ANALOG DEVICES ADUM2200 English products handbook Rev C
Contents
1. COMPLIANT TO JEDEC STANDARDS MS 013 AA CONTROLLING DIMENSIONS ARE IN MILLIMETERS INCH DIMENSIONS IN PARENTHESES ARE ROUNDED OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN Figure 19 16 Lead Standard Small Outline Package SOIC_W Wide Body RW 16 Dimensions shown in millimeters and inches 03 27 2007 B 13 00 0 5118 12 60 0 4961 16 9 t 7 60 0 2992 7 40 0 2913 a 5 10 65 0 4193 10 00 0 3937 o 0 75 0 0295 2 65 0 1043 j 7 0 25 0 0098 5 0 30 0 0118 2 35 0 0925 _ 0 10 0 0039 4 H eq COPLANARITY L 0 10 to ell N searine 4 ak 0 6500 0 51 0 0201 PLANE 0 33 0 0130 1 27 0 0500 BSC 0 31 0 0122 0 20 0 0079 0 40 0 0157 COMPLIANT TO JEDEC STANDARDS MS 013 AC CONTROLLING DIMENSIONS ARE IN MILLIMETERS INCH DIMENSIONS IN PARENTHESES ARE ROUNDED OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN Figure 20 16 Lead Standard Small Outline Package with Increased Creepage SOIC_IC Wide Body RI 16 1 Dimensions shown in millimeters and inches 10 12 2010 A ORDERING GUIDE Number Number Maximum Maximum Maximum of Inputs of Inputs Data Rate Propagation Pulse Width Temperature Package Model Voo Side Voo Side Mbps Delay 5 V ns Distortion ns Range Package Description Option ADuM2200ARWZ 2 0 1 150 402. BR Grade Only Von Supply Current Ipp1 10 3 5 4 6 mA 5 MHz logic signal frequency Voo2 Supply Current Ipp2 10 1 7 2 8 mA 5 MHz logic signal frequency ADuM2201 Total Supply Current Two Channels DC to 2 Mbps Von Supply Current Ipp1 Q 1 1 1 5 mA DC to 1 MHz logic signal frequency Voo2 Supply Current Ipp2 Q 1 3 1 8 mA DC to 1 MHz logic signal frequency 10 Mbps BR Grade Only Von Supply Current Ipp1 10 2 6 3 4 mA 5 MHz logic signal frequency Voo2 Supply Current Ipp2 10 3 1 4 0 mA 5 MHz logic signal frequency For All Models Input Currents lia lig 10 0 01 10 uA OV lt Via Ve lt Von or Vop2 Logic High Input Threshold Vin 0 7 Vop1 V or Vop2 Logic Low Input Threshold Vit 0 3 Voo V or Von2 Logic High Output Voltages VoaH Voo or 5 0 V lox 20 pA Vix Vixw Vop2 0 1 VosH Voo or 4 8 V lox 4 MA Vix VixH Vop2 0 5 Logic Low Output Voltages Voar 0 0 0 1 V lox 20 pA Vix Vit Vos 0 04 0 1 Vv lox 400 HA Vix Vict 0 2 0 4 V lox 4 MA Vix Vix SWITCHING SPECIFICATIONS ADuM220xAR Minimum Pulse Width PW 1000 ns C 15 pF CMOS signal levels Maximum Data Rate 1 Mbps C 15 pF CMOS signal levels Propagation Delay tent teLH 20 150 ns C 15 pF CMOS signal levels Pulse Width Distortion tpn tex gt PWD 40 ns C 15 pF CMOS signal levels Propagation Delay Skew tesk 100 ns C 15 pF CMOS signal levels Channel to Channel Matching teskcp teskop 50 ns C 15 pF CMOS signal levels Outpu
3. DC to 2 Mbps Von Supply Current lpi 0 8 1 3 mA DC to 1 MHz logic signal frequency Voo2 Supply Current lpp2 0 0 7 1 0 mA DC to 1 MHz logic signal frequency 10 Mbps BR Grade Only Von Supply Current loD1 10 2 0 3 2 mA 5 MHz logic signal frequency Voo2 Supply Current lpp2 10 1 1 1 7 mA 5 MHz logic signal frequency ADuM2201 Total Supply Current Two Channels DC to 2 Mbps Von Supply Current lpi 0 7 1 3 mA DC to 1 MHz logic signal frequency Voo2 Supply Current lpp2 0 0 8 1 6 mA DC to 1 MHz logic signal frequency 10 Mbps BR Grade Only Voo Supply Current loD1 10 1 5 2 1 mA 5 MHz logic signal frequency Voo2 Supply Current loD2 10 1 9 2 4 mA 5 MHz logic signal frequency For All Models Input Currents lia lig 10 0 01 10 yA OV lt Va Vis lt Von Or Vop2 Logic High Input Threshold Vin 0 7 Von V or Voo2 Logic Low Input Threshold Vit 0 3 Vooi V or Vpp2 Logic High Output Voltages Voan Voo or 3 0 V lox 20 pA Vix VH Vop2 0 1 VosH Von or 2 8 V lox 4 MA Vix VixH Vop2 0 5 Logic Low Output Voltages Voat 0 0 0 1 V lox 20 pA Vix Vict VosL 0 04 0 1 V lox 400 pA Vix Vix 0 2 0 4 V lox 4 MA Vix Vix SWITCHING SPECIFICATIONS ADuM220xAR Minimum Pulse Width PW 1000 ns C 15 pF CMOS signal levels Maximum Data Rate 1 Mbps C 15 pF CMOS signal levels Propagation Delay teri tPLH 20 150 ns C 15 pF CMOS signal levels Pulse Width Distortion ten tex gt PWD 40 ns C 15
4. IC Junction to Case Thermal Resistance Side 2 Osco 28 C W center of package underside 1 Device considered a 2 terminal device Pin 1 through Pin 8 are shorted together and Pin 9 through Pin 16 are shorted together Input capacitance is from any input data pin to ground REGULATORY INFORMATION The ADuM220x are approved by the organizations listed in Table 5 Refer to Table 10 and the Insulation Lifetime section for details regarding recommended maximum working voltages for specific cross isolation waveforms and insulation levels Table 5 UL CSA VDE Recognized under 1577 Component Approved under CSA Component Certified according to DIN V VDE V 0884 10 VDE V Recognition Program Acceptance Notice 5A 0884 10 2006 12 Single Protection Basic insulation per CSA 60950 1 07 and IEC Reinforced insulation 846 V peak 5000 V rms Isolation Voltage 60950 1 600 V rms 848 V peak maximum working voltage RW 16 package Reinforced insulation per CSA 60950 1 07 and IEC 60950 1 380 V rms 537 V peak maximum working voltage reinforced insulation per IEC 60601 1 125 V rms 176 V peak maximum working voltage RI 16 package Reinforced insulation per CSA 60950 1 07 and IEC 60950 1 400 V rms 565 V peak maximum working voltage reinforced insulation per IEC 60601 1 250 V rms 353 V peak maximum working voltage File E214100 File 205078 File 2471900 4880 0001 1 In accordance with UL1577 each ADuM220x is proof test
