Instrumentation Amplifiers

Analog Devices instrumentation amplifiers (in-amps) are precision gain blocks that have a differential input and an output that may be differential or single-ended with respect to a reference terminal. These devices amplify the difference between two input signal voltages while rejecting any signals that are common to both inputs. The in-amps are widely used in many industrial, measurement, data acquisition, and medical applications where dc precision and gain accuracy must be maintained within a noisy environment, and where large common-mode signals (usually at the ac power line frequency) are present.
Product Selection Table

In-Amp Diamond Plot Tool

The Diamond Plot Tool is a web application that generates a configuration-specific Output Voltage Range vs. Input Common-Mode Voltage graph, also known as the Diamond Plot, for Analog Devices Instrumentation Amplifiers. Based on user inputs such as supply voltage, gain, and input signal range, the tool detects saturation and recommends in-amps for which the input signal is in-range and the configuration is valid. Avoid saturation, find the best in-amp for your design, and save time.

In-Amp Diamond Plot Tool

Instrumentation Amplifiers

Instrumentation Amplifiers

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Instrumentation Amplifiers

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SortOrderPart#Gain ControlGain (min)
(V/V)
Gain (max)
(V/V)
Input Voltage Noise (typ)
(V/rtHz)
Bandwidth - low gain (typ)
(Hz)
Iq/Amp (max)
(A)
Vsupply span (min)
(V)
Vsupply span (max)
(V)
Ibias (max)
(A)
Amps per PackageUS Price 1000 to 4999
($ US)
1AD8422 Resistor 1 1000- 2.2M 300µ 3.6 36 500p 1 $2.10
2AD8232 Fixed Gain 100 100- 2k 230µ 2 3.5 200p 1 $1.36
3AD8237Reference Circuit Available Resistor 1 10000 70n 200k 130µ 1.8 5.5 650p 1 $0.93
4AD8421 Resistor 1 1000 3.2n 10M 2.3m 5 36 1n 1 $2.35
5AD8420Reference Circuit Available Resistor 1 1000 45n 250k 100µ 2.7 36 27n 1 $0.89
6AD8428 Fixed Gain 2000 2000 1.3n 3.5M 6.8m 8 36 50n 1 $6.60
7AD8426 Resistor 1 1000 24n 1.5M 425µ 2.2 36 30n 2 $2.20
8AD8488- 1 10-- 350m 4.75 5.25- 128 $64.00
9AD8429 Resistor 1 1000 1n 15M 7m 8 36 150n 1 $3.50
10AD8229 Resistor 1 1000 1n 15M 7m 8 34 70n 1 $150.00
11AD8235 Resistor 5 200 70n 23k 40µ 1.8 5.5 50p 1 $0.99
12AD8236 Resistor 5 200 70n 23k 40µ 1.8 5.5 10p 1 $0.99
13AD8227Reference Circuit Available Resistor 5 1000 24n 250k 425µ 2.2 36 27n 1 $1.04
14AD8226Reference Circuit Available Resistor 1 1000 22n 1.5M 425µ 2.2 36 27n 1 $1.05
15AD8295Reference Circuit Available Resistor 1 1000 8n 1.2M 2.3m 4.6 36 800p 1 $2.03
16AD8223 Resistor 5 1000 30n 125k 500µ 3 24 25n 1 $1.05
17AD8253Reference Circuit Available Digital 1 1000 10n 10M 5.3m 10 30 50n 1 $4.95
18AD8228 Pin Strap 10 100 9n 650k 1m 4.6 36 600p 1 $3.03
19AD8557 Digital 28 1300 32n 600k- 2.7 5.5 25n 1 $2.13
20AD8290 Fixed Gain 50 50 35n 250- 2.6 5.5 1n 1 $1.52
21AD8251 Digital 1 8 18n 10M 4.5m 10 34 30n 1 $5.01
22AD8231 Digital 1 128 32n 2.7M 5m 3 6 500p 1 $1.71
23AD8250 Digital 1 10 18n 10M 4.5m 10 30 30n 1 $5.01
24AD8224 Resistor 1 1000 14n 1.5M 800µ 4.5 36 10p 2 $4.17
25AD8222 Resistor 1 1000 8n 1.2M 1.1m 4.6 36 1n 2 $3.63
26AD8220Reference Circuit Available Resistor 1 1000 14n 1.5M 750µ 4.5 36 25p 1 $2.32
27AD8553 Resistor 1 1000 27n 1k 1.2m 1.8 5.5 1n 1 $1.32
28AD8556 Digital 70 1280 32n 280k 2.7m-- 54n 1 $2.88
29AD8230 Resistor 2 1000 240n 2k 4m 8 16 1n 1 $2.99
30AD8221Reference Circuit Available Resistor 1 1000 8n 825k 1m 4.6 36 400p 1 $2.01
31AD8225 Fixed Gain 5 5 45n 900k 1.2m 3.4 36 1.2n 1 $3.36
32AD627 Resistor 5 1000 38n 80k 85µ 2.2 36 10n 1 $2.61
33AD623 Resistor 1 1000 35n 800k 550µ 2.7 12 25n 1 $1.43
34AD622 Resistor 1 1000 12n 1M 1.3m 5.2 36 5n 1 $2.56
35AMP04 Resistor 1 1000 25n 700k 900µ 5 36 30n 1 $5.60
36AD621 Pin Strap 10 100 9n 800k 1.3m 4.6 18 1n 1 $4.34
37AD620Reference Circuit Available Resistor 1 10000 9n 1M 1.3m 4.6 36 1n 1 $3.38
38AMP02 Resistor 1 10000 9n 1.2M 6m 9 36 10p 1 $6.16
39AD526- 1 16- 350k- 9 33-- $7.54
40AD625 Resistor 1 10000 4n 650k 5m 12 36 15n 1 $10.35
41AMP01 Resistor 0.1 10000 5n 570k 4.8m 9 36 4n 1 $10.44
42AD624 Pin Strap 1 1000 4n 1M 5m 12 36 50n 1 $16.56
43AD524 Pin Strap 1 1000 7n 1M 5m 12 36 15n 1 $10.47
44AD522---- 30k- 10 36---