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ANALOG DEVICES OP-207 handbook

1. OU OP207 0 L ANALOG DEVICES FEATURES LOW Vog oo cnn ccccccsnecccccccecvascsces 100LV Max Offset Voltage Match 904V Max Offset Voltage Match vs Temp 1 0uV C Max Common Mode Rejection Match 103dB Min Bias Current Match PET E 3 5nA Max LOW NOUS si cckcecssxestineseueueseanes 0 6uV Max Low Bias Current 0 000 3 0nA Max e High Channel Separation 126dB Min Ta 25 C HERMETIC OPERATING Vos MAX DIP TEMPERATURE uV 14 PIN RANGE 100 OP207AY MIL 100 OP207EY COM 200 OP207FY COM For devices processed in total compliance to MIL STD 883 add 883 after part number Consult factory for 883 data sheet t Burn in is available on commercial and industrial temperature range parts in CerDIP plastic DIP and TO can packages GENERAL DESCRIPTION The OP 207 series of dual matched operational amplifiers consists of two independent OP 07 high performance opera tional amplifiers in a single 14 pin dual in line package Exceptionally low offset voltage and tight matching of critical SIMPLIFIED SCHEMATIC 1 2 OP 207 Dual Ultralow Vos Matched Operational Amplifier OP 207 parameters is provided between the channels of this dual operational amplifier The excellent specifications of the individual amplifiers combined with the tight matching and temperature tracking between channels provide high performance in i
2. eee 300 C MATCHING CHARACTERISTICS at Vs 15V Ta 25 C unless otherwise noted OP 207A E OP 207F PARAMETER SYMBOL CONDITIONS MIN TYP MAX MIN TYP MAX UNITS Input Offset Voltage Match AVos Rs 1000 30 90 50 280 uV average ono lat 415 35 15 60 nA Bias Current Noninverting Offset Current lost 07 35 10 60 nA Inverting Offset Current los 07 35 10 60 nA Common Mode Rejection Ratio Nach ACMAR Vow 13V 103 120 96 114 dB Power Supply Rejection t 7 32 1 Raka Maleh APSRR Vs 3V to 18V 0 51 uVv V Channel Separation 126 140 126 140 dB MATCHING CHARACTERISTICS at Vs 15V 55 C lt Ta lt 125 C unless otherwise noted EET E ee N a NR I a a ea OP 207A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input Offset Voltage Match AVos Rs 1000 70 180 pV Input Offset Voltage Tracking Without External Trim TCAVos Note 1 0 5 1 0 VC With External Trim TCAVosn Rp 20k Note 1 0 3 1 0 Average Noninverting 2 6 nA Bias Current lat Average Drift of Non TCi 10 o inverting Bias Current Sigt aidia Noninverting Offset 2 6 5 Current lost nA Average Drift of Non inverting Offset TClos 12 pA C Current inverting Offset Current los 2 6 5 nA Common Mode Rejection 1 100 117 Ratio Match OPNA Vem 13V j P Supply Rejecti SO E aaa APSRR s Vg 3V to 18V 0 51 M Ratio Ma
3. Current los 0 9 2 8 1 5 6 0 nA Input Bias Current iB _ 1 3 _ 2 7 nA Input Noise Voltage np p 0 1Hz to 10Hz Note 2 0 35 0 6 0 35 0 6 HV p p fo 10Hz Note 2 10 3 18 0 10 3 18 0 p ene woe en fo 100Hz Note 2 10 0 13 0 100 130 nVA Hz fo 1000Hz Note 2 96 96 input Noise Current Inp p 0 1Hz to 10Hz Note 2 _ 14 30 14 30 PAp p fo 10Hz Note 2 032 0 80 032 0 80 tea SARD in fo 100Hz Note 2 014 0 23 014 0 23 pAs Hz fg 1000Hz Note 2 0 12 012 Input Resistance Differential Mode Rin Note 3 20 60 8 30 Mn Input Resistance Common Mode Rin cm 1 J an Input Voltage Range IVR 13 14 _ 13 14 T V Common Mode Rejection Ratio CMRR Vom 13V 106 123 l 100 120 dB Pawel SUPPI MASENG PSRR Vg 3V to 18V S 5 20 7 232 V V Ratio pe gna vonage Ayo RL 2kN Vo 10V 200 50 150 40 V mV R 2 10kN 12 5 13 0 12 5 13 0 _ Output Voltage Swing Vo RL 2kn 12 0 12 8 12 0 12 8 V RL2 kN 10 0 12 0 10 0 12 0 Siew Rate SR R gt 2kn 02 02 V s Closed Loop Bandwidth BW AycL 1 0 6 0 6 _ MHz Open Loop Output 60 Resistance Ro Vo 0 lo 0 jii n Power Consumption Py No Load Both Amplifiers 180 240 200 300 mW Offset Adjustment Range Rp 20k t4 4 mV Input Capacitance CiN 8 8 pF NOTES 1 Long T
