Current Sense Amplifier from Texas Instruments. The INA181A2IDBVR features a fixed gain of 20V/V for precise bidirectional current measurement across a shunt resistor, with excellent common-mode rejection and low offset.
Key Specifications:
- Gain: 20V/V (fixed, A2 variant)
- Common-Mode Voltage: -0.2V to +26V
- Offset Voltage: ±150µV (max)
- Bandwidth: 150kHz (−3dB)
- Supply Voltage: 2.7V to 5.5V
- Package: SOT-23-6
Applications: Motor current monitoring, battery management (charge/discharge), overcurrent protection circuits, power supply load monitoring, and precision current measurement in industrial and automotive systems.

