intersil ISL23710 datasheet
Contents
1. 0 20 0 008 C D END VIEW NOTES 1 oon D 11 burrs and are measured at Datum Plane Mold flash protrusion and gate burrs shall not exceed 0 15mm 0 006 inch per side Dimension E1 does not include interlead flash or protrusions and are measured at Datum Plane Interlead flash and protrusions shall not exceed 0 15mm 0 006 inch per side Formed leads shall be planar with respect to one another within 0 10mm 004 at seating Plane L is the length of terminal for soldering to a substrate N is the number of terminal positions Terminal numbers are shown for reference only Dimension b does not include dambar protrusion Allowable dambar protrusion shall be 0 08mm 0 003 inch total in excess of b dimension at maximum material condition Minimum space between protrusion and adjacent lead is 0 07mm 0 0027 inch Datums A and B to be determined at Datum plane Hel Controlling dimension MILLIMETER Converted inch dimen sions are for reference only INCHES MILLIMETERS SYMBOL MIN MAX MIN MAX NOTES A 0 037 0 043 0 94 1 10 A1 0 002 0 006 0 05 0 15 5 A2 0 030 0 037 0 75 0 95 b 0 007 0 011 0 18 0 27 9 c 0 004 0 008 0 09 0 20 z D 0 116 0 120 2 95 3 05 3 E1 0 116 0 120 2 95 3 05 4 0 020 BSC 0 50 BSC 0 187 0 199 4 75 5 052. 13 Typical values are for Ta 25 C and 3 3V supply voltage LSB V RW 427 V RW o 127 V RW 427 and V RW p are V RW for the DCP register set to 7F hex and 00 hex respectively LSB is the incremental voltage when changing from one tap to an adjacent tap ZS error V RW o LSB FS error V RW 427 Vec LSB DNL V RW j V RW j 4 LSB 1 for i 1 to 127 i is the DCP register setting INL V RW i LSB V RW o for i 1 to 127 Max V RW Min V RW 406 TOV TMax V RW Min V RW 172 125 C Max is the maximum value of the wiper voltage and Min is the minimum value of the wiper voltage over the temperature range MI R427 Rol 127 R427 and Ro are the measured resistances for the DCP register set to 7F hex and 00 hex respectively Roffset Rco MI when measuring between RW and RL Roffset R427 MI when measuring between RW and RH RDNL Rj Rj 4 MI for i 16 to 127d _ RINL Ri MI i Rol MI for i 16 to 127d Tc Max Ri Min Ri 10 R Max Ri Min Ri 2 125 C Max is the maximum value of the resistance and Min is the minimum value of the resistance over the temperature range This parameter is not 100 tested Symbol Table WAVEFORM INPUTS OUTPUTS Must be steady Will be steady z Hy WNN BD ill Cond t r S DNS May change from High to Low Will change from High to Low OO Don t Care Changes Allowed Changin
3. 0 016 0 028 0 40 0 70 6 L1 0 037 REF 0 95 REF N 10 10 7 R 0 003 0 07 E R1 0 003 0 07 E 5 15 5 15 a 0 6 0 6 Rev 0 12 02 reel BDT E Cond I nter si Dimensioning and tolerancing per ANSI Y14 5M 1994 Dimension D does not include mold flash protrusions or gate All Intersil U S products are manufactured assembled and tested utilizing SO9000 quality systems Intersil Corporation s quality certifications can be viewed at www intersil com design quality Intersil products are sold by description only Intersil Corporation reserves the right to make changes in circuit design software and or specifications at any time without notice Accordingly the reader is cautioned to verify that data sheets are current before placing orders Information furnished by Intersil is believed to be accurate and reliable However no responsibility is assumed by Intersil or its subsidiaries for its use nor for any infringements of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries For information regarding Intersil Corporation and its products see www intersil com 8 intersil FN6126 0 August 22 2005