5. Initial Version Absolute Maximum Ratings ssesesessesseseeseeseeseeseeneeneeseess 12 ESD Cauntiotieseosc ccscscecscsesseessiscbsacss steseidestescdiestasesoostecsieendsocteeazes 12 Pin Configurations and Function Descriptions 13 Typical Performance Characteristics cscseseessesesssesseeseene 15 Applications Information cccsessessesesseesessessseessessesstesseeseess 16 PGB TAayOut iiei theese isto EE 16 Propagation Delay Related Parameters cscesessesseseeees 16 DC Correctness and Magnetic Field Immunity 16 Power CONSUMPTION iiir raa aans 17 Insulation Lifetimenysrin a a E ERa 18 Outline Dimensions si a a r E EENE 19 Ordering Guid Hisis asiani iinis 19 Rev C Page 2 of 20 ADuM2200 ADuM2201 SPECIFICATIONS ELECTRICAL CHARACTERISTICS 5 V OPERATION 4 5 V lt Von lt 5 5 V 4 5 V lt Vom lt 5 5 V All minimum maximum specifications apply over the entire recommended operation range unless otherwise noted All typical specifications are at Ta 25 C Von Vom 5 V Table 1 Parameter Symbol Min Typ Max Unit Test Conditions DC SPECIFICATIONS Input Supply Current per Channel Quiescent Ip o 0 4 0 8 mA Output Supply Current per Channel Quiescent Ippo 0 5 0 6 mA ADuM2200 Total Supply Current Two Channels DC to 2 Mbps Voo Supply Current Ipp1 Q 1 3 1 7 mA DC to 1 MHz logic signal frequency Voo2 Supply Current Ipp2 Q 1 0 1 6 mA DC to 1 MHz logic signal frequency 10 Mbps
6. Ionor fs 0 5f Ibni Inpro X 2f fr Ionor f gt 0 5f For each output channel the supply current is given by Ippo Ippo fs 0 5f Ippo Ippo 0 5 x 10 x Cx x Vnpo x 2f fr Inno f gt 0 5f where Inni Ippo w are the input and output dynamic supply currents per channel mA Mbps C is the output load capacitance pF Vopo is the output supply voltage V fis the input logic signal frequency MHz half of the input data rate NRZ signaling fris the input stage refresh rate Mbps Ibni Inno are the specified input and output quiescent supply currents mA To calculate the total Inn and Ipm2 the supply currents for each input and output channel corresponding to Inn and Ipp2 are calculated and totaled Figure 6 and Figure 7 provide per channel supply currents as a function of data rate for an unloaded output condition Figure 8 provides per channel supply current as a function of data rate for a 15 pF output condition Figure 9 through Figure 11 provide total Inn and Inp2 as a function of data rate for ADuM2200 ADuM2201 channel configurations Rev C Page 17 of 20 ADuM2200 ADuM2201 INSULATION LIFETIME All insulation structures eventually break down when subjected to voltage stress over a sufficiently long period The rate of insulation degradation is dependent on the characteristics of the voltage waveform applied across the insulation In addition to the testing performed by the
7. 3 0 V Vom 5 V or Von 5 V Vom 3 0 V Table 3 Parameter Symbol Min Typ Max Unit Test Conditions DC SPECIFICATIONS Input Supply Current per Channel Quiescent IDDI 0 5 V 3 V Operation 0 4 0 8 mA 3 V 5 V Operation 0 3 0 5 mA Output Supply Current per Channel Quiescent Ipp0 5 V 3 V Operation 0 3 0 5 mA 3 V 5 V Operation 0 5 0 6 mA ADuM2200 Total Supply Current Two Channels DC to 2 Mbps Voo Supply Current Ipp1 0 5 V 3 V Operation 1 3 1 7 mA DC to 1 MHz logic signal frequency 3 V 5 V Operation 0 8 1 3 mA DC to 1 MHz logic signal frequency Vop2 Supply Current Ipp2 5 V 3 V Operation 0 7 1 0 mA DC to 1 MHz logic signal frequency 3 V 5 V Operation 1 0 1 6 mA DC to 1 MHz logic signal frequency 10 Mbps BR Grade Only Voo Supply Current Ipp1 10 5 V 3 V Operation 3 5 4 6 mA 5 MHz logic signal frequency 3 V 5 V Operation 2 0 3 2 mA 5 MHz logic signal frequency Vop2 Supply Current Ipp2 10 5 V 3 V Operation 1 1 1 7 mA 5 MHz logic signal frequency 3 V 5 V Operation 1 7 2 8 mA 5 MHz logic signal frequency ADuM2201 Total Supply Current Two Channels DC to 2 Mbps Voo Supply Current Ipp1 0 5 V 3 V Operation 1 1 1 5 mA DC to 1 MHz logic signal frequency 3 V 5 V Operation 0 7 1 3 mA DC to 1 MHz logic signal frequency Vop2 Supply Current Ipp2 0 5 V 3 V Operation 0 8 1 6 mA DC to 1 MHz logic signal frequency 3 V 5 V Operation 1 3 1 8 mA DC to 1 MHz logic signal frequency 10 Mbps BR Grade Only Voo
8. 40 C to 105 C 16 Lead SOIC_W RW 16 ADuM2200BRWZ 2 0 10 50 3 40 C to 105 C 16 Lead SOIC_W RW 16 ADuM2200ARIZ 2 0 1 150 40 40 C to 105 C 16 Lead SOIC_IC RI 16 1 ADuM2200BRIZ 2 0 10 50 3 40 C to 105 C 16 Lead SOIC_IC RI 16 1 ADuM2201ARWZ 1 1 1 150 40 40 C to 105 C 16 Lead SOIC_W RW 16 ADuM2201BRWZ 1 1 10 50 3 40 C to 105 C 16 Lead SOIC_W RW 16 ADuM2201ARIZ 1 1 1 150 40 40 C to 105 C 16 Lead SOIC_IC RI 16 1 ADuM2201BRIZ 1 1 10 50 3 40 C to 105 C 16 Lead SOIC_IC RI 16 1 1 Z RoHS Compliant Part Tape and reel is available The addition of an RL suffix designates a 13 1 000 units tape and reel option Rev C Page 19 of 20 ADuM2200 ADuM2201 NOTES 2008 2012 Analog Devices Inc All rights reserved Trademarks and ANALOG registered trademarks are the property of their respective owners D07235 0 3 12 C DEVICES www analo g com Rev C Page 20 of 20
9. Supply Current Ipp1 10 5 V 3 V Operation 2 6 3 4 mA 5 MHz logic signal frequency 3 V 5 V Operation 1 5 2 1 mA 5 MHz logic signal frequency Vop2 Supply Current Ipp2 10 5 V 3 V Operation 1 9 2 4 mA 5 MHz logic signal frequency 3 V 5 V Operation 3 1 4 0 mA 5 MHz logic signal frequency Rev C Page 7 of 20 ADuM2200 ADuM2201 Parameter Symbol Min Typ Max Unit Test Conditions For All Models Input Currents lia lig 10 0 01 10 uA OV lt Via Vie lt Von OF Vop2 Logic High Input Threshold Vin 0 7 Von V or Vop2 Logic Low Input Threshold Vit 0 3 V Voo or Vop2 Logic High Output Voltages Voan VosH Voo or Voo or V lox 20 PA Vix VixH Vop2 0 1 Voo2 Voo or Voo or V lox 4 MA Vix Vixn Voo2 0 5 Voo 0 2 Logic Low Output Voltages Voar Vost 0 0 0 1 V lox 20 pA Vix Vict 0 04 0 1 V lox 400 pA Vix View 0 2 0 4 V lox 4 MA Vix Vix SWITCHING SPECIFICATIONS ADuM220xAR Minimum Pulse Width PW 1000 ns C 15 pF CMOS signal levels Maximum Data Rate 1 Mbps C 15 pF CMOS signal levels Propagation Delay tent teLH 15 150 ns C 15 pF CMOS signal levels Pulse Width Distortion tpn tex gt PWD 40 ns C 15 pF CMOS signal levels Propagation Delay Skew tesk 50 ns C 15 pF CMOS signal levels Channel to Channel Matching teskcp teskop 50 ns C 15 pF CMOS signal levels Output Rise Fall Time 10 to 90 tr te 10 ns C 15 pF CMOS signal levels ADuM220xBR Mi