4. are matched the gain of each side will be identical if the offset voltage of each amplifier is matched then the net differential voltage at the amplifiers output will be zero Note that the output offset error of this amplifier is not a function of the offset voltage of the individual amplifiers but only a function of the difference between the amplifiers offset voltages This error cancellation principle holds for a number of input referred error parameters offset voltage offset voltage drift inverting and noninverting bias currents OUTPUT common mode and power supply rejection ratios Note also that the impedances of each input both common mode and differential mode are extremely high an important feature not possible with single operational amplifier circuits Common mode rejection can be made exceptionally high this is very important in instrumentation amplifiers where errors due to large common mode voltages can be far greater than errors due to noise or drift with temperature For exam ple consider the case of two op amps each with 80dB 1004 V V CMRR If the CMRR of one device is 100uV V CMRR and the other is 1004 V V then the net CMRR will be 200uV V a 6dB degradation The matching of CMAR increases the effective CMRR when used as an instrumenta tion input stage POWER SUPPLIES The V supply terminals are completely independent and may be powered by separate supplies if desired However this ap
5. erm Input Offset Voltage Stability refers to the averaged trend line of Vos vs Time over extended periods after the first 30 days of operation Excluding the initial hour of operation changes in Vos during the first 30 operating days are typically 2 54V Parameter is sample tested 2 Sample tested 3 Guaranteed by design OP 207 INDIVIDUAL AMPLIFIER CHARACTERISTICS at Vs 15V 55 C lt Ta lt 125 C unless otherwise noted OP 207A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input Offset Voltage Vos Rs 1000 75 230 HV Average Input Offset Voltage Drift Without External Trim TCVos 0 4 1 3 oan an k N t With External Trim TCVosn Poe nen 04 we Input Offset Current los 1 8 5 6 n Average Input Offset R Current Drift Telos 7 2 7 pane Input Bias Current lp 30 5 6 nA Average Input Bias n Current Drift Telg E Ja E eee input Voltage Range IVR 13 13 5 V Common Mode R Rejection Ratio CMR Vom 13V 103 120 dB Power Supply Rejection Ratio PSRR Vs 3V to 18V 7 32 NAN Large Signal Voltage oo 5 hoe R 2k0 Vo 10V 150 400 V mV Gain Output Voitage Swing Vo R gt 2k 12 0 12 8 V INDIVIDUAL AMPLIFIER CHARACTERISTICS at Vs 15V 0 C lt Ta lt 70 C unless otherwise noted pO OP 207E OP 207 PARAMETER SYMBOL CONDITIONS MIN TYP MAX MIN TYP MAX UNITS Input Offset Voltage Vos Rs 1000 _ 60 200 90 350 uN Average Input Offs
6. et Voltage Drift Without External Trim TCVos5 0 4 1 3 0 7 1 8 20k With External Trim TCVosn pee ees 0 4 0 7 HES Input Offset Current los 14 5 25 10 nA Average input Offset 10 12 A Current Drift TClos PAE Input Bias Current lB _ 2 5 3 11 nA Average input Bias 1 2 o Current Drift ie si ee Input Voltage Range IVR 13 13 5 13 13 5 V Common Mode 103 120 7 117 Rejection Ratio OMEN Vom 18V ir Babine PSRR Vg 3V to 18V 7 3 10 5 V V Rejection Ratio ii E yonagp Avo RL gt 2kN Vo 10V 150 40 120 350 V mV a Output Voltage Swing Vo R 2 2kN 12 0 128 12 0 12 8 V NOTES l 1 Exclude first hour of operation to allow for stabilization of external circuitry 2 Sample tested OP 207 APPLICATION OF DUAL MATCHED OPERATIONAL AMPLIFIERS ADVANTAGES OF DUAL MATCHED OPERATIONAL AMPLIFIERS Dual matched operational amplifiers provide a powerful tool for the solution of some difficult circuit design problems Circuits include true instrumentation amplifiers extremely low drift high common mode rejection DC amplifiers low DC drift active filters dual tracking voltage references and many other demanding applications These designs all require good matching between two operational amplifiers The circuit below a differential in differential out amplifier shows how errors can be reduced Assuming the resistors used