4. loc Voc Supply Current Volatile Write Read CS Vi U D Vi or Viy and INC 0 4V 2 4V 500 pA min teyc RL Rp Rw not connected ly V Supply Current Volatile Write Read CS VIL U D Vit or Vip and INC 0 4V 2 4V 100 yA min teyc RL Ry Rw not connected Isp Vcc Current Standby Vcc 5 5V 3 Wire Interface in Standby State 500 nA Vcc 2 7V 3 Wire Interface in Standby State 300 nA lyv SB V Current Standby V 5 5V 3 Wire Interface in Standby State 500 nA V 2 7V 3 Wire Interface in Standby State 300 nA ILkgDig Leakage Current at Pins INC CS U D Voltage at pin from GND to Vec 10 10 HA AO and A1 Vpor Power on Recall Voltage Minimum Vcc at which the wiper is Reset 2 5 V SERIAL INTERFACE SPECS VIL INC CS and U D Input Buffer LOW 0 3 0 3 Vcc vV Voltage VIH INC CS and U D Input Buffer HIGH 0 7 Vcc Vect0 3 v Voltage Hysteresis INC CS and U D Input Buffer Hysteresis 0 15 v Note 13 Vec Cpin INC CS and U D Pin Capacitance 10 pF Note 13 e AC Electrical WANUN ds RIM er cer ing fi nh REEE S SYMBOL PARAMETER MIN TYP Note 1 MAX UNIT tcl CS to INC Setup 100 ns tip INC HIGH to U D Change 100 ns tp U D to INC Setup 1 us tiL INC LOW Period 1 us tiH INC HIGH Period 1 us ticL Lock Setup Time INC High to CS High 1 us tiw Note 13 INC to Rw Change 1 us teyc INC Cycle Time 2 us tR tF INC Input Rise and Fall Time 500 us FN6126 0 4 intersil August 22 2005 ISL23710 NOTES ona fk O 12
5. to Voc 1 VOLTAGE DIVIDER MODE 0V RL V RH measured at RW unloaded INL Integral Non linearity 1 1 LSB Note 6 Note 2 DNL Differential Non linearity W U options 0 5 0 5 LSB Note 5 Note 2 ZSerror Zero Scale Error W option 0 1 4 LSB Notes U option 0 0 5 a Notez FSerror Full Scale Error W option 4 1 0 LSB Note 4 U option 2 05 0 Note 2 TCy Ratiometric Temperature Coefficient DCP register set to i 16 to 120d 4 ppm C Note 7 13 T 40 C to 85 C RESISTOR MODE Measurements between RW and RL with RH not connected or between RW and RH with RL not connected Notes 12 13 RINL Integral Non linearity DCP register set between 16 and 127d Monotonic 1 1 MI Note 11 over all tap positions Note 8 RDNL Differential Non linearity 0 5 0 5 MI Note 10 Note 8 Roffset Offset DCP register set to 0d W option 0 2 5 MI Note 9 Note 8 DCP register set to Od U option 0 0 5 2 MI Note 8 TCR Resistance Temperature Coefficient DCP register set to i 16 to 127d 50 ppm C T 40 C to 85 C 3 imtersil FN6126 0 August 22 2005 ISL23710 Operating Specifications Over the recommended operating conditions unless otherwise specified SYMBOL PARAMETER TEST CONDITIONS MIN fice MAX UNITS
6. Available ROHS Compliant e Industrial and Automotive Control e Parameter and Bias Adjustments e Amplifier Bias and Control ordering mM BDTI C cot ntersi l 10 LD MSOP TEMP TOP VIEW PART NUMBER RESISTANCE RANGE PKG BRAND OPTION 9 C PACKAGE DWG ISL23710WIU10Z 10K 40 to 85 10 Ld MSOP M10 118 AOG Notes 1 2 Pb Free ISL23710UIU10Z 50K 40 to 85 10 Ld MSOP M10 118 AOF Notes 1 2 Pb Free NOTES 1 Add T suffix for tape and reel 2 Intersil Pb free plus anneal products employ special Pb free material sets molding compounds die attach materials and 100 matte tin plate termination finish which are ROHS compliant and compatible with both SnPb and Pb free soldering operations Intersil Pb free products are MSL classified at Pb free peak reflow temperatures that meet or exceed the Pb free requirements of IPC JEDEC J STD 020 1 CAUTION These devices are sensitive to electrostatic discharge follow proper IC Handling Procedures 1 888 INTERSIL or 1 888 468 3774 Intersil and design is a registered trademark of Intersil Americas Inc XDCP is a trademark of Intersil Inc Copyright Intersil Americas Inc 2005 All Rights Reserved All other trademarks mentioned are the property of their respective owners ISL23710 Block Diagram UP DOWN UID INCREMENT INC DEVICE SELECT CS V Vcc INTERFACE AND CONTROL GND U D INC cs RH
