General Purpose Speed Sensors
Allegro’s general-purpose speed sensors bring proven automotive-grade performance to industrial applications. With decades of algorithm expertise and system-level design experience, our solutions deliver reliable speed and direction sensing in harsh environments.
Featured Products
A1468
ATS468
ATS605LSG
The ATS605LSG provides a single IC solution to rotational position sensing applications with a ferrous gear target. The SG package incorporates a rare earth pellet for ease of manufacturing, consistent performance over temperature, and enhanced reliability.
A1605
Achieve highly accurate speed and direction sensing with the A1605. This dual-output differential Hall-effect sensor IC provides reliable, interference-immune performance for industrial and commercial rotational sensing applications. Its single-chip design simