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ANALOG DEVICES ADM5170 English products handbook Rev 0

1. Vor Ri 3kQ Vo Ri 4500 DRIVER OUTPUT VOLTAGE V Vor R 4500 9 10 1i 12 13 14 15 9 10 1i 12 13 14 15 Vpp Vss V Vpp Vss V Figure 7 V Vo vs Voo Vss RS 232 Mode Figure 10 V Vo vs V JV RS 423 Mode REV 0 5 ADM5170 gt gt d n 5 9 S gt 5 E amp z 5 o e H gt S S 0 5 10 15 20 25 0 5 10 15 20 25 OUTPUT CURRENT mA OUTPUT CURRENT mA Figure 11 Driver Output Voltage vs Output Current Figure 12 Driver Output Voltage vs Output Current RS 232 Mode RS 423 Mode OUTLINE DIMENSIONS Dimensions shown in inches and mm 28 Lead Plastic DIP 28 Lead Plastic Leaded Chip Carrier PLCC N Suffix P Suffix a a a a 0 180 4 57 28 15 0 048 1 21 0 056 1 42 o P 4 19 0 580 14 73 10 042 1 07 0 042 1 07 0 025 0 63 0 485 12 32 0 015 0 38 TN er 0 048 ants P Ge i 14 0 042 1 07 i IDENTIFIER X 0 021 0 53 1 565 39 70 0 013 0 33 1 380 35 10 0 050 Y Sat 33 0 060 1 52 02200052 0 250 0 015 0 38 see TOP VIEW 0 390 3 87 6 35 Kr L 0 200 5 05 K Y 0 032 0 81 0 125 3 18 0 026 0 66 2 e 0 070 177 lt ii af 0 022 0 558 0 100 77 SEATING 0 014 0 356 2 54 MAX TM BSC PRANS ca r3 1 01 0 625 15 87 R Baz Seenen l gt
2. external resistor 2 kQ to 10 kQ connected between this pin and GND is used to control the Output Slew Rate 10 V us to 2 2 V us Slew Rate Programming T he slew rate for the ADM 5170 is controlled by a single resistor connected between the SRA pin and GND T he slew rate is approximately Slew Rate V us 20 R sra KQ Resistors between 2 kQ and 10 kQ may be used providing a slew rate which may be varied from 10 V us to 2 2 V us Figure 5 in the T ypical Performance Characteristics section shows how the slew rate varies with R ska while Figure 8 shows how the transition time 10 to 90 varies with R sra Waveshaping of the output allows the user to control the level of interference near end crosstalk which may be coupled to adjacent circuits in an interconnection The recommended output characteristics for cable length and data rate are given in the EIA RS 423A specifications M aximum D ata Rate kB s 300 t for rates from 1 kB s to 100 kB s Cable L ength feet 100 X t M ax Length 4000 ft where t is the transition time in us for the output to swing from 1096 to 9096 of its steady state values T he absolute maximum data rateis 100 kB s and the maximum cable length is limited to 4000 ft Output Mode Programming The ADM 5170 has two programmable output modes which provide different output voltage levels T he low output mode meets the specifications of EIA standards RS 423A while the high output mod
3. lt ses 0 64 0 600 75 24 y a4 0 195 4 95 pitta U sa si Seier Se 0 125 3 18 0 485 12 32 085 2 16 wy 0 015 0 381 0 008 0 204 6 REV 0 C1853 7 5 10 93 PRINTED IN U S A
4. 3 Rega 10 kQ R 24500 C 250 pF 6 0 15 US tu 7 0 15 us ta Specifications subject to change without notice EI REV 0 ADM5170 ABSOLUTE MAXIMUM RATINGS T 25 C unless otherwise noted EEN 15 V Mes tee ees 15 V Input Voltages VK 0 3 to Vbo 0 3 V O uput Voltages EE 12 V to 12 V Output Short Circuit Duration Continuous Power Dissipation Plastic DIP 1250 mW D erate at 12 5 mW C above 50 C Oa Thermal Impedance 75 C W Power Dissipation PLCC 1000 mW D erate at 10 mW C above 50 C 65 Thermal Impedance 80 C W Operating T emperature R ange Commercial J Version Industrial A Version 0 C to 70 C 40 C to 85 C Lead T emperature Soldering 10 sec 300 C Vapour Phase 60 sec 215 C Infrared 15 se6 a Tay n tries aet ans ra hors 220 C T his is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specifica tion isnotimplied Exposureto absolute maximum rating conditions for extended periods of time may affect reliability CAUTION ORDERING GUIDE Model Temperature Range Package Option ADM 5170JN 0 C to 70 C N 28 ADM5170AN 40 C to 85 C N 28 ADM5170JP 0 C to 70 C P 28A ADM5170AP 40 C to 85 C P 28A ESD el