10. pF CMOS signal levels Propagation Delay Skew tesk 100 ns C 15 pF CMOS signal levels Channel to Channel Matching teskco teskop 50 ns C 15 pF CMOS signal levels Output Rise Fall Time 10 to 90 tr tF 10 ns C 15 pF CMOS signal levels Rev C Page 5 of 20 ADuM2200 ADuM2201 Parameter Symbol Min Typ Max Unit Test Conditions ADuM220xBR Minimum Pulse Width PW 100 ns C 15 pF CMOS signal levels Maximum Data Rate 10 Mbps C 15 pF CMOS signal levels Propagation Delay teri teLH 20 60 ns C 15 pF CMOS signal levels Pulse Width Distortion teun texi PWD 3 ns C 15 pF CMOS signal levels Change vs Temperature 5 ps C C 15 pF CMOS signal levels Propagation Delay Skew tesk 22 ns C 15 pF CMOS signal levels Channel to Channel Matching teskcp 3 ns C 15 pF CMOS signal levels Codirectional Channels Channel to Channel Matching teskop 22 ns C 15 pF CMOS signal levels Opposing Directional Channels Output Rise Fall Time 10 to 90 tr tF 3 0 ns C 15 pF CMOS signal levels For All Models Common Mode Transient Immunity CMH 25 35 kV us Vix Von Or Voo2 Vem 1000 V at Logic High Output transient magnitude 800 V Common Mode Transient Immunity CMi 25 35 kV us Vx OV Vem 1000 V at Logic Low Output transient magnitude 800 V Refresh Rate fr 1 1 Mbps Input Dynamic Supply Current per Channel loni 0 0 10 mA Mbps Output Dynamic Supply Current per Ippo 0 0 03 mA Mbps
11. regulatory agencies Analog Devices carries out an extensive set of evaluations to determine the lifetime of the insulation structure within the ADuM220x Analog Devices performs accelerated life testing using voltage levels higher than the rated continuous working voltage Accel eration factors for several operating conditions are determined These factors allow calculation of the time to failure at the actual working voltage The values shown in Table 10 summarize the peak voltage for 50 years of service life for a bipolar ac operating condition and the maximum CSA VDE approved working volt ages In many cases the approved working voltage is higher than 50 year service life voltage Operation at these high working voltages can lead to shortened insulation life in some cases The insulation lifetime of the ADuM220x depends on the voltage waveform type imposed across the isolation barrier The iCoupler insulation structure degrades at different rates depending on whether the waveform is bipolar ac unipolar ac or dc Figure 16 Figure 17 and Figure 18 illustrate these different isolation voltage waveforms Bipolar ac voltage is the most stringent environment The goal of a 50 year operating lifetime under the ac bipolar condition determines the Analog Devices recommended maximum working voltage In the case of unipolar ac or dc voltage the stress on the insulation is significantly lower This allows operation at higher working voltages
12. voltages are relative to their respective ground y Without detection A lenougny Wiles produc features patented or proprietary protection circuitry damage Vooi and Vovo refer to the supply voltages on the input and output sides of a i A may occur on devices subjected to high energy ESD given channel respectively See the PCB Layout section 3 See Figure 3 for maximum rated current values for various temperatures ae a A abo it eee Henao 4 Refers to common mode transients across the insulation barrier Common mode transients exceeding the Absolute Maximum Rating can cause latch up or permanent damage Table 10 Maximum Continuous Working Voltage Parameter Max Unit Constraint AC Voltage Bipolar Waveform 565 V peak 50 year minimum lifetime AC Voltage Unipolar Waveform Reinforced Insulation 846 V peak Maximum approved working voltage per IEC 60950 1 and VDE V 0884 10 DC Voltage Reinforced Insulation 846 V peak Maximum approved working voltage per IEC 60950 1 and VDE V 0884 10 1 Refers to continuous voltage magnitude imposed across the isolation barrier See the Insulation Lifetime section for more details Table 11 ADuM2200 Truth Table Positive Logic Via input Vislnput Von State Vop2 State Voa Output Vos Output Notes H H Powered Powered H H L L Powered Powered L L H L Powered Powered H L L H Powered Powered L H X X Unpowered Powered H H Outputs return to
13. while still achieving a 50 year service life The working voltages listed in Table 10 can be applied while main taining the 50 year minimum lifetime provided the voltage conforms to either the unipolar ac or dc voltage cases Any cross insulation voltage waveform that does not conform to Figure 17 or Figure 18 should be treated as a bipolar ac waveform and its peak voltage should be limited to the 50 year lifetime voltage value listed in Table 10 Note that the voltage presented in Figure 17 is shown as sinusoidal for illustration purposes only It is meant to represent any voltage waveform varying between 0 V and some limiting value The limiting value can be positive or negative but the voltage cannot cross 0 V RATED PEAK VOLTAGE SAS Figure 16 Bipolar AC Waveform 07235 021 RATED PEAK VOLTAGE PREI Figure 17 Unipolar AC Waveform 07235 022 RATED PEAK VOLTAGE 07235 023 ov Figure 18 DC Waveform Rev C Page 18 of 20 ADuM2200 ADuM2201 OUTLINE DIMENSIONS 10 50 0 4134 10 10 0 3976 16 7 60 0 2992 7 40 0 2913 4 10 65 0 4193 10 00 0 3937 Huo EB EB 1 27 0 0500 a 0 75 0 0295 4 BSC 2 65 0 1043 ll 0 25 0 0098 0 30 0 0118 2 35 0 0925 a 0 10 0 0039 J TTT TTT TY COPLANARITY 4 gt l e y elle 0 10 0 51 0 0201 a SAUNG 0 33 0 0130 1 27 0 0500 0 31 0 0122 0 20 0 0079 0 40 0 0157
14. 69 Parameter Symbol Min Max Unit w Operating Temperature Ta 40 105 C 5 200 Supply Voltages Von1 Voo2 3 0 55 V S Input Signal Rise and Fall Times 1 0 ms E 150 J 1 All voltages are relative to their respective ground Z 100 50 X 2 K 50 100 150 200 CASE TEMPERATURE C Figure 3 Thermal Derating Curve Dependence of Safety Limiting Values with Case Temperature per DIN V VDE V 0884 10 Rev C Page 11 of 20 ADuM2200 ADuM2201 ABSOLUTE MAXIMUM RATINGS Table 9 Stresses above those listed under Absolute Maximum Ratings Parameter Rating may cause permanent damage to the device This is a stress Storage Temperature Tst 65 C to 150 C rating only functional operation of the device at these or any Ambient Operating Temperature Ta 40 C to 105 C other conditions above those indicated in the operational Supply Voltage Voo1 Von2 0 5 V to 7 0V section of this specification is not implied Exposure to absolute Input Voltage Via Vis Vic Vio Ver Ve2 2 0 5 V to Vooi 0 5 V maximum rating conditions for extended periods may affect Output Voltage Voa Vos Voc Von 0 5 V to Vooo 0 5 V device reliability Average Output Current per Pin Side 1 lo1 18 mA to 18 mA Side 2 loz 22 mA to 22 mA ESD CAUTION Common Mode Transients4 100 kV us to 100 kV us ESD electrostatic discharge sensitive device Charged devices and circuit boards can discharge 1 All
