Current sense amp with 450 kHz bandwidth
The LMP8640HVMKE-F/NOPB is a single-channel current sense amplifier from Texas Instruments, built to measure current on a high-side or low-side shunt with a 450 kHz gain-bandwidth product and a 1.8 V/µs slew rate.
DC precision and input bias
Supply current is 2.3 mA, which is moderate for a precision current sense amp but not a low-power sleep-mode part.
Package and board-fit
Supplied in a TSOT-23-6 (SOT-23-Thin) package, the footprint is the same as a standard SOT-23-6 but with a thinner body — 0.9 mm seated height vs 1.1 mm for the regular SOT-23. The thin profile helps when the PCB sits behind a display or in a tight enclosure. Surface-mount assembly with standard reflow profile; no underfill needed for the temperature range.