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ACHS-7125 Datasheet Hall Effect-Based Linear Current Sensor

Manufacturer: Broadcom

Download the ACHS-7125 datasheet PDF. This datasheet also includes the ACHS-7124 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (ACHS-7124-Broadcom.pdf) that lists specifications for multiple related part numbers.

General Description

The Broadcom® ACHS-7124/7125 product series is a fully integrated Hall Effect-based isolated linear current sensor device family designed for AC or DC current sensing in industrial, commercial, and communications systems.

Each of the ACHS-7124/7125 consists of a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die.

Applied current flowing through this copper conduction path generates a magnetic field that the Hall IC converts into a proportional voltage.

Overview

ACHS-7124/7125 Fully Integrated, Hall Effect-Based Linear Current Sensor IC with 3 kVRMS Isolation and Low-Resistance Current Conductor Data.

Key Features

  • Wide operating temperature:.
  • 40ºC to +110ºC.
  • Internal conductor resistance: 0.7 mΩ typ.
  • Sensing current range ±40A and ±50A (see the table footnotea under the part number table to the left).
  • Output sensitivity: 40mV/A to 50 mV/A.
  • Output voltage proportional to AC or DC currents.
  • Ratiometric output from supply voltage.
  • Single supply operation: 5.0V.
  • Low-noise analog signal path.
  • Device bandwidth is set using the new FILTER pin: 80-kHz typ. Ba.