LMP8640 Datasheet PDF (Precision High Voltage Current Sense Amplifier)

LMP8640 - Precision High Voltage Current Sense Amplifier

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.

Datasheet Details

Part number	LMP8640
Manufacturer	Texas Instruments
File Size	1.03 MB
Description	Precision High Voltage Current Sense Amplifier
Datasheet	LMP8640 Datasheet
Additional preview pages of the LMP8640 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMP8640, LMP8640-Q1, LMP8640HV SNOSB28G – AUGUST 2010 – REVISED NOVEMBER 2014 LMP8640/-Q1/HV Precision High Voltage Current Sense Amplifiers 1 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.

Published: Mar 29, 2025 |