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Op AmpMPN Cost
Vos typ (uV)
Vos max (@ 80 C)
dV/dT typ
dV/dT max @ 80 C
Ib typ (pA)
Ib max (pA)
Ib @ 85 CCM in
CM out into 10 kΩ
Noise (nV/√Hz @ 1 kHz)Slew (V/μs)GBW (MHz)Use?Use if you need…Reject if you need…Comment
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OPA1612OPA1612AIDR $ 6.33 105001460000350000V- - 2 to V+ - 2R2R, 200 mV1.12740
Absolute lowest-noise @ any price
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OPA1656OPA1656IDR $ 2.56 50010000.321020
V- to V+ - 2.25V
R2R, 250mV4.32453Very high output current drive, low noise. High full-pwr BW.
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OPA1678OPA1678IDR $ 0.76 500210750
V- + 0.5 to V+ - 2
R2R, 800 mV4.5916Budget low-noise option
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OPA2140
OPA2140AIDR
$ 6.28 301200.3510.510V- to V+ - 3.5R2R, 200 mV5.12011Min Ib at any price.Least I_bias. Stupid expensive
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OPA2145
OPA2145IDR $ 3.65 402800.150.8210600V- to V+ - 3.5R2R, 100 mV7205.5Non-R2R upgrade pick from 197.In-to-V+, 10 MHz GBW of '197.Best Ib @ 85 C. Great tempco. Upgrade pick over '197 if you don't need CM In to V+.
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OPA2156
OPA2156IDR $ 3.09 253000.53540R2RR2R, 200 mV44025R2R / best-slew & noise upgrade from 197Top-placing noise, GBW & slewTrue zero drift or exceptional Vos. Beyond that, this is super grade.Separate NMOS/PMOS stats.
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OPA2172OPA2172IDR $ 2.78 20010000.3?1.8815V- to V+ - 2VR2R, 90 mV71010OPA172, 4172 have typ dVdT, 2172 worst-case only.
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OPA2180OPA2180IDR $ 2.67 15750.10.3525010005000V- to V+ - 1.5VR2R, 250 mV100.82Better V_CM in than 182Low Ib, high slew / GBW188 is same flavor but tighter Vos, dV/dT, typ Ib, but +$1 price.
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OPA2182OPA2182IDR $ 2.88 0.4540.0030.01250350V- to V+ - 2.5VR2R, 110 mV5.7105Best Vos, amazing tempcoLow Ib, In to V+.Zero drift … higher Ib than I'd like.
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OPA2187OPA2187IDR $ 2.95 1100.0010.015100350V- to V+ - 2VR2R, 100 mV150.20.55Best tempco, great Vos, better V+ than '182Low Ib, In to V+. Any real slew speed or bandwidthZero drift, better CM than '182.
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OPA2188
OPA2188AIDR
$ 3.87 6250.030.085160140018000V- to V+ - 1.5VR2R, 220 mV8.80.82
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OPA2189OPA2189IDR $ 3.87 1.550.0070.0370300V- to V+ - 2.5VR2R, 110 mV5.22014Great Vos, High GBWLow Ib, In to V+.Zero drift. Amazing gain*bandwidth.
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OPA2191OPA2191IDR $ 3.62 5750.10.8520R2RR2R, 110 mV1552.5Pay +$1 vs the zero-drift options for R2R input with still pretty-amazing Vos, dV/dT, Ib.Minimal voltage noise, super-high slew/GBWAlmost a '192 in Vos, dV/dT, Ib, but not quite the extreme price. Noisier, and GBW is nothing to write home about, but still much better than a chopper / INA.
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OPA2192
OPA2192IDR $ 4.53 5500.10.5520R2RR2R, 110 mV5.52010Upgrade from 2145. Best luxury precision pick.Money is no object for quality.Cost sensitivityExtremely good in SRC100N. Crossover @ V+ - 1.5V is slightly worse spec
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OPA2196OPA2196IDR $ 2.39 251000.52.5520R2RR2R, 110 mV155.52.5Slightly cheaper '197; not as good GBW / slew; lower Iq.Similar to '197. Max dVdT inferred, not spec'd. Better CMRR than 197. Lower I_q than 197 per channel, if power consumption matters. Unimpressive slew rate (7.5 rising, 5.5 falling).
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OPA2197
OPA2197IDR $ 2.60 251000.52.5520R2RR2R, 125 mV5.52010Economic low-Vos, low-tempco, low-Ib R2R.Low Vos, tempco, low Ib.Best all-around compromise. Lower noise than 196, and better GBW, Slew, THD, overload recovery, and lower Z_o.
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OPA2205A
OPA2205ADR $ 3.34 4250.080.5100500750
V- + 1 to V+ - 1.4V
R2R, 200 mV7.243.6Low IbVery strong tempco perf. Best common-mode of a low-drift amp
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OPA2206A
OPA2206ADR $ 3.61 4250.080.51005001000
V- + 1 to V+ - 1.4V
R2R, 200 mV843.6Low IbSlightly worse than 2205A on Ib and slightly more expensive?
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OPA2991
OPA2991IDR $ 1.92 1257500.31.51050R2RR2R, 55 mV10.8214.5Best R2R low-tempco, min-Ib pick with decent Vos. Great value for money.Best tempco & Ib for the moneyuV-level Vos or 10 MHz GBWSo-so Vos but great dVdT and Ib. Modest (4.5 MHz) GBW, 21V/us slew. Best Isc (75mA), < 1 mA/channel Iq.
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OPA2992
OPA2992IDR $ 2.72 21010000.251.251050R2RR2R, 60 mV73210Faster slew/GBW, slightly better tempco than 2991, and don't mind worse Vos, Iq, cost.Perfect Vos, low power consumptionSo-so Vos but great dVdT and Ib. High GBW (10 MHz), slew rate (32V/us) & current drive. Ultra fast settling & recovery times. Best R2R out. High current (2.4mA/channel.)
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TL072HTL072HIDR $ 0.45 100040002101120V- + 1.5 to V+R2R, 210 mV37205.25Budgetlow cost utility opampPrecisionCheap and cheerful
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