• Part: LMP8481
  • Description: Precision 76-V High-Side Current Sense Amplifier
  • Manufacturer: Texas Instruments
  • Size: 2.64 MB
LMP8481 Datasheet (PDF) Download
Texas Instruments
LMP8481

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 mon-mode voltages.

Key Features

  • 1 Typical Values: TA = 25°C
  • Bidirectional or Unidirectional Sensing
  • 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

Applications

  • High-Side Current Sense