INA186A5IDDFR

Overview

The INA186A5IDDFR is a high-precision, bidirectional current sense amplifier manufactured by Texas Instruments. It features a fixed gain of 500 V/V and operates within a supply voltage range of 1.7 V to 5.5 V. The device supports a common-mode voltage range from -200 mV to 40 V, enabling accurate measurements in high-side configurations. Key electrical specifications include a maximum input offset voltage of 3 µV, an input bias current of 500 pA, and a gain error of 0.04%. It offers a bandwidth of 27 kHz and consumes 90 µA of quiescent current. The component is housed in a DSBGA-6 package and functions reliably across an operating temperature range of -40°C to +125°C.

Feature Summary

• Provides high-precision bidirectional current sensing with a fixed gain of 500 V/V for accurate signal amplification.
• Supports wide common-mode voltage operation ranging from -200 mV to 40 V for versatile high-side monitoring.
• Delivers ultra-low input offset voltage and bias current to minimize measurement errors in precision applications.

Applications

• High-side current monitoring in industrial automation systems
• Battery management and protection circuits in portable devices
• Overcurrent detection in motor control applications

Procurement Notes

Verify the specific suffix IDDFR against the manufacturer's official documentation to confirm the exact package type and reel specifications. Ensure compatibility with your PCB footprint design, as this model utilizes a DSBGA-6 package. Cross-reference the datasheet revision date to confirm that all electrical parameters match your system requirements before finalizing procurement orders.

Selection Notes

Select this component when a fixed high gain of 500 V/V is required for precise low-level signal detection. It is suitable for designs needing wide common-mode voltage tolerance up to 40 V while maintaining low power consumption. Consider the DSBGA-6 package constraints for space-limited layouts. Verify thermal performance within the specified -40°C to +125°C range for your intended environment.

Part Context

This part belongs to the INA186 series of zero-drift current sense amplifiers from Texas Instruments. The series is characterized by high accuracy and low power consumption, making it ideal for battery-powered and precision measurement applications. The A5 variant specifically denotes the fixed 500 V/V gain configuration, distinguishing it from other gain options within the same family.

FAQ

What is the fixed voltage gain of the INA186A5IDDFR?

The INA186A5IDDFR has a fixed internal gain of 500 V/V.

Does this amplifier support bidirectional current measurement?

Yes, the INA186A5IDDFR is designed for bidirectional current sensing, allowing it to measure both positive and negative currents relative to the common-mode voltage.