INA190-EP Bidirectional, Low-Power, Zero-Drift, Wide Dynamic Range, Precision Current Sense Amp With Enable

1 Features

Supports Defense, Aerospace, and Medical Applications:
- Temperature range: –55°C to +150°C, T_A
- Controlled Baseline
- One Assembly/Test Site
- One Fabrication Site
- Extended Product Life Cycle
- Extended Product-Change Notification
- Product Traceability
Low input bias currents: 500 pA (typical)
(enables microamp current measurement)
Low power:
- Low supply voltage, V_S: 1.7 V to 5.5 V
- Low quiescent current: 50 μA at 25°C (typical)
Accuracy:
- Common-mode rejection ratio: 132 dB (minimum)
- Gain error: ±0.2% (A1 device)
- Gain drift: 7 ppm/°C (maximum)
- Offset voltage, V_OS: ±15 μV (maximum)
- Offset drift: 80 nV/°C (maximum)
Wide common-mode voltage: –0.2 V to +40 V
Bidirectional current sensing capability
Gain options:
- INA190A1-EP: 25 V/V
- INA190A2-EP: 50 V/V
- INA190A3-EP: 100 V/V
- INA190A4-EP: 200 V/V
- INA190A5-EP: 500 V/V