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ACS71240 - Galvanically Isolated Current Sensor

General Description

The Allegro™ ACS71240 current sensor IC is an economical and precise solution for AC or DC current sensing in industrial, automotive, commercial, and communications applications.

Key Features

  • AEC-Q100 automotive qualified.
  • Differential Hall sensing rejects common-mode fields.
  • Integrated shield virtually eliminates capacitive coupling from current conductor to die, greatly suppressing output noise due to high dv/dt transients.
  • Industry-leading noise performance with greatly improved bandwidth through proprietary amplifier and filter design techniques.
  • High bandwidth 120 kHz analog output for faster response times in control.

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Full PDF Text Transcription (Reference)

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ACS71240 Automotive-Grade, Galvanically Isolated Current Sensor IC with Common-Mode Field Rejection and Overcurrent Detection in Small Footprint Low-Profile Packages FEATURES AND BENEFITS • AEC-Q100 automotive qualified • Differential Hall sensing rejects common-mode fields • Integrated shield virtually eliminates capacitive coupling from current conductor to die, greatly suppressing output noise due to high dv/dt transients • Industry-leading noise performance with greatly improved bandwidth through proprietary amplifier and filter design techniques • High bandwidth 120 kHz analog output for faster response times in control applications • Patented integrated digital temperature compensation circuitry allows for near closed-loop accuracy over temperature in an open-loop sensor • Single s