High-Accuracy Hall-Effect Transmission Speed Sensor IC with ASIL B Compliance

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A19420

High-Performance GMR AK Protocol Wheel Speed and Direction Sensor IC

The A19420 provides precise speed sensing for ring magnets or ferrous targets, with ASIL B compliance for functional safety in automotive applications. Features include a two-wire interface, integrated diagnostics, and differential sensing for robust performance.

Download Datasheet

Document Type	Document Name
Application Note	Fundamental Properties of Speed Sensors
Application Note	Methods and Validation of Stray Magnetic Field Mitigation in Magnetic Speed Sensor ICs
Application Note	Allegro Microsystems - Chemical Exposure of Devices
Application Note	Allegro Hall-Effect Sensor ICs
Guide	Guidelines for Designing Subassemblies Using Hall-Effect Devices
Guide	Hall-Effect IC Applications Guide
Technical Article	Back-Biased Packaging Advances (SE, SG, SH, and SJ versus SA and SB)
Technical Article	Soldering Methods for Allegro Products (SMD and Through-Hole)

Document Type

Document Name

Application Note

Fundamental Properties of Speed Sensors

Application Note

Methods and Validation of Stray Magnetic Field Mitigation in Magnetic Speed Sensor ICs

Application Note

Allegro Microsystems - Chemical Exposure of Devices

Application Note

Allegro Hall-Effect Sensor ICs

Guide

Guidelines for Designing Subassemblies Using Hall-Effect Devices

Guide

Hall-Effect IC Applications Guide

Technical Article

Back-Biased Packaging Advances (SE, SG, SH, and SJ versus SA and SB)

Technical Article

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

High-Accuracy Hall-Effect Transmission Speed Sensor IC with ASIL B Compliance

A19420

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Documentation