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LMP8645 - Precision High Voltage Current Sense Amplifier

General Description

The LMP8645 and the LMP8645HV devices are precision current sense amplifiers that detect small differential voltages across a sense resistor in the presence of high-input common-mode voltages.

Key Features

  • Typical Values, TA = 25°C.
  • High Common-Mode Voltage Range.
  • LMP8645.
  • 2 V to 42 V.
  • LMP8645HV.
  • 2 V to 76 V.
  • Supply Voltage Range 2.7 V to 12 V.
  • Gain Configurable With a Single Resistor.
  • Maximum Variable Gain Accuracy (With External Resistor) 2%.
  • Transconductance 200 μA/V.
  • Low Offset Voltage 1 mV.
  • Input Bias 12 μA.
  • PSRR 90 dB.
  • CMRR 95 dB.
  • Temperature Range.
  • 40.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LMP8645, LMP8645HV SNOSB29H – NOVEMBER 2009 – REVISED MAY 2022 LMP8645, LMP8645HV Precision High Voltage Current Sense Amplifier 1 Features • Typical Values, TA = 25°C • High Common-Mode Voltage Range – LMP8645 –2 V to 42 V – LMP8645HV –2 V to 76 V • Supply Voltage Range 2.