LMP8640 - Precision High Voltage Current Sense Amplifier

Product Overview

National Semiconductor

Datasheet Details

Part number	LMP8640
Manufacturer	National Semiconductor
File Size	1.10 MB
Description	Precision High Voltage Current Sense Amplifier
Datasheet	LMP8640 Datasheet
Additional preview pages of the LMP8640 datasheet.

Product details

Description

The LMP8640 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 2.7V to 12V.

Features

Typical values, TA = 25°C.
High common-mode voltage range -2V to 42V.
LMP8640 -2V to 76V.
LMP8640HV 2.7V to 12V.
Supply voltage range 20V/V; 50V/V; 100V/V.
Gain options 0.25%.
Max gain error 900µV.
Low offset voltage 13 μA.
Input bias current 85 dB.
PSRR 103 dB.
CMRR (2.1V to 42V) -40°C to 125°C.
Temperature range.
6-Pin TSOT Package.

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Published: Jan 10, 2014 |