Product Overview
The AD8422ARZ-R7 is a high precision, low power, rail-to-rail instrumentation amplifier from Analog Devices in 8-SOIC_N on tape & reel. It delivers 8nV/rtHz input noise, 150dB CMRR (G=1000), and only 330µA supply current. A single resistor sets gain from 1 to 1000.
Key Specifications
| Manufacturer | Analog Devices |
| Type | Instrumentation Amplifier |
| Channels | 1 |
| Supply Voltage | ±2.3V to ±18V / 4.6V to 36V |
| Quiescent Current | 330 µA max |
| Input Noise | 8 nV/√Hz @ 1kHz |
| CMRR (G=1) | 86 dB min |
| CMRR (G=1000) | 146 dB min |
| Bandwidth (G=1) | 2.2 MHz |
| Slew Rate | 0.8 V/µs |
| Gain Range | 1 to 1000 |
| Output | Rail-to-Rail |
| Temperature | -40°C to +85°C |
| Package | 8-SOIC_N |
Features
- 330µA max quiescent current
- Rail-to-rail output
- 8nV/√Hz, 0.15µV p-p RTI (G=100)
- 150dB CMRR (G=1000)
- Gain 1-1000 via single resistor
- 40V input overvoltage protection
Applications
- Medical instrumentation (ECG, EEG, EMG)
- Industrial strain gage measurement
- Precision data acquisition
- Portable instrumentation