INA199A2RSWT

Current Regulation/Management Overview

The INA199A2RSWT is a single-channel, bidirectional current sense amplifier from the Texas Instruments INA199 series. It features a fixed gain of 100 V/V and operates within a supply voltage range of 2.7 V to 26 V. The device supports high-side and low-side sensing with a common-mode voltage up to 12 V. Key electrical specifications include an input offset voltage of 5 µV, a gain error of 0.03%, and a power consumption of 115 µA. It provides a CMRR of 120 dB and a bandwidth of 30 kHz.

Current Regulation/Management Feature Summary

• Zero-drift architecture ensures minimal input offset voltage drift over temperature
• Bidirectional operation enables accurate measurement of both positive and negative currents
• High accuracy with specified gain error of 0.03% for precise monitoring applications

Current Regulation/Management Applications

• Battery management systems in portable electronics
• Overcurrent protection in industrial equipment
• Load switching control circuits

Current Regulation/Management Procurement Notes

Verify the specific suffix 'WT' against official documentation to confirm tape-and-reel packaging details. Ensure the A2 grade matches required accuracy levels. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement orders.

Current Regulation/Management Selection Notes

Select this component when zero-drift performance is critical for long-term stability. The 100 V/V gain suits applications requiring high resolution for small shunt voltages. Verify that the 12 V common-mode limit aligns with the system's bus voltage requirements.

Current Regulation/Management Part Context

This part belongs to the INA199 family of ultra-precise, zero-drift current sense amplifiers. It shares architectural similarities with other members like the INA199A2RSWR but differs in packaging configuration. The series is designed for high-accuracy applications where temperature stability is paramount.

Current Regulation/Management Replacement Considerations

INA199A2RSWR serves as a pin-compatible alternative with identical electrical characteristics but utilizes a reel package instead of cut tape.