LMP8645 - Precision High Voltage Current Sense Amplifier

National

LMP8645 Datasheet Preview — Preview of LMP8645 PDF

Datasheet Details

Part number	LMP8645
Manufacturer	National
File Size	428.08 KB
Description	Precision High Voltage Current Sense Amplifier
Datasheet	LMP8645_National.pdf

LMP8645 Product details

Description

The LMP8645 and the LMP8645HV 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.
LMP8645 -2V to 76V.
LMP8645HV 2.7V to 12V.
Supply voltage range.
Gain configurable with a single resistor.
Max variable gain accuracy (with external resistor) 2.0% 200 μA/V.
Transconductance 1 mV.
Low offset voltage 12 μA.
Input bias 90 dB.
PSRR 95 dB.
CMRR.
40°C to 125°C.
Temperature range.
6-Pin TSOT Package.

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Published: Jan 11, 2010 |