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A3241 Datasheet Chopper-Stabilized Unipolar Hall-Effect Switches

Manufacturer: Allegro MicroSystems

General Description

The A3241 and A3242 integrated circuits are unipolar Halleffect switches with digital outputs.

These devices are suited for operation over extended temperature ranges, up to +150°C.

Superior high-temperature performance is made possible through an Allegro® dynamic offset cancellation, which reduces the residual offset voltage normally caused by device overmolding, temperature excursions, and thermal stress.

Overview

A3241 and A3242 Chopper-Stabilized Unipolar Hall-Effect Switches.

Key Features

  • Chopper stabilization ▫ Superior temperature stability ▫ Extremely low switchpoint drift ▫ Insensitive to physical stress.
  • Reverse battery protection.
  • Output short circuit protection.
  • Solid state reliability.
  • Small size.
  • Robust EMC capability.
  • High ESD ratings (HBM) Packages: 3 pin SOT23W (suffix LH), and 3 pin SIP (suffix UA).