Datasheet Summary
INA191, INA2191
SLYS020C
- FEBRUARY 2019
- REVISED AUGUST 2021
INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package
1 Features
- Low power:
- Supply voltage, VS: 1.7 V to 5.5 V
- Shutdown current: 100 nA (max INA191)
- Quiescent current: 43 μA at 25 °C (INA191)
- Low input bias currents: 100 pA (typical) (enables microamp current measurement)
- Bidirectional current measurement (INA2191)
- Accuracy:
- ±0.25% max gain error (A2 to A5 devices)
- 7-ppm/°C gain drift (maximum)
- ±12 μV (maximum) offset voltage
- 0.13-μV/°C offset drift (maximum)
- Wide mon-mode voltage:
- 0.2 V to +40 V
- Gain options:
- INAx191A1: 25 V/V
- INAx191A2:...