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LMP8480 - Precision 76-V High-Side Current Sense Amplifier

General Description

The LMP8480 and LMP8481 are precision high-side current sense amplifiers that amplify a small differential voltage developed across a current sense resistor in the presence of high input common-mode voltages.

Key Features

  • 1 Typical Values: TA = 25°C.
  • Bidirectional or Unidirectional Sensing.
  • Common Mode Voltage Range: 4.0 V to 76 V.
  • Supply Voltage Range: 4.5 V to 76 V.
  • Fixed Gains: 20, 60, and 100 V/V.
  • Gain Accuracy: ±0.1%.
  • Offset: ±80 µV.
  • Bandwidth (.
  • 3 dB): 270 kHz.
  • Quiescent Current: < 100 µA.
  • Buffered High-Current Output: > 5 mA.
  • Input Bias Current: 7 µA.
  • PSRR (DC): 122 dB.
  • CMRR (DC): 124.

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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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Product Folder Order Now Technical Documents Tools & Software Support & Community LMP8480, LMP8481 SNVS829E – MARCH 1999 – REVISED FEBRUARY 2017 LMP848x Precision 76-V High-Side Current Sense Amplifiers With Voltage Output 1 Features •1 Typical Values: TA = 25°C • Bidirectional or Unidirectional Sensing • Common Mode Voltage Range: 4.0 V to 76 V • Supply Voltage Range: 4.5 V to 76 V • Fixed Gains: 20, 60, and 100 V/V • Gain Accuracy: ±0.