7. nstrumen tation amplifier designs The individual amplifiers feature very low input offset voltage low offset voltage drift low noise voltage and low bias current Each amplifier is fully compensated and protected Matching between channels is provided on all critical para meters including offset voltage tracking of offset voltage vs temperature noninverting bias currents and common mode rejection PIN CONNECTIONS NOTES 1 Device may be operated even if insertion is reversed this is due to inherent symmetry of pin locations of amplifiers A and B 2 V A and V B are internally connected via substrate resistance NULL A 1 8 NULL B 14 PIN HERMETIC DIP Y Suffix OP 207 ABSOLUTE MAXIMUM RATINGS Supply VOMAQC sesiscescshedesucesduled aT E N 22V AGHAGE IV TE Differential Input Voltage cccsesccssseseeesceeeseeeesseeseees 30V SACHA Sc UNITS tnput Voltage Note 1 sirrinin ians 22V 14 Pin Hermetic DIP Y 108 16 C W Output Short Circuit Duration cceeeeeeee Indefinite NOTES Storage Temperature Range scseeee 65 C to 150 C 1 For supply voltages less than 22V the absolute maximum input voltage is Operating Temperature Range equal to the supply voltage OP 207 Auni iE eps Seo Oa ey ee roa eer ice el for Ger acKage OP 2076 OP 207F ananasni 0 C to 70 C SARN Lead Temperature Soldering 60 sec
8. proach would sacrifice the advantages of the power supply rejection ratio matching The V supply terminals are both connected to the common substrate and must be tied to the same voltage OFFSET TRIMMING Offset voltage trimming is provided for each amplifier Guaranteed performance over temperature is obtained by trim ming one side side A to match the offset of the other A net differential offset of zero results This procedure is used during factory testing of the devices The same results are obtained by trimming side B to match side A or by nulling each side individually The OP 207 is designed to provide best drift performance when trimmed with a 20k0 potentiometer this value provides about 4mV of adjustment range which is adequate for most applications Trimming resolution can be increased by use of the circuit shown below
9. tch i NOTE 1 Sample tested OP 207 MATCHING CHARACTERISTICS at Vs 15V 0 C lt Ta lt 70 C unless otherwise noted SE O_eEeEeEeEeEeEeEeeeeEeEeEeEeEeEeEeEeEeEeEeEeEeEeEEEEEEEEEEEE E E EE gt EE EE amp OP 207E OP 207F PARAMETER SYMBOL CONDITIONS MIN TYP MAX MIN TYP MAX UNITS Input Offset Voltage Match AVos Rg 1000 60 150 120 350 uN Input Offset Voltage Tracking l Without External Trim TCAVos Note 1 0 5 1 0 0 9 1 5 vece With External Trim TCAVog Rp 20kf Note 1 03 10 04 13 a Average Noninverting L m a _ F i Bias Current lat lt gt a ae ne Average Drift of Non inverting Bias Current TClgt w be gt iad Noninverting Offset Current lost 2 5 3 10 n Average Drift of Non inverting Offset TCl ost 12 15 pA C Current inverting Offset Current los 2 5 3 10 nA Common Mode Rejection Pa ach ACMRR Vom 13V 100 117 94 11 4 dB Power Supply Rejection a Ratio Match APSRR Vg 3V to 18V 10 51 16 100 pV V NOTE 1 Sample tested BURN IN CIRCUIT OP 207 INDIVIDUAL AMPLIFIER CHARACTERISTICS at Vs 15V Ta 25 C unless otherwise noted OP 207A E OP 207F PARAMETER SYMBOL CONDITIONS MIN TYP MAX MIN TYP MAX UNITS Input Offset Voltage Vos Rs 1000 35 100 60 200 uV Input Offset Voltage l Stability AVos Time Note 1 0 3 1 5 0 4 2 0 uV Mo Input Offset

ANALOG DEVICES OP-207 handbook

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