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LT1990

Part Number	LT1990
Manufacturer	Linear Technology
Description	Difference Amplifier
Published	Sep 24, 2005
Detailed Description	LT1990 ±250V Input Range G = 1, 10, Micropower, Difference Amplifier DESCRIPTIO The LT®1990 is a micropower precision di...
Datasheet	LT1990 PDF File

Overview

LT1990 ±250V Input Range G = 1, 10, Micropower, Difference Amplifier DESCRIPTIO The LT®1990 is a micropower precision difference amplifier with a very high common mode input voltage range.
It has pin selectable gains of 1 or 10.
The LT1990 operates over a ±250V common mode voltage range on a ±15V supply.
The inputs are fault protected from common mode voltage transients up to ±350V and differential voltages up to ±500V.
The LT1990 is ideally suited for both high side and low side current or voltage monitoring.
On a single 5V supply, the LT1990 has an adjustable 85V input range, 70dB min CMRR and draws less than 120µA supply current.
The rail-to-rail output maximizes the dynamic range, especi...

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