INA240 –4-V to 80-V, Bidirectional, Ultra-Precise Current Sense Amplifier With Enhanced PWM Rejection

1 Features

Enhanced PWM Rejection
Excellent CMRR:
- 132-dB DC CMRR
- 93-dB AC CMRR at 50 kHz
Wide Common-Mode Range: –4 V to 80 V
Accuracy:
- Gain:
  - Gain Error: 0.20% (Maximum)
  - Gain Drift: 2.5 ppm/°C (Maximum)
- Offset:
  - Offset Voltage: ±25 μV (Maximum)
  - Offset Drift: 250 nV/°C (Maximum)
Available Gains:
- INA240A1: 20 V/V
- INA240A2: 50 V/V
- INA240A3: 100 V/V
- INA240A4: 200 V/V
Quiescent Current: 2.4 mA (Maximum)