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rev. b a op200 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. 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: 781/326-8703 ?2004 analog devices, inc. all rights reserved. dual low offset, low power operational amplifier general description the op200 is the first monolithic dual operational amplifier to offer op77 type precision performance. available in the indus try- standard 8-lead pinout, the op200 combines precision perform ance with the space and cost savings offered by a dual amplifier. the op200 features an extremely low input offset voltage of less than 75 v with a drift below 0.5 v/ c, guaranteed over the full military temperature range. open-loop gain of the op200 ex ceeds 5,000,000 into a 10 k ? load; input bias current is under 2 na; cmr is over 120 db and psrr below 1.8 v/v. on-chip zener zap trimming is used to achieve the extremely low input offset voltage of the op200 and eliminates the need for offset pulling. power consumption of the op200 is very low, with each amplifier drawing less than 725 a of supply current. the total current drawn by the dual op200 is less than one-half that of a single op07, yet the op200 offers significant improvements over this industry-standard op amp. the voltage noise density of the op200, 11 nv/ hz at 1 khz, is half that of most competitive devices. pin connections 16-lead soic (s - suffix) 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 nc = no connect ?n a +in a nc v nc +in b ?n b nc out a nc nc v+ nc nc out b nc + + 8-lead pdi p (p-suffix) 8-lead cerdip (z-suffix) 8 7 6 5 v+ ?n b +in b out b 1 2 3 4 ?n a +in a v out a + + a b features low input offset voltage: 75 v max low offset voltage drift, over ?5 c < t a < +125 c: 0.5 v/ c max low supply current (per amplifier): 725 a max high open-loop gain: 5000 v/mv min low input bias current: 2 na max low noise voltage density: 11 nv/ hz at 1 khz stable with large capacitive loads: 10 nf typ pin compatible to op221, mc1458, and lt1013 with improved performance available in die form +in ?n v out v+ bias voltage limiting network figure 1. simplified schematic (one of two amplifiers is shown.) the op200 is pin compatible with the op221, lm158, mc1458/1558, and lt1013. the op200 is an ideal choice for applications requiring multiple precision op amps and where low power consumption is critical. for a quad precision op amp, see the op400.
rev. b e2e op200especifications (v s = 15 v, t a = 25 c, unless otherwise noted.) electrical characteristics op200a/e op200g parameter symbol conditions min typ max min typ max unit input offset voltage v os 25 75 80 200 v long-term input voltage stability 0.1 0.1 v/mo input offset current i os v cm = 0 v 0.05 1.0 0.05 3.5 na input bias current i b v cm = 0 v 0.1 2.0 0.1 5.0 na input noise voltage e n p-p 0.1 hz to 10 hz 0.5 0.5 v p-p input noise e n f o = 10 hz 22 36 22 nv/ hz voltage density * f o = 1000 hz 11 18 11 input noise current i n p-p 0.1 hz to 10 hz 15 15 pa p-p input noise current density i n f o = 10 hz 0.4 0.4 pa/ hz input resistance differential mode r in 10 10 m input resistance common mode r incm 125 125 g large signal a vo v o e 10 v voltage gain r l = 10 k 5000 12000 3000 7000 r l = 2 k 2000 3700 1500 3200 m/mv * sample tested. specifications subject to change without notice.