5. ANALOG DEVICES Octal RS 232 RS 423 Line Driver ADM5170 FEATURES FUNCTIONAL BLOCK DIAGRAM Eight Single Ended Line Drivers in One Package Meets EIA Standard RS 232E RS 423A and CCITT V 10 X 26 Resistor Programmable Slew Rate Wide Supply Voltage Range Low Power CMOS 3 State Outputs TTL CMOS Compatible Inputs Output Short Circuit Protection Available in 28 Pin DIP PLCC Low Power Replacement for UC5170C APPLICATIONS High Speed Communication Computer LO Ports Peripherals High Speed Modems Printers Logic Level Translation GENERAL DESCRIPTION TheADM 5170 isan octal line driver suitable for digital communi cation systems with data rates up to 116 kB s Input T T L or CM OS signal levels are inverted and translated into either EIA RS 232E or RS 423A signal levels depending on the status of the M ode Select inputs M S and M S With both M ode Select inputs at GND RS 423 operation is selected while with M S connected to Von and M S connected to V RS 232 operation is selected RE T he output slew rates may be controlled using an external resistor connected between the SRA Slew Rate Adjust pin and GN D Resistor values between 2 kO and 10 kO may be selected giving a slew rate which can be adjusted from 10 V us to 2 2 V us T his adjustment of the slew rate allows tailoring of the output character istics to suit the interface cable being used Truth Table The outputs may be disabled us
6. Low Level Current li 1 uA Vi 0 4 V OUTPUTS RS 423A Outputs EN 0 8V MS MS 0V High Level Output Voltage 5 0 5 3 6 0 V H 2o Vi zs 0 8 V 5 0 5 3 6 0 V R 3 KQ V 0 8 V 4 5 5 2 6 0 V R 2450 Q V 0 8 V Low Level Output Voltage 5 0 5 3 6 0 V H 2e Vi 2 0V 5 0 5 6 6 0 V H 3 kQ V 2 0 V 4 5 54 60 V R 2450 Q V 22 0 V Output Balance NA 005 04 V R 450 Q Vear Von Vor RS 232 Outputs EN 0 8 V MS Vbp MS Vss High Level Output Voltage 7 0 7 6 Von V R Nu 0 8 V 7 0 7 6 Mss V R 3 kQ V 0 8 V Low L evel Output Voltage 7 0 7 7 Vas V R e Viy 2 0 V 7 0 223 n V Ri 3 KQ V 22 0 V Off State Output Current loz 100 100 uA EN 22 0 V Vo 26 V Vo 15 V Vss 2 15 V Short C ircuit Current los 15 50 100 mA Vw 20V EN 20V 15 40 100 mA Vy 25V EN 20V z Specifications subject to change without notice Vo 10 V 10 V 10 V 10 MS MS 0 V All Specifications Ty to Ty Tl MI NG CHARACTE RI STI CS unless otherwise noted Parameter Min Typ Max Units Test Conditions Comments Output Slew Rate Fig 1 Fig2 Reg 2 KQ R 2450 Q C 50 pF 6 65 10 14 V us Rising F alling Edge ta t Output Slew Rate Fig 1 Fig 2 Reg 10 kQ R 450 Q C 250 pF 1 33 2 0 3 V us Rising F alling Edge t t Output to Hi Z Propagation D elay D isable Fig 1 Fig 3 Reg 10 kQ R 450 Q C 50 pF 0 3 1 0 us tuz 0 5 1 0 us tz Hi Z to Valid Output Propagation D elay Enable Fig 1 Fig