15. ANALOG DEVICES Dual Channel Digital Isolators 5 kV ADuM2200 ADuM2201 FEATURES High isolation voltage 5000 V rms Enhanced system level ESD performance per IEC 61000 4 x Low power operation 5 V operation 1 6 mA per channel maximum 0 Mbps to 2 Mbps 3 7 mA per channel maximum 10 Mbps 3 V operation 1 4 mA per channel maximum 0 Mbps to 2 Mbps 2 4 mA per channel maximum 10 Mbps Bidirectional communication 3 V 5 V level translation High temperature operation 105 C High data rate dc to 10 Mbps NRZ Precise timing characteristics 3 ns maximum pulse width distortion 3 ns maximum channel to channel matching High common mode transient immunity gt 25 kV ps 16 lead SOIC wide body package version RW 16 16 lead SOIC wide body enhanced creepage version RI 16 Safety and regulatory approvals RI 16 package UL recognition 5000 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A IEC 60601 1 250 V rms reinforced IEC 60950 1 400 V rms reinforced VDE Certificate of Conformity DIN V VDE V 0884 10 VDE V 0884 10 2006 12 Viorm 846 V peak APPLICATIONS General purpose high voltage multichannel isolation Medical equipment Power supplies RS 232 RS 422 RS 485 transceiver isolation GENERAL DESCRIPTION The ADuM220x are 2 channel digital isolators based on Analog Devices Inc iCoupler technology Combining high speed CMOS and monolithic air core transformer technology these isolation components pr
16. C No internal connection 11 NC No internal connection 12 Vos Logic Output B 13 Voa Logic Output A 14 Vov2 Supply Voltage for Isolator Side 2 3 0 V to 5 5 V 15 NC No internal connection 16 GND2 Ground 2 Ground reference for Isolator Side 2 Rev C Page 13 of 20 ADuM2200 ADuM2201 GND 7 6 GND nc 2 75 NC Voor L2 4Dum2201 4 Yoo VoaL4 top view 3 Via Vip 5 Not to Scale 12 Vog 07235 005 NC NO CONNECT NOTES 1 PIN 1 AND PIN 7 ARE INTERNALLY CONNECTED AND CONNECTING BOTH TO GND IS RECOMMENDED 2 PIN 9 AND PIN 16 ARE INTERNALLY CONNECTED AND CONNECTING BOTH TO GND IS RECOMMENDED Figure 5 ADuM2201 Pin Configuration Table 14 ADuM2201 Pin Function Descriptions Pin No Mnemonic Description 1 GND Ground 1 Ground reference for Isolator Side 1 2 NC No internal connection 3 Von Supply Voltage for Isolator Side 1 3 0 V to 5 5 V 4 Voa Logic Output A 5 Vis Logic Input B 6 NC No internal connection 7 GND Ground 1 Ground reference for Isolator Side 1 8 NC No internal connection 9 GND Ground 2 Ground reference for Isolator Side 2 10 NC No internal connection 11 NC No internal connection 12 Vos Logic Output B 13 Via Logic Input A 14 Vop2 Supply Voltage for Isolator Side 2 3 0 V to 5 5 V 15 NC No internal connection 16 GND Ground 2 Ground reference for Isolator Side 2 Rev C Page 14 of 20 ADuM2200 ADuM2201 TY
17. Channel 1 All voltages are relative to their respective ground The supply current values for both channels are combined when running at identical data rates Output supply current values are specified with no output load present The supply current associated with an individual channel operating at a given data rate can be calculated as described in the Power Consumption section See Figure 6 through Figure 8 for information on per channel supply current as a function of data rate for unloaded and loaded conditions See Figure 9 through Figure 11 for total loo and looz supply currents as a function of data rate for ADUM2200 and ADuM2201 channel configurations 3 The minimum pulse width is the shortest pulse width at which the specified pulse width distortion is guaranteed 4 The maximum data rate is the fastest data rate at which the specified pulse width distortion is guaranteed 5 tex propagation delay is measured from the 50 level of the falling edge of the Vix signal to the 50 level of the falling edge of the Vox signal teun propagation delay is measured from the 50 level of the rising edge of the Vy signal to the 50 level of the rising edge of the Vox signal 5 tesx is the magnitude of the worst case difference in tex and or tpn that is measured between units at the same operating temperature supply voltages and output load within the recommended operating conditions 7 Codirectional channel to channel matching is the abso
18. PICAL PERFORMANCE CHARACTERISTICS 10 20 15 lt E l 6 per 5 10 8 a ee E 4 T u Y 5 5V 5 5 idl 5 bea e 0 p 0 eee z 0 10 20 30 8 0 10 20 30 DATA RATE Mbps X DATA RATE Mbps 8 Figure 6 Typical Input Supply Current per Channel vs Data Rate Figure 9 Typical ADUM2200 Vov Supply Current vs Data Rate for 5 Vand 3 V Operation No Output Load for 5 V and 3 V Operation 4 4 ox 3 3 Fa T E l Es 2 5 2 4 3 5 a 5V 3 5 4 1 0 10 20 30 3 0 10 20 30 DATA RATE Mbps 8 DATA RATE Mbps Figure 7 Typical Output Supply Current per Channel vs Data Rate Figure 10 Typical ADUM2200 Vop2 Supply Current vs Data Rate for 5 Vand 3 V Operation No Output Load for 5 Vand 3 V Operation 4 10 i De 3 T E rT z 6 3 i 5 guoa f 3 ir S 4 a 0 10 20 30 3 0 10 20 30 5 DATA RATE Mbps X DATA RATE Mbps Figure 8 Typical Output Supply Current per Channel vs Data Rate Figure 11 Typical ADUM2201 Von or Vop2 Supply Current vs Data Rate for 5 Vand 3 V Operation 15 pF Output Load for 5 V and 3 V Operation Rev C Page 15 of 20 ADuM2200 ADuM2201 APPLICATIONS INFORMATION PCB LAYOUT The ADuM220x digital isolator requires no external interface circuitry for the logic interfaces Power supply bypassing is strongly recommended at the input and output supply pins see Figure 12 Bypass capacitors are most conveniently connected between Pin 1 a