rev. b e3e op200 (v s = 15 v, e55 c t a +125 c for op200a, unless otherwise noted.) op200a parameter symbol conditions min typ max unit input offset voltage v os 45 125 v average input offset voltage drift tcv os 0.2 0.5 v/ c input offset current i os v cm = 0 v 0.15 2.5 na input bias current i b v cm = 0 v 0.9 5.0 na large signal voltage gain a vo v o = 10 v r l = 10 3000 9000 v/mv r l = 2 k 1000 2700 v/mv input voltage range * ivr 12 12.5 v common-mode rejection cmr v cm = 12 v 115 130 db power supply rejection ratio psrr v s = +3 v to +18 v 0.2 3.2 v/v output voltage swing v o r l = 10 k 12 12.4 v r l = 2 k 11 12 v supply current per amplifier i sy no load 600 775 a capacitive load stability a v = 1 8 nf * guaranteed by cmr test. specifications subject to change without notice. electrical characteristics op200a/e op200g parameter symbol conditions min typ max min typ max unit input voltage range 1 ivr 12 13 12 13 v common-mode rejection cmr v cm = 12 v 120 135 110 130 db power supply v s = 3 v rejection ratio psrr to 18 v 0.4 1.8 0.6 5.6 v/v output voltage v o r l = 10 k 12 12.6 12 12.6 v swing r l = 2 k 11 12.2 11 12.2 v supply current per amplifier i sy no load 570 725 570 725 a slew rate sr 0.1 0.15 0.1 0.15 v/ s gain bandwidth product gbwp a v = 1 500 500 khz channel separation 2 v o = 20 v p-p cs f o = 10 hz 123 145 123 145 db input capacitance c in 3.2 3.2 pf capacitive load a v = 1 stability no oscillations 10 10 nf notes 1 guaranteed by cmr test. 2 guaranteed but not 100% tested. specifications subject to change without notice. (v s = 15 v, t a = 25 c, unless otherwise noted.) electrical characteristics
rev. b e4e op200especifications electrical characteristics op200e op200g parameter symbol conditions min typ max min typ max unit input offset voltage v os 35 100 110 300 v average input offset voltage drift tcv os 0.2 0.5 0.6 2.0 v/ c input offset current i os v cm = 0 v 0.08 2.5 0.1 6.0 na input bias current i b v cm = 0 v 0 3 5.0 0.5 10.0 na large-signal v o = 10 v voltage gain a vo r l = 10 k 3000 10000 2000 5000 v/mv r l = 2 k 1500 3200 1000 2500 v/mv input voltage range * ivr 12 12.5 12 12.5 v common-mode rejection cmr v cm = 12 v 115 130 105 130 db power supply psrr v s = 3 v 0.15 3.2 0.3 10.0 v/v rejection ratio to 18 v output voltage v o r l = 10 k 12 12.4 12 12.4 v swing r l = 2 k 11 12 11 12.2 v supply current per amplifier i sy no load 600 775 600 775 a capacitive load a v = 1 10 10 nf stability no oscillations 10 10 nf * guaranteed by cmr test. specifications subject to change without notice. (v s = 15 v, e40 c t a +85 c, unless otherwise noted.)
rev. b op200 e5e ordering guide package t a = 25 c operating v os max cerdip temperature ( v) 8-lead plastic range 75 op200az mil 75 op200ez xind 200 op200gp xind 200 op200gs xind 200 OP200GS-REEL xind for military processed devices, please refer to the standard microcircuit drawing (smd) available at www.dscc.dla.mil/programs/milspec/default.asp absolute maximum ratings 1 supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 v differential input voltage . . . . . . . . . . . . . . . . . . . . . . 30 v input voltage . . . . . . . . . . . . . . . . . . . . . . . . . supply voltage output short-circuit duration . . . . . . . . . . . . . . continuous storage temperature range p, s, z-package . . . . . . . . . . . . . . . . . . . . . e65 c to +150 c lead temperature range (soldering, 60 sec) . . . . . . . 