Micropower Ultrasensitive Hall-Effect Switches with Latched Digital Output

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A3211, A3212

The A3211/2 Hall-effect switches provide ultrasensitive and reliable performance with latched digital output, making them ideal for battery-powered applications. Their pole-independent operation simplifies design and eliminates the need for magnet orientation.

Download Datasheet

Document Type	Document Name
Application Note	Omnipolar Switch Hall-Effect IC Basics
Application Note	Vertical Hall Technology Enables Effective Tamper Detection
Application Note	Allegro Microsystems - Chemical Exposure of Devices
Application Note	Handling, Storage, and Shelf Life of Semiconductor Devices
Application Note	Allegro Hall-Effect Sensor ICs
Guide	Hall-Effect IC Applications Guide
Guide	Guidelines for Designing Subassemblies Using Hall-Effect Devices
Technical Article	Soldering Methods for Allegro Products (SMD and Through-Hole)

Document Type

Document Name

Application Note

Omnipolar Switch Hall-Effect IC Basics

Application Note

Vertical Hall Technology Enables Effective Tamper Detection

Application Note

Allegro Microsystems - Chemical Exposure of Devices

Application Note

Handling, Storage, and Shelf Life of Semiconductor Devices

Application Note

Allegro Hall-Effect Sensor ICs

Guide

Hall-Effect IC Applications Guide

Guide

Guidelines for Designing Subassemblies Using Hall-Effect Devices

Technical Article

Soldering Methods for Allegro Products (SMD and Through-Hole)

Micropower Ultrasensitive Hall-Effect Switches with Latched Digital Output

A3211, A3212

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Part Number Specifications and Availability

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Documentation