7. Rw RL SIMPLE BLOCK DIAGRAM Pin Descriptions ee vyunnnnnn an 7 BIT RH UP DOWN ep COUNTER RESISTOR 1 ARRAY RECALL CONTROL CIRCUITRY RL Rw DETAILED BLOCK DIAGRAM PIN NUMBER a SYMBOL Controls the direction of wiper movement and whether the counter is incremented or decremented DESCRIPTION Negative supply voltage for the potentiometer wiper control oa BR OJN Ground Should be connected to a digital ground igs FEC connitnterse 6 RH A fixed terminal for one end of the potentiometer resistor 7 Rw The wiper terminal which is equivalent to the movable terminal of a potentiometer 8 RL A fixed terminal for one end of the potentiometer resistor 9 VCC Positive logic supply voltage 10 INC Increment input negative edge triggered 2 intersil FN6126 0 August 22 2005 ISL23710 Absolute Maximum Ratings Temperature Under Bias 65 C to 135 C Storage Temperature 20000005 65 C to 150 C Voltage on CS INC U D and Voc with Respect to GND 0 3V to Vect0 3V Voltage on V Referenced to GND 000 6V AV V RH V RL I eee ee eee 12V Lead Temperature Soldering 10s 4 300 C IW 10S sc ccw tee ned wee e aa acne nd ee ae 6mA VOC eriin ca piata Er Serta bie teed 0 3V to 6V Re RG RW oteeesine hi Gciads ne audits awa da
8. g State Not Known DHE N A Center Line is High Impedance 5 intersil FN6126 0 August 22 2005 ISL23710 AC Timing Z O Rw Power Up and Down Requirements In order to prevent unwanted tap position changes bring the CS and INC high before or concurrently with the Vcc pin on power up The potentiometer voltages must be applied after 90 90 10 Chip Select CS The device is selected when the CS input is LOW Principles of Operation this sequence is completed During dat et There Aregthree segtions of the ISL2871 the input control parameters for oh BOE ins after C u aas C k meqe tor array The input Vcc reaches its fiffal Value TH wi e Sefto it al ntgoFsectiort operate lik an up dSwn counter The value 64d once Vcc exceeds Vpop Pin Descriptions Ry and RL The high Ry and low R terminals of the ISL23710 are equivalent to the fixed terminals of a mechanical potentiometer The terminology of RL and Ry references the relative position of the terminal in relation to wiper movement direction selected by the U D input and not the voltage potential on the terminal Ry Ry is the wiper terminal and is equivalent to the movable terminal of a mechanical potentiometer The position of the wiper within the array is determined by the control inputs Up Down U D The U D input controls the direction of the wiper movement and whether the counter is incriminated or decremen
9. intersil ISL23710 Volatile Digitally Controlled Potentiometer XDCP Data Sheet August 22 2005 FN6126 0 Terminal Voltage 3V or t5V 128 Taps Features Up Down Interface The Intersil ISL23710 is a digitally controlled potentiometer XDCP The device consists of a resistor array wiper switches and a control section The wiper position is 127 Resistive Elements controlled by a Up Down interface Typical RtoTaL tempco 50ppm C Ratiometric tempco 4ppm C End to end resistance range 20 Wiper resistance 70Q typ at Vcc 3 3V e Up Down Interface with Chip Select Enable DCP Terminal Voltage from 2 7V to 5V The potentiometer is implemented by a resistor array composed of 127 resistive elements and a wiper switching network Between each element and at either end are tap points accessible to the wiper terminal The position of the Low Power CMOS wiper element is controlled by the CS U D and INC inputs V 2 7V to 5 5V The wiper register is volatile and is reset to midscale on Voc 2 7V to 5 5V power up The wiper position can be locked while powered up to prevent inadvertent changes Active current 1mA max Standby current 500nA max The device can be used as a three terminal potentiometer or Rota Values 10kQ 50kQ as a two terminal variable resistor in a wide variety of applications including e Volatile Wiper Storage with Wiper Locking e Packages 10 Ld MSOP Pb Free Plus Anneal