300 c junction temperature (t j ) . . . . . . . . . . . . . e65 c to +150 c operating temperature range op200a . . . . . . . . . . . . . . . . . . . . . . . . . . . e55 c to +125 c op200e . . . . . . . . . . . . . . . . . . . . . . . . . . . e40 c to +85 c op200g . . . . . . . . . . . . . . . . . . . . . . . . . . . e40 c to +85 c package type ja 2 jc unit 8-lead cerdip (z) 148 16 c/w 8-lead plastic dip (p) 96 37 c/w 16-lead soic (s) 92 27 c/w notes 1 absolute maximum ratings apply to both dice and packaged parts, unless otherwise noted. 2 ja is specified for worst-case mounting conditions, i.e., ja is specified for device in socket for cerdip and pdip packages; ja is specified for device soldered to printed circuit board for soic package. caution esd (electrostatic 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 op200 features proprietary esd protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. therefore, proper esd precautions are recommended to avoid performance degradation or loss of functionality. smd part number adi equivalent 5962-8859301m2a op200arcmda 5962-8859301mpa op200azmda 1/2 op200 channel separation = 20 log v 1 1/2 op200 v 2 50 50k 20vp-p @ 10hz v 1 v 2 /1000 figure 2. channel separation test circuit 1/2 op200 e out 1/2 op200 10k 100 e out ( nv/ hz 2 hz scr aar s
rev. b op200 e6e e75 10 0 temperature e c input offset voltage e v v s = 15v e50 e25 0 25 50 75 100 125 20 30 40 50 60 tpc 2. input offset voltage vs. temperature e15 0.2 0 comon-mode voltage e v input bias current e na t a = 25 c v s = 15v e10 e5 0 5 10 15 0.4 0.6 0.8 1.0 tpc 5. input bias current vs. common-mode voltage frequency e hz current noise density e fa/ hz a 2 c s c c d c cha s a 2 2 a 2 c s c w d 2 2 rar c s crr a s 2 2 2 c c rc hz a s ds hz a 2 c s c d 2 2 rar c as crr a s 2 2 2 c c rc hz cd rc 2 2 a 2 c s c c r c hz
rev. b ? op200 supply voltage ?v total supply current ?ma 1.06 2 6 10 14 16 1.08 1.10 1.12 1.14 1.16 1.18 two amplifiers t a = 25 c tpc 10. total supply current vs. supply voltage ?5 0.2 0.1 temperature ? c power supply rejection v/v 0.3 0.4 0.5 0.6 0.7 ?0 ?5 0 25 50 75 100 125 tpc 13. power supply rejection vs. temperature frequency ?hz gain ?db 0 20 40 60 80 100 120 140 10 100 1k 10k 100k t a = 25 c v s = 15v a v = 1000 1m a v = 100 a v = 10 a v = 1 tpc 16. closed-loop gain vs. frequency ?5 1.11 temperature ? c total supply current ?ma two amplifiers v s = 15v ?0 ?5 0 25 50 75 100 125 1.12 1.13 1.14 1.15 1.16 tpc 11. total supply current vs. temperature 1000 0 open-loop gain ?v/mv v s = 15v r l = 2k 2000 3000 4000 5000 6000 ?5 temperature ? c ?0 ?5 0 25 50 75 100 125 tpc 14. open-loop gain vs. temperature frequency ?hz output swing ?v p-p at 1% distortion 0 5 10 15 20 25 30 10 100 1k 10k t a = 25 c v s = 15v 100k tpc 17. maximum output swing vs. frequency 0.1 20 0 frequency ?hz power supply rejection ?na negative supply 11 0 100 1k 10k 100k 40 60 80 100 positive supply 120 140 t a = 25 c tpc 12. power supply rejection vs. frequency frequency ?hz open-loop gain ?db 0 20 40 60 80 100 120 140 10 100 1k 10k 100k t a = 25 c v s = 15v phase gain 1m ?0 180 135 90 0 phase shift ?degrees tpc 15. open-loop gain and phase shift vs. frequency frequency ?hz distortion ?% 1 10k 1k 100 0.001 t a = 25 c v s = 15v v out = 10v p-p r l = 2k a v = 100 a v = 10 a v = 1 0.01 0.1 tpc 18. total harmonic distortion vs. frequency
