INA281, –4-V to 110-V, 1.3-MHz Current-Sense Amplifier

1 Features

Wide common-mode voltage:
- Operational voltage: −4 V to +110 V
- Survival voltage: −20 V to +120 V
Excellent CMRR:
- 120-dB DC CMRR
- 65-dB AC CMRR at 50 kHz
Accuracy:
- Gain:
  - Gain error: ±0.5% (maximum)
  - Gain drift: ±20 ppm/°C (maximum)
- Offset:
  - Offset voltage: ±55 µV (typical)
  - Offset drift: ±0.1 µV/°C (typical)
Available gains:
- INA281A1, INA281B1 : 20 V/V
- INA281A2, INA281B2 : 50 V/V
- INA281A3, INA281B3 : 100 V/V
- INA281A4, INA281B4 : 200 V/V
- INA281A5, INA281B5 : 500 V/V
High bandwidth: 1.3 MHz
Slew rate: 2.5V/µs
Quiescent current: 1.5 mA