AD8422ARZ Rail-to-Rail Precision Instrumentation Amplifier

3.-

10.10.2026

8048, Zurich 48

AD8422 ARZ High Performance, Low Power, Rail-to-Rail Precision Instrumentation Amplifier
The AD8422 is a high precision, low power, low noise, rail-to-rail
instrumentation amplifier that delivers the best performance per unit
microampere in the industry. The AD8422 processes signals with
ultralow distortion performance that is load independent over its full
output range.
Low power: 368 A maximum quiescent current
Rail-to-rail output
Low noise and distortion
8 nV/Hz maximum input voltage noise at 1 kHz
0.15 V p-p RTI noise (G = 100)
0.5 ppm nonlinearity with 2 k load (G = 1)
Excellent ac specifications
80 dB minimum CMRR at 10 kHz (G = 1)
2.2 MHz bandwidth (G = 1)
High precision dc performance (AD8422BRZ)
150 dB minimum CMRR (G = 1000)
0.04% maximum gain error (G = 1000)
0.3 V/°C maximum input offset drift
0.5 nA maximum input bias current
Wide supply range
4.6 V to 36 V single supply
±2.3 V to ±18 V dual supply
Input overvoltage protection: 40 V from opposite supply
Gain range: 1 to 1000

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