19. can occur The 3 V operating condition of the ADuM220x is examined because it represents the most suscep tible mode of operation The pulses at the transformer output have an amplitude greater than 1 0 V The decoder has a sensing threshold at about 0 5 V therefore establishing a 0 5 V margin in which induced voltages can be tolerated The voltage induced across the receiving coil is given by V dhp dt Enr n 1 2 N where f is the magnetic flux density gauss N is the number of turns in the receiving coil fn is the radius of the n turn in the receiving coil cm Given the geometry of the receiving coil in the ADuM220x and an imposed requirement that the induced voltage be at most 50 of the 0 5 V margin at the decoder a maximum allowable magnetic field is calculated as shown in Figure 14 100 10 o a DENSITY kgauss 0 01 MAXIMUM ALLOWABLE MAGNETIC FLUX 0 001 1k 10k 100k 1M 10M 100M MAGNETIC FIELD FREQUENCY Hz 07235 019 Figure 14 Maximum Allowable External Magnetic Flux Density Rev C Page 16 of 20 ADuM2200 ADuM2201 For example at a magnetic field frequency of 1 MHz the maximum allowable magnetic field of 0 2 kgauss induces a voltage of 0 25 V at the receiving coil This is about 50 of the sensing threshold and does not cause a faulty output transition Similarly if such an event were to occur during a transmitted pulse and was of the worst case polarity it w
20. ed by applying an insulation test voltage gt 6000 V rms for 1 second current leakage detection limit 10 pA 2 In accordance with DIN V VDE V 0884 10 each ADuM220x is proof tested by applying an insulation test voltage gt 1590 V peak for 1 sec partial discharge detection limit 5 pC The marking branded on the component designates DIN V VDE V 0884 10 approval INSULATION AND SAFETY RELATED SPECIFICATIONS Table 6 Parameter Symbol Value Unit Conditions Rated Dielectric Insulation Voltage 5000 Vrms 1 minute duration Minimum External Air Gap L 101 8 0 min mm Distance measured from input terminals to output terminals shortest distance through air along the PCB mounting plane as an aid to PC board layout Minimum External Tracking Creepage RW 16 Package L I02 7 7 min mm Measured from input terminals to output terminals shortest distance path along body Minimum External Tracking Creepage RI 16 Package L 102 8 3 min mm Measured from input terminals to output terminals shortest distance path along body Minimum Internal Gap Internal Clearance 0 017 min mm Insulation distance through insulation Tracking Resistance Comparative Tracking Index CTI gt 175 V DIN IEC 112 VDE 0303 Part 1 Isolation Group llla Material Group DIN VDE 0110 1 89 Table 1 Rev C Page 10 of 20 ADuM2200 ADuM2201 DIN V VDE V 0884 10 VDE V 0884 10 INSULATION CHARACTERISTICS These isolators are suitable for reinf
21. el 5 V 3 V Operation 0 03 mA Mbps 3 V 5 V Operation 0 05 mA Mbps 1 All voltages are relative to their respective ground 2 The supply current values for both channels are combined when running at identical data rates Output supply current values are specified with no output load present The supply current associated with an individual channel operating at a given data rate can be calculated as described in the Power Consumption section See Figure 6 through Figure 8 for information on per channel supply current as a function of data rate for unloaded and loaded conditions See Figure 9 through Figure 11 for total loo and looz supply currents as a function of data rate for ADUM2200 and ADuM2201 channel configurations 3 The minimum pulse width is the shortest pulse width at which the specified pulse width distortion is guaranteed 4 The maximum data rate is the fastest data rate at which the specified pulse width distortion is guaranteed gt tex propagation delay is measured from the 50 level of the falling edge of the Vix signal to the 50 level of the falling edge of the Vox signal teun propagation delay is measured from the 50 level of the rising edge of the Vy signal to the 50 level of the rising edge of the Vox signal tesx is the magnitude of the worst case difference in tex and or tpn that is measured between units at the same operating temperature supply voltages and output load within the recommended operating condit
22. ions 7 Codirectional channel to channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on the same side of the isolation barrier Opposing directional channel to channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposing sides of the isolation barrier 8 CMu is the maximum common mode voltage slew rate that can be sustained while maintaining Vo gt 0 8 Von2 CML is the maximum common mode voltage slew rate that can be sustained while maintaining Vo lt 0 8 V The common mode voltage slew rates apply to both rising and falling common mode voltage edges The transient magnitude is the range over which the common mode is slewed Dynamic supply current is the incremental amount of supply current required for a 1 Mbps increase in the signal data rate See Figure 6 through Figure 8 for information on per channel supply current for unloaded and loaded conditions See the Power Consumption section for guidance on calculating per channel supply current for a given data rate Rev C Page 9 of 20 ADuM2200 ADuM2201 PACKAGE CHARACTERISTICS Table 4 Parameter Symbol Min Typ Max Unit Test Conditions Resistance Input to Output Ri o 10 Q Capacitance Input to Output Cro 2 2 pF f 1MHz Input Capacitance Ci 4 0 pF IC Junction to Case Thermal Resistance Side 1 Oa 33 C W Thermocouple located at
