INA381A3IDGSR

Current Regulation/Management Overview

The INA381A3IDGSR is a single-channel current sense amplifier from Texas Instruments, housed in a VSSOP-10 package. It features a fixed gain of 100 V/V and supports a common-mode voltage range up to 26 V. The device operates on a supply voltage between 2.7 V and 5.5 V with a typical quiescent current of 350 uA. Key electrical specifications include a 150 kHz bandwidth, 100 dB CMRR, 100 uV input offset voltage, and 0.1% gain error. It functions within a temperature range of -40°C to +125°C.

Current Regulation/Management Feature Summary

• Provides high-side current sensing capability with support for common-mode voltages up to 26 V.
• Delivers precise amplification with a fixed gain of 100 V/V and low gain error.
• Integrates high common-mode rejection ratio to maintain accuracy in noisy environments.

Current Regulation/Management Applications

• Industrial process control systems
• Power supply monitoring circuits
• Battery management systems

Current Regulation/Management Procurement Notes

Verify the specific suffix IDGSR corresponds to the VSSOP-10 package and tape-and-reel delivery format. Confirm RoHS compliance status through official manufacturer documentation before integration. Ensure the selected grade matches the required precision specifications for the target application environment.

Current Regulation/Management Selection Notes

Select this component when a fixed gain of 100 V/V is required for high-side current measurement. It is suitable for applications needing a 26 V common-mode voltage range and operation within a 2.7 V to 5.5 V supply domain. Consider the VSSOP-10 footprint for space-constrained designs requiring surface-mount installation.

Current Regulation/Management Part Context

This part belongs to the INA381 series of current sense amplifiers designed by Texas Instruments. The series focuses on providing accurate current monitoring solutions for industrial and commercial applications. The IDGSR variant specifically denotes the surface-mount packaging configuration available for automated assembly processes.

Current Regulation/Management FAQ

What is the maximum common-mode voltage supported by the INA381A3IDGSR?

The device supports a common-mode voltage range up to 26 V.

Does the INA381A3IDGSR have an adjustable gain?

No, it has a fixed gain of 100 V/V.