rev. b op200 ? 0 5 30 25 20 10 15 0 capacitive load ?nf overshoot ?% 0.5 1.0 1.5 t a = 25 c v s = 15v rising falling 1.0 1.5 3.0 35 40 45 50 tpc 19. overshoot vs. capacitive load tpc 22. large signal transient response 1/2 op200az v out v out = 5 + 40000 r g v in + v ref 20k 5k 5k 1/2 op200az 7 5 6 v in v ref 3 2 r g 20k ?5v +15v 1 8 4 figure 4. dual low power instrumentation amplifier the output signal is specified with respect to the reference input, which is normally connected to analog ground. the reference input can be used to offset the output from ?0 v to +10 v if required. gain bandwidth 5 150 khz 10 67 khz 100 7.5 khz 1000 500 hz applications information the op200 is inherently stable at all gains and is capable of driving large capacitive loads without oscillating. nonetheless, good supply decoupling is highly recommended. proper supply decoupling reduces problems caused by supply line noise and improves the capacitive load driving capability of the op200. applications dual low-power instrumentation amplifier a dual instrumentation amplifier that consumes less than 33 mw of power per channel is shown in figure 4. the linearity of the instrumentation amplifier exceeds 16 bits in gains of 5 to 200 and is better than 14 bits in gains from 200 to 1000. cmrr is above 115 db (gain = 1000). offset voltage drift is typically 0.2 v/ c over the military temperature range, which is compa- rable to the best monolithic instrumentation amplifiers. the bandwidth of the low power instrumentation amplifier is a func- tion of gain and is shown below: time ?minutes short-circuit current ?ma 2 t a = 25 c v s = 15v sourcing sinking 22 23 24 25 26 27 28 29 01 345 tpc 20. short-circuit current vs. time tpc 23. small signal transient response frequency ?hz channel separation ?db 100 10 100 1k 10k 100k 90 110 120 130 140 150 tpc 21. channel separation vs. frequency tpc 24. small signal transient response c load = 1 nf
rev. b op200 ? precision absolute value amplifier the circuit in figure 5 is a precision absolute value amplifier with an input impedance of 10 m ? . the high gain and low tcv os of the op200 ensure accurate operation with microvolt input signals. in this circuit, the input always appears as a common-mode signal to the op amps. the cmr of the op200 exceeds 120 db, yielding an error of less than 2 ppm. 1/2 op200az v out 1/2 op200az 7 6 5 v in 3 2 0v < v out < 10v 1 r1 1k r3 1k c1 30pf d1 1n4148 c2 0.1pf ?5 d1 1n4148 r2 2k c2 0.1pf +15 8 4 figure 5. precision absolute value amplifier precision current pump maximum output current of the precision current pump shown in figure 6 is 10 ma. voltage compliance is 10 v with 15 v supplies. output impedance of the current transmitter exceeds 3 m ? with linearity better than 16 bits. 1/2 op200ez 1/2 op200ez 5 6 v in 3 2 1 r5 100 ?5 +15 i out 7 r1 10k r2 10k r3 10k r4 1k i out = = v in rs v in 100 = 10ma/v 8 4 figure 6. precision current pump dual 12-bit voltage output dac the dual output dac shown in figure 7 is capable of providing untrimmed 12-bit accurate operation over the entire military temperature range. offset voltage, bias current, and gain errors of the op200 contribute less than 1/10 of an lsb error at 12 bits over the military temperature range. outa v dd ?5v outb i out a i out b r fb a agnd 5v v ref a v ref b dac a /dac b cs wr dac control 10v reference voltage dac-8222ew dac a dac b 1/2 op200az 1/2 op200az 23 2 3 4 5 6 7 8 18 19 20 21 22 1 24 4 2 3 dac data bus pins 6(msb) ?17(lsb) 5 1 1/2 dac8212av 1/2 dac8212av r fb b dgnd figure 7. dual 12-bit voltage output dac