23. l data rates Output supply current values are specified with no output load present The supply current associated with an individual channel operating at a given data rate can be calculated as described in the Power Consumption section See Figure 6 through Figure 8 for information on per channel supply current as a function of data rate for unloaded and loaded conditions See Figure 9 through Figure 11 for total lop and lpp2 supply currents as a function of data rate for ADUM2200 and ADuM2201 channel configurations 3 The minimum pulse width is the shortest pulse width at which the specified pulse width distortion is guaranteed 4The maximum data rate is the fastest data rate at which the specified pulse width distortion is guaranteed gt tex propagation delay is measured from the 50 level of the falling edge of the Vix signal to the 50 level of the falling edge of the Vox signal teun propagation delay is measured from the 50 level of the rising edge of the V signal to the 50 level of the rising edge of the Vox signal 5 tesx is the magnitude of the worst case difference in tex and or te that is measured between units at the same operating temperature supply voltages and output load within the recommended operating conditions 7 Codirectional channel to channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on the same side of the isolation barrier Opposing directional channel to cha
24. lators contain various circuit and layout enhancements to provide increased capability relative to system level IEC 61000 4 x testing ESD burst and surge The precise capability in these tests for either the ADuM320x or ADuM220x products is strongly determined by the design and layout of the user s board or module For more information see the AN 793 Application Note ESD Latch Up Considerations with iCoupler Isolation Products 1 Protected by U S Patents 5 952 849 6 873 065 6 903 578 and 7 075 329 Other patents pending Rev C Information furnished by Analog Devices is believed to be accurate and reliable However no responsibility is assumed by Analog Devices for its use nor for any infringements of patents or other rights of third parties that may result from its use Specifications subject to change without notice No license is granted by implication or otherwise under any patent or patent rights of Analog Devices Trademarks and registered trademarks are the property of their respective owners One Technology Way P O Box 9106 Norwood MA 02062 9106 U S A Tel 781 329 4700 www analog com Fax 781 461 3113 2008 2012 Analog Devices Inc All rights reserved ADuM2200 ADuM2201 TABLE OF CONTENTS Features nroa Ei eR i aceasta esa eac eect ee ereosi tes 1 APPLICATIONS tersusisisssessssssssssssnsioscsieiansSt ssnnnses stnsuss odbrsassnnknscasstaneaseutee 1 General Descriptio iinis s a R a SE 1 Functional Block Diag
25. lute value of the difference in propagation delays between any two channels with inputs on the same side of the isolation barrier Opposing directional channel to channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposing sides of the isolation barrier 8 CMa is the maximum common mode voltage slew rate that can be sustained while maintaining Vo gt 0 8 Vop2 CML is the maximum common mode voltage slew rate that can be sustained while maintaining Vo lt 0 8 V The common mode voltage slew rates apply to both rising and falling common mode voltage edges The transient magnitude is the range over which the common mode is slewed Dynamic supply current is the incremental amount of supply current required for a 1 Mbps increase in the signal data rate See Figure 6 through Figure 8 for information on per channel supply current for unloaded and loaded conditions See the Power Consumption section for guidance on calculating per channel supply current for a given data rate Rev C Page 6 of 20 ADuM2200 ADuM2201 ELECTRICAL CHARACTERISTICS MIXED 5 V 3 V OR 3 V 5 V OPERATION 5 V 3 V operation 4 5 V lt Vpn lt 5 5 V 3 0 V lt Vpr lt 3 6 V 3 V 5 V operation 3 0 V lt Vom lt 3 6 V 4 5 V lt Vom lt 5 5 V All minimum maximum specifications apply over the entire recommended operation range unless otherwise noted All typical specifications are at Ta 25 C Von
26. nd Pin 3 for Vpn and between Pin 14 and Pin 16 for Vom The capacitor value should be between 0 01 uF and 0 1 uF The total lead length between both ends of the capacitor and the input power supply pin should not exceed 20 mm Bypassing between Pin 3 and Pin 7 and between Pin 9 and Pin 14 should be considered unless the ground pair on each package side are connected close to the package GND GND NC NC Vpp1 Vpp2 Via Voa Voa Via Vip Vos NC NC GND Nc S NC GND gx S Figure 12 Recommended Printed Circuit Board Layout In applications involving high common mode transients care should be taken to ensure that board coupling across the isolation barrier is minimized Furthermore the board layout should be designed such that any coupling that does occur equally affects all pins on a given component side Failure to ensure this could cause voltage differentials between pins exceeding the devices Absolute Maximum Ratings thereby leading to latch up or permanent damage See the AN 1109 Application Note for board layout guidelines PROPAGATION DELAY RELATED PARAMETERS Propagation delay is a parameter that describes the length of time it takes for a logic signal to propagate through a compo nent The propagation delay to a logic low output can differ from the propagation delay to logic high INPUT Vp 4 2 22 ne nen eee ee OUTPUT Vow afea ete ek 07235 018 Figure 13 Propagation Delay Parameters Pulse
