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LMP8645HV - Precision High Voltage Current Sense Amplifier

This page provides the datasheet information for the LMP8645HV, a member of the LMP8645 Precision High Voltage Current Sense Amplifier family.

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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Datasheet preview – LMP8645HV

Datasheet Details

Part number LMP8645HV
Manufacturer National
File Size 428.08 KB
Description Precision High Voltage Current Sense Amplifier
Datasheet download datasheet LMP8645HV Datasheet
Additional preview pages of the LMP8645HV datasheet.

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Full PDF Text Transcription

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LMP8645/LMP8645HV Precision High Voltage Current Sense Amplifier January 7, 2010 LMP8645/LMP8645HV Precision High Voltage Current Sense Amplifier General 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. The LMP8645 accepts input signals with common mode voltage range from -2V to 42V, while the LMP8645HV accepts input signal with common mode voltage range from -2V to 76V. The LMP8645 and LMP8645HV have adjustable gain for applications where supply current and high common mode voltage are the determining factors.
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