7. e meets the RS 232 specifications T he high output mode provides greater output swings and is suitable for driving lines where higher attenuation levels must be tolerated T his mode is selected by connecting the mode select pins to the supplies M S to Vbp and M S to Vss The low output mode is selected by connect ing both mode select pins M S and M S to GND This mode provides a controlled output swing with lower output levels Inputs Outputs MS MS EN Data Output GND GND 0 0 5 V to 6 V RS 423 GND GND 0 1 5 V to 6 V RS 423 Voo Vas 0 0 Voo 3 V RS 232 Ven Vas 0 1 Vss 3 V RS 232 X X 1 X High Z 1M inimum Output L evel Typical Application Circuit A typical application circuit using a single driver in the ADM 5170 is shown in Figure 4 T his circuit is suitable for either RS 232 or RS 423 communication An AD M 5180 octal receiver is used to translate the signal back to CM OS logic level at the receiving end Vu v TL O Vpp I INPUT 1 8 I V I I ADM5170 9 TRANSMISSION TIE TO GND I FOR RS 232 Figure 4 RS 232 RS 423A Typical Application Circuit REV 0 Typical Performance Characteristics ADM5170 SLEW RATE V us o TRANSITION TIME us ES a E ut SE sss RRA Ri mis ee Figure 6 Slew Rate H 2 KQ Figure 9 Slew Rate H 10 KQ Vou VoL RL gt
8. ectrostatic discharge sensitive device Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection Although the ADM5170 features proprietary ESD protection circuitry permanent damage may occur on devices subjected to high energy electrostatic discharges T herefore proper ESD precautions are recommended to avoid performance degradation or loss of functionality RS 232 RS 423 MODE SELECT SLEW RATE CONTROL Vour Figure 2 Rise Fall Timing Waveforms REV 0 INPUT EN Vou OUTPUT Vn OV OUTPUT Vin 5V VoL WARNING ema ESD SENSITIVE DEVICE Figure 3 Enable Disable Timing Waveforms ADM5170 PIN CONFIGURATIONS DIP ADM5170 TOP VIEW Not to Scale ADM5170 TOP VIEW Not to Scale NC NO CONNECT PIN FUNCTION DESCRIPTION Mnemonic Function Vop Power Supply Input 10 V 10 Vas Power Supply Input 10 V 10 GND Ground Pin M ust be connected to 0 V A H Digital Input to Drivers A to H Ao Ho RS 232 RS 423 Output from Drivers A to H EN Enable Pin When high all outputs are 3 stated M S M S M ode Select Inputs U sed to control the output level swing With M S amp M S connected to GND RS 423A output levels are selected With M S connected to V5 and M S connected to V ss RS 232 output levels are developed SRA Slew Rate Adjust Input An
9. ing the EN Enable Input T his Inputs Outputs feature permits sharing of a common output line EN Data EIA RS 232bE RS 423A The ADM 5170 is fabricated on an advanced CM OS process 0 0 Voo 3 V 5Vto6V featuring low power consumption In the disabled state the power 0 1 Vs 3 V 5 V to 6 V consumption reduces from 500 mW to 40 mW The ADM 5170 is 1 X High Z High Z available in both 28 pin DIP and 28 lead PL C C packages 1M inimum Output L evel REV 0 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 o which may result from its use No license is granted by implication or One Technology Way P O Box 9106 Norwood MA 02062 9106 U S A otherwise under any patent or patent rights of Analog Devices Tel 617 329 4700 Fax 617 326 8703 AD M 5 1 70 S P E C F C ATl ONS i se rd deri pius pi SCH Se Parameter Min Typ Max Units Test Conditions Comments POWER REQUIREMENTS Von Range 9 15 V Vss Range 9 15 V b Disabled 2 4 mA EN High lbo Enabled 25 36 mA R EN 0 V lss Disabled 2 4 mA EN High Is Enabled 23 36 mA R EN 0 V DIGITAL INPUTS Input Logic T hreshold High V iny 2 0 V Input Logic Threshold Low Viv 0 8 V Input Clamp Voltage V 1 1 1 8 V lw 15 mA Input High Level Current li 1 uA Vu 2 4 V Input

ANALOG DEVICES ADM5170 English products handbook Rev 0

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