27. nimum Pulse Width PW 100 ns C 15 pF CMOS signal levels Maximum Data Rate 10 Mbps C 15 pF CMOS signal levels Propagation Delay tent teLH 15 55 ns C 15 pF CMOS signal levels Pulse Width Distortion teun tex gt PWD 3 ns C 15 pF CMOS signal levels Change vs Temperature 5 ps C C 15 pF CMOS signal levels Propagation Delay Skew tesk 22 ns C 15 pF CMOS signal levels Channel to Channel Matching teskcp 3 ns C 15 pF CMOS signal levels Codirectional Channels Channel to Channel Matching teskop 22 ns C 15 pF CMOS signal levels Opposing Directional Channels Output Rise Fall Time 10 to 90 tr te 5 V 3 V Operation 3 0 ns C 15 pF CMOS signal levels 3 V 5 V Operation 2 5 ns C 15 pF CMOS signal levels 5 V 3 V Operation 3 0 ns C 15 pF CMOS signal levels 3 V 5 V Operation 2 5 ns C 15 pF CMOS signal levels For All Models Common Mode Transient Immunity CMH 25 35 kV us Vix Von Or Vopz Vem 1000 V at Logic High Output transient magnitude 800 V Common Mode Transient Immunity CMi 25 35 kV us Vx OV Vcm 1000 V at Logic Low Output transient magnitude 800 V Refresh Rate fr 5 V 3 V Operation 1 2 Mbps 3 V 5 V Operation 1 1 Mbps Input Dynamic Supply Current Ipp1 0 per Channel 5 V 3 V Operation 0 19 mA Mbps 3 V 5 V Operation 0 10 mA Mbps Rev C Page 8 of 20 ADuM2200 ADuM2201 Parameter Symbol Min Typ Max Unit Test Conditions Output Dynamic Supply Current Ippo D per Chann
28. nnel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposing sides of the isolation barrier 8 CMu is the maximum common mode voltage slew rate that can be sustained while maintaining Vo gt 0 8 Von2 CML is the maximum common mode voltage slew rate that can be sustained while maintaining Vo lt 0 8 V The common mode voltage slew rates apply to both rising and falling common mode voltage edges The transient magnitude is the range over which the common mode is slewed Dynamic supply current is the incremental amount of supply current required for a 1 Mbps increase in the signal data rate See Figure 6 through Figure 8 for information on per channel supply current for unloaded and loaded conditions See the Power Consumption section for guidance on calculating per channel supply current for a given data rate Rev C Page 4 of 20 ADuM2200 ADuM2201 ELECTRICAL CHARACTERISTICS 3 V OPERATION 3 0 V lt Vpn lt 3 6 V 3 0 V lt Vor lt 3 6 V All minimum maximum specifications apply over the entire recommended operation range unless otherwise noted All typical specifications are at Ta 25 C Vpn Vom 3 0 V Table 2 Parameter Symbol Min Typ Max Unit Test Conditions DC SPECIFICATIONS Input Supply Current per Channel Quiescent Ibo 0 3 0 5 mA Output Supply Current per Channel Quiescent Ippo 0 0 3 0 5 mA ADuM2200 Total Supply Current Two Channels
29. orced electrical isolation only within the safety limit data Maintenance of the safety data is ensured by means of protective circuits Note that the asterisk branded on packages denotes DIN V VDE V 0884 10 approval for 846 V peak working voltage Table 7 Description Conditions Symbol Characteristic Unit Installation Classification per DIN VDE 0110 For Rated Mains Voltage lt 300 V rms I to IV For Rated Mains Voltage lt 450 V rms Ito Il For Rated Mains Voltage lt 600 V rms Ito Il Climatic Classification 40 105 21 Pollution Degree DIN VDE 0110 Table 1 2 Maximum Working Insulation Voltage Viorm 846 V peak Input to Output Test Voltage Method B1 Viorm X 1 875 Vpr 100 production test tm 1 sec Vpr 1590 V peak partial discharge lt 5 pC Input to Output Test Voltage Method A Vpr After Environmental Tests Subgroup 1 Viorm X 1 6 Ver tm 60 sec partial discharge lt 5 pC 1375 V peak After Input and or Safety Test Subgroup 2 Viorm X 1 2 Ver tm 60 sec partial discharge lt 5 pC 1018 V peak and Subgroup 3 Highest Allowable Overvoltage Transient overvoltage trr 10 seconds Vir 6000 V peak Safety Limiting Values Maximum value allowed in the event of a failure see Figure 3 Case Temperature Ts 150 C Side 1 Current Is 265 mA Side 2 Current Is2 335 mA Insulation Resistance at Ts Vio 500 V Rs gt 10 Q at RECOMMENDED OPERATING CONDITIONS gz 300 Table 8 z
30. ould reduce the received pulse from gt 1 0 V to 0 75 V still well above the 0 5 V sensing threshold of the decoder The preceding magnetic flux density values correspond to specific current magnitudes at given distances away from the ADuM220x transformers Figure 15 expresses these allowable current magnitudes as a function of frequency for selected distances As can be seen the ADuM220x is immune and can be affected only by extremely large currents operated at high frequency and very close to the component For the 1 MHz example noted previously one would have to place a 0 5 kA current 5 mm away from the ADuM220x to affect operation of the component 1000 o o o DISTANCE DISTANCE 5mm MAXIMUM ALLOWABLE CURRENT kA o 1k 10k 100k 1M 10M 100M MAGNETIC FIELD FREQUENCY Hz 07235 020 Figure 15 Maximum Allowable Current for Various Current to ADUM220x Spacings Note that at combinations of strong magnetic field and high frequency any loops formed by printed circuit board traces can induce sufficiently large error voltages to trigger the thresholds of succeeding circuitry Care should be taken in the layout of such traces to avoid this possibility POWER CONSUMPTION The supply current at a given channel of the ADuM220x isolator is a function of the supply voltage the channel s data rate and the channel s output load For each input channel the supply current is given by Ippr
31. ovide outstanding performance characteristics that are superior to alternatives such as optocoupler devices By avoiding the use of LEDs and photodiodes iCoupler devices remove the design difficulties commonly associated with opto couplers Typical optocoupler concerns regarding uncertain current transfer ratios nonlinear transfer functions and temper ature and lifetime effects are eliminated with the simple iCoupler FUNCTIONAL BLOCK DIAGRAMS ADuM2200 II II 07235 001 NC NO CONNECT Figure 1 ADuM2200 07235 002 NC NO CONNECT Figure 2 ADUM2201 digital interfaces and stable performance characteristics The need for external drivers and other discrete components is elimi nated with these iCoupler products Furthermore iCoupler devices run at one tenth to one sixth the power of optocouplers at comparable signal data rates The ADuM220x isolators provide two independent isolation channels in a variety of channel configurations and data rates see the Ordering Guide The ADuM220x models operate with the supply voltage of either side ranging from 3 0 V to 5 5 V providing compatibility with lower voltage systems as well as enabling voltage translation functionality across the isolation barrier The ADuM220x isolators have a patented refresh feature that ensures dc correctness in the absence of input logic transi tions and during power up power down conditions Similar to the ADuM320x isolators the ADuM220x iso