10. s decoded to select 6 intersil FN6126 0 August 22 2005 ISL23710 one of one hundred twenty eight wiper positions along the resistive array Bringing CS HIGH after INC is HIGH will cause the wiper value to be locked until power down further changes in cs and INC will not change the wiper position Otherwise INC should be brought HIGH after CS to allow continued wiper changes The state of U D may be changed while CS remains LOW This allows the host system to enable the device and then move the wiper up and down until the proper trim is attained During initial power up CS must go high along with or before Vcc to avoid an accidental tap position change TABLE 1 MODE SELECTION U D MODE Wiper Up Wiper Down Lock Wiper Value Standby Standby Standby IXI XX X I Wiper up One Position not recommended sree d dle Jp slys la L Wiper Down One Position coml ntersi 7 in lt i FN6126 0 inter sil August 22 2005 ISL23710 Mini Small Outline Plastic Packages MSOP Al 0 20 0 008 A BC SEATING Y PLANE C A2 Gan SEATING ica J 0 10 0 004 Cc PLANE b a e j lt D gt 0 20 0 008 SIDE VIEW M10 118 JEDEC MO 187BA 10 LEAD MINI SMALL OUTLINE PLASTIC PACKAGE
11. ted Increment INC The INC input is negative edge triggered Toggling INC will move the wiper and either increment or decrement the counter in the direction indicated by the logic level on the U D input output of this counter is decoded to turn on a single electronic switch connecting a point on the resistor array to the wiper output The resistor array is comprised of 127 individual resistors connected in series At either end of the array and between each resistor is an electronic switch that transfers the potential at that point to the wiper The wiper when at either fixed terminal acts like its mechanical equivalent and does not move beyond the last position That is the counter does not wrap around when clocked to either extreme The electronic switches on the device operate in a make before break mode when the wiper changes tap positions If the wiper is moved several positions multiple taps are connected to the wiper for tiw INC to Vw change The RTOTAL Value for the device can temporarily be reduced by a significant amount if the wiper is moved several positions Instructions and Programming The INC U D and CS inputs control the movement of the wiper along the resistor array With CS set LOW the device is selected and enabled to respond to the U D and INC inputs HIGH to LOW transitions on INC will increment or decrement depending on the state of the U D input a seven bit counter The output of this counter i
12. wn V to Vcc ESD Rating MIL STD 883 Method 3015 7 gt 2kV Thermal Information Thermal Resistance Typical Note 1 Oya C W MSOP Package 2000e0 eee ee eae 170 Recommended Operating Conditions Temperature Range Industrial 40 C to 85 C VGGie teen 85 4 nee cei nana auntie eas 2 7V to 5 5V Mas edea conan dosent id Ada ah antic apne wi ts a EE ty be 2 7V to 5 5V CAUTION Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device This is a stress rating only functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied Exposure to absolute maximum rating conditions for extended periods may affect device reliability NOTE 1 Oja is measured with the component mounted on a high effective thermal conductivity test board in free air See Tech Brief TB379 for details Analog Specifications Over recommended operating conditions unless otherwise stated SYMBOL PARAMETER TEST CONDITIONS MIN hice MAX UNIT RToTAL Ry to Rq Resistance W option 10 kQ U option 50 kQ Ry to R Resistance Tolerance 20 20 VRH VrRL Rp Rj Terminal Voltage V Vec V Rw Wiper Resistance V 5 5V Voc 5 5V ILkgocp Leakage on DCP Pins 70 ip rent Vcc V YRTofA e mi san PYAYAY AG EH C Sie 5 0 1 Voltage at pin from V
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intersil ISL23710 datasheet