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ACS770LCB Datasheet High Precision Linear Current Sensor

Manufacturer: Allegro MicroSystems

Download the ACS770LCB datasheet PDF. This datasheet also includes the ACS770LCB-050B-PFF-T variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (ACS770LCB-050B-PFF-T-AllegroMicroSystems.pdf) that lists specifications for multiple related part numbers.

General Description

The Allegro™ ACS770 family of current sensor ICs provides economical and precise solutions forAC or DC current sensing.

Typical applications include motor control, load detection and management, power supply and DC-to-DC converter control, inverter control, and overcurrent fault detection.

The device consists of a precision, low-offset linear Hall circuit with a copper conduction path located near the die.

Overview

ACS770xCB Thermally Enhanced, Fully Integrated, Hall-Effect-Based High-Precision Linear Current Sensor IC with 100 µΩ Current.

Key Features

  • Industry-leading total output accuracy achieved with new piecewise linear digital temperature compensation of offset and sensitivity.
  • Industry-leading noise performance through proprietary amplifier and filter design techniques.
  • 120 kHz typical bandwidth.
  • 4.1 µs output rise time in response to step input current.
  • Integrated shield greatly reduces capacitive coupling from current conductor to die due to high dV/dt signals, and prevents offset drift in.