LMP8640MKX-H/NOPB

Instrumentation, Op Amps, Buffer Amps Overview

The LMP8640MKX-H/NOPB is a precision current sensing amplifier manufactured by Texas Instruments. It features a fixed voltage gain of 100 V/V and operates within a supply voltage range of 2.7 V to 12 V. The device supports high common-mode voltages up to 76 V, enabling accurate measurements in high-side configurations. It is housed in a compact SOT-23-6 surface-mount package and is rated for operation across an extended temperature range from -40°C to +125°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Provides a fixed internal gain of 100 V/V for simplified circuit design
• Supports high common-mode voltage ranges up to 76 V
• Operates on low supply voltages starting at 2.7 V

Instrumentation, Op Amps, Buffer Amps Applications

• High-side current monitoring in industrial systems
• Battery management system (BMS) current sensing
• Motor control applications requiring precise current feedback

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'H' against official Texas Instruments documentation to confirm the fixed gain configuration. Ensure the ordering part number matches the required tape-and-reel packaging format. Cross-reference the datasheet revision date to guarantee compatibility with your design specifications before finalizing procurement.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when a fixed gain of 100 V/V is required for high-side current sensing. It is suitable for designs needing operation with supply voltages as low as 2.7 V. Consider the SOT-23-6 package for space-constrained PCB layouts. Verify that the input common-mode voltage requirements do not exceed the specified maximum limits.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the LMP864x family of precision current sense amplifiers from Texas Instruments. These devices are designed for robust performance in demanding environments. The family includes variants with different gain options and package types to suit various application needs while maintaining high accuracy and reliability standards.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Consult the official Texas Instruments replacement guide for verified cross-reference part numbers. Do not assume functional equivalence with other current sense amplifiers without verifying pinout compatibility and electrical parameter alignment.