LMP8640 Precision High Voltage Current Sense Amplifier

National Semiconductor

Description

LMP8640/LMP8640HV Precision High Voltage Current Sense Amplifier September 7, 2010 LMP8640/LMP8640HV Precision High Voltage Current Sense Amplifier .
The LMP8640 and the LMP8640HV are precision current sense amplifiers that detect small differential voltages across a sense resistor in the presence o.

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Datasheet Specifications

Part number: LMP8640
Manufacturer: National Semiconductor
File Size: 1.10 MB
Datasheet: LMP8640_NationalSemiconductor.pdf
Description: Precision High Voltage Current Sense Amplifier

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

Applications

* that demand accuracy over temperature. The LMP8640 and LMP8640HV come out with three different fixed gains 20V/V, 50V/V, 100V/V ensuring a gain accuracy as low as 0.25%. The output is buffered in order to provide low output impedance. This high side current sense amplifier is ideal for sensing and m

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LMP8640-Q1 LMP8640HV LMP8645 LMP8645HV LMP8646 LMP8601

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LMP8640 Precision High Voltage Current Sense Amplifier National Semiconductor

National Semiconductor LMP8640-like datasheet