rev. b op200 ?0 dual precision voltage reference a dual op200 and a ref43, a 2.5 v reference, can be used to build a 2.5 v precision voltage reference. maximum output current from each reference is 10 ma with load regulation under 25 v/ma. line regulation is better than 15 v/v and output voltage drift is under 20 v/ c. output voltage noise from 0.1 hz to 10 hz is typically 75 v p-p. r1 and d1 ensure correct start-up. programmable high resolution window comparator the programmable window comparator shown in figure 9 is easily capable of 12-bit accuracy over the full military tempera- ture range. a dual cmos 12-bit dac, the dac8212, is used in the voltage switching mode to set the upper and lower thresh- olds (dac a and dac b, respectively). v dd outb i out b r ref a agnd 15v dac a /dac b cs wr dac control signals 10v reference 1/2 op200az 1/2 op200az 4 4 5 7 8 18 19 20 21 24 22 2 2 3 + dac data bus pins 6(msb) ?17(lsb) 5 1 r ref b dgnd + dac a dac b 1/2 dac8212av 1/2 dac8212av i out a 1 ?5v v in r3 10k r4 10k 5v ttl out d1 1n4148 d2 1n4148 r1 10k r2 10k q1 2n2222 figure 9. programmable high resolution window comparator 1/2 op200az 1/2 op200az r2 10k ?v 7 6 5 4 2 3 8 r4 5k ?.5v ?.5v 6 r3 10k r1 22k +5v ref43a 4 2 d1 1n914 figure 8. dual precision voltage reference
rev. b op200 ?1 outline dimensions 16-lead standard small outline package [soic] wide body (rw-16) s - suffix dimensions shown in millimeters and (inches) 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 compliant to jedec standards ms-013aa seating plane 0.30 (0.0118) 0.10 (0.0039) 2.65 (0.1043) 2.35 (0.0925) 1.27 (0.0500) bsc 16 9 8 1 10.65 (0.4193) 10.00 (0.3937) 7.60 (0.2992) 7.40 (0.2913) 10.50 (0.4134) 10.10 (0.3976) 8 0 0.75 (0.0295) 0.25 (0.0098) 45 1.27 (0.0500) 0.40 (0.0157) coplanarity 0.10 0.33 (0.0130) 0.20 (0.0079) 0.51 (0.0201) 0.31 (0.0122) 8-lead plastic dual in-line package [pdip] (n-8) p-suffix dimensions shown in inches and (millimeters) seating plane 0.180 (4.57) max 0.150 (3.81) 0.130 (3.30) 0.110 (2.79) 0.060 (1.52) 0.050 (1.27) 0.045 (1.14) 8 1 4 5 0.295 (7.49) 0.285 (7.24) 0.275 (6.98) 0.100 (2.54) bsc 0.375 (9.53) 0.365 (9.27) 0.355 (9.02) 0.150 (3.81) 0.135 (3.43) 0.120 (3.05) 0.015 (0.38) 0.010 (0.25) 0.008 (0.20) 0.325 (8.26) 0.310 (7.87) 0.300 (7.62) 0.022 (0.56) 0.018 (0.46) 0.014 (0.36) controlling dimensions are in inches; millimeter dimensions (in parentheses) are rounded-off inch equivalents for reference only and are not appropriate for use in design compliant to jedec standards mo-095aa 0.015 (0.38) min 8-lead ceramic dual in-line package [cerdip] (q-8) z-suffix dimensions shown in inches and (millimeters) 1 4 85 0.310 (7.87) 0.220 (5.59) pin 1 0.005 (0.13) min 0.055 (1.40) max 0.100 (2.54) bsc 15 0 0.320 (8.13) 0.290 (7.37) 0.015 (0.38) 0.008 (0.20) seating plane 0.200 (5.08) max 0.405 (10.29) max 0.150 (3.81) min 0.200 (5.08) 0.125 (3.18) 0.023 (0.58) 0.014 (0.36) 0.070 (1.78) 0.030 (0.76) 0.060 (1.52) 0.015 (0.38) controlling dimensions are in inches; millimeters dimensions (in parentheses) are rounded-off inch equivalents for reference only and are not appropriate for use in design
rev. b ?2 c00322??/04(b) op200 revision history location page 2/04?ata sheet changed from rev. a to rev. b. op200f deleted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . universal changes to ordering guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 changes to figure 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 updated outline dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4/02?ata sheet changed from rev. 0 to rev. a. edits to features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 edits to general description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 edits to ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 edits to pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 edits to absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 edits to package type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

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