Texas Instruments Current Shunt Monitor Single Supply 2.7-18V 900µA SOT-23 5-Pin INA197AIDBVT

Texas Instruments INA197AIDBVT is a high-performance current shunt monitor designed for accurate current sensing in industrial and electronic applications. Operating on a single power supply from 2.7V up to 18V, this device offers a low supply current of 900µA, making it suitable for low-power systems. Packaged in a compact 5-pin SOT-23 surface-mount package, it simplifies PCB design while ensuring robust performance.

The INA197 series device provides a common mode rejection ratio (CMRR) of 80dB, which minimizes noise and improves measurement accuracy even in noisy environments. Its gain bandwidth product (GBP) of 300kHz supports moderate frequency applications. The product supports an operating temperature range from -40°C to 125°C, enabling use in automotive and industrial environments without degradation of performance.

This current sensing amplifier delivers an analog voltage output proportional to the voltage drop across a low-value shunt resistor, allowing precise current and power measurement for real-time system protection, feedback control, and high-accuracy system monitoring. The single-channel configuration is tailored for space-constrained designs requiring reliable current measurement.

The SOT-23 5-pin package allows easy surface mounting in modern PCB assemblies and provides mechanical reliability. While this device does not have automotive certification, it is widely used in various electronic circuits requiring stable current sensing.

Operates on a single power supply voltage between 2.7V and 18V. Low current consumption of 900µA suitable for portable and embedded systems. High common mode rejection ratio of 80dB improves noise immunity. Gain bandwidth product of 300kHz supports dynamic current sensing.

Compact 5-pin surface mount SOT-23 package for space saving. Wide operating temperature range from -40°C to 125°C ensures durability. Single channel design for simplified system integration. Suitable for industrial, laboratory, industrial automation, and power management applications.

This component is essential for engineers designing current measurement circuits in applications such as power supplies, motor control, battery management systems, and industrial instrumentation. The precise and reliable performance of the INA197AIDBVT supports improved system protection and efficiency.

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