LMP8640-Q1, LMP8640 - Precision High Voltage Current Sense Amplifier

Texas Instruments

The LMP8640-Q1 by Texas Instruments is a Precision High Voltage Current Sense Amplifier. Below is the official datasheet preview.

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LMP8640-Q1 Precision High Voltage Current Sense Amplifier by Texas Instruments - Datasheet Preview — Official preview page of the **LMP8640-Q1** Precision High Voltage Current Sense Amplifier datasheet (Texas Instruments).

Datasheet Details

Part number	LMP8640-Q1, LMP8640
Manufacturer	Texas Instruments
File Size	1.03 MB
Description	Precision High Voltage Current Sense Amplifier
Datasheet	LMP8640-etcTI.pdf
Note	This datasheet PDF includes multiple part numbers: LMP8640-Q1, LMP8640. Please refer to the document for exact specifications by model.
Additional preview pages of the LMP8640-Q1 datasheet.

LMP8640-Q1 Product details

Description

The LMP8640, LMP8640-Q1 and the LMP8640HV are precision current sense amplifiers that detect small differential voltages across a sense resistor in the presence of high input common mode voltages with a supply voltage range from 2.7 V to 12 V.

Features

1 Typical Values, TA = 25°C.
High Common-Mode Voltage Range.
LMP8640: -2 V to 42 V.
LMP8640-Q1: -2 V to 42 V, AEC-Q100.
LMP8640HV: -2 V to 76 V.
Supply Voltage Range: 2.7 V to 12 V.
Gain Options: 20 V/V; 50 V/V; 100 V/V.
Max Gain Error: 0.25%.
Low Offset Voltage: 900 µV.
Input Bias Current: 13 µA.
PSRR: 85 dB.
CMRR (2.1V to 42V): 103 dB.
Temperature Range: -40°C to 125°C.

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Published: Mar 29, 2025 |