32. rams ssssssssssssssssssssssssssstrssssssssssssrteeessssssss 1 REVISION History sereine p E RR E E 2 Specifications eeir e E A E TE 3 Electrical Characteristics 5 V Operation 3 Electrical Characteristics 3 V Operation 5 Electrical Characteristics Mixed 5 V 3 V or 3 V 5 V OperdH OT nsee e E EE E ER E ERE 7 Package Characteristicsic s tssccaisssssssssorsessssersssvedanecsssieenbsrazeaosaves 10 Regulatory Information sssssssssssssssssssssssssssessesettesssssssssserreeesss 10 Insulation and Safety Related Specifications 10 DIN V VDE V 0884 10 VDE V 0884 10 Insulation Characteristics ccccccccssssesessssesesssseseeees Recommended Operating Conditions REVISION HISTORY 3 12 Rev B to Rev C Created Hyperlink for Safety and Regulatory Approvals Entry in Features Section cecceessssessesessesseneseeneseesseeneseensseesenees 1 Change to PCB Layout Section esceessesssesessessessesseesesseenes 16 8 11 Rev A to Rev B Added 16 Lead SOIC_IC Package ot eeeeseeeeeeeeeees Universal Changes to Features Section cscessesssessesesssessessesstessesseesesseesees 1 Changes to Table 5 and Table 6 10 Changes to Endnote 1 Table 8 wll Updated Outline Dimensions 19 Changes to Ordering Guide ceeesseesessesssssessesssessesseessesseenes 19 7 08 Rev 0 to Rev A Changes to Features Section and General Description SOCHOM PATTE T 1 Changes to Table Barrisin E EES E E 10 1 08 Revision 0
33. t Rise Fall Time 10 to 90 tr te 10 ns C 15 pF CMOS signal levels Rev C Page 3 of 20 ADuM2200 ADuM2201 Parameter Symbol Min Typ Max Unit Test Conditions ADuM220xBR Minimum Pulse Width PW 100 ns C 15 pF CMOS signal levels Maximum Data Rate 10 Mbps C 15 pF CMOS signal levels Propagation Delay tent teLH 20 50 ns C 15 pF CMOS signal levels Pulse Width Distortion tpn tex gt PWD 3 ns C 15 pF CMOS signal levels Change vs Temperature 5 ps C C 15 pF CMOS signal levels Propagation Delay Skew tesk 15 ns C 15 pF CMOS signal levels Channel to Channel Matching teskcp 3 ns C 15 pF CMOS signal levels Codirectional Channels Channel to Channel Matching teskop 15 ns C 15 pF CMOS signal levels Opposing Directional Channels Output Rise Fall Time 10 to 90 tr te 2 5 ns C 15 pF CMOS signal levels For All Models Common Mode Transient Immunity CMy 25 35 kV us Vix Voo Or Voo2 Vem 1000 V at Logic High Output transient magnitude 800 V Common Mode Transient Immunity CMi 25 35 kV us Vix O V Vem 1000 V at Logic Low Output transient magnitude 800 V Refresh Rate fr 1 2 Mbps Input Dynamic Supply Current per Channel Ippo 0 19 mA Mbps Output Dynamic Supply Current per Channel Ippo 0 0 05 mA Mbps 1 All voltages are relative to their respective ground The supply current values for both channels are combined when running at identica
34. the input state within 1 us of Vooi power restoration X X Powered Unpowered Indeterminate Indeterminate Outputs return to the input state within 1 us of Vooo power restoration Table 12 ADuM2201 Truth Table Positive Logic Via input Vilnput Von State Vop2 State Voa Output Vos Output Notes H H Powered Powered H H L L Powered Powered L L H L Powered Powered H L L H Powered Powered L H X X Unpowered Powered Indeterminate H Outputs return to the input state within 1 us of Voni power restoration X X Powered Unpowered H Indeterminate Outputs return to the input state within 1 us of Vovo power restoration Rev C Page 12 of 20 ADuM2200 ADuM2201 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS 07235 004 NC NO CONNECT NOTES 1 PIN 1 AND PIN 7 ARE INTERNALLY CONNECTED AND CONNECTING BOTH TO GND IS RECOMMENDED 2 PIN 9 AND PIN 16 ARE INTERNALLY CONNECTED AND CONNECTING BOTH TO GND IS RECOMMENDED Figure 4 ADuM2200 Pin Configuration Table 13 ADuM2200 Pin Function Descriptions Pin No Mnemonic Description 1 GND Ground 1 Ground reference for Isolator Side 1 2 NC No internal connection 3 Voo1 Supply Voltage for Isolator Side 1 3 0 V to 5 5 V 4 Via Logic Input A 5 Vis Logic Input B 6 NC No internal connection 7 GND Ground 1 Ground reference for Isolator Side 1 8 NC No internal connection 9 GND2 Ground 2 Ground reference for Isolator Side 2 10 N
35. width distortion is the maximum difference between these two propagation delay values and is an indication of how accurately the input signal s timing is preserved Channel to channel matching refers to the maximum amount the propagation delay differs among channels within a single ADuM220x component Propagation delay skew refers to the maximum amount the propagation delay differs among multiple ADuM220x components operated under the same conditions DC CORRECTNESS AND MAGNETIC FIELD IMMUNITY Positive and negative logic transitions at the isolator input cause narrow 1 ns pulses to be sent via the transformer to the decoder The decoder is bistable and is therefore either set or reset by the pulses indicating input logic transitions In the absence of logic transitions at the input for more than 1 us a periodic set of refresh pulses indicative of the correct input state is sent to ensure dc correctness at the output If the decoder receives no internal pulses for more than approximately 5 us the input side is assumed to be without power or nonfunctional in which case the isolator output is forced to a default state see Table 11 and Table 12 by the watchdog timer circuit The limitation on the ADuM220x magnetic field immunity is set by the condition in which induced voltage in the transformer receiving coil is large enough to either falsely set or reset the decoder The following analysis defines the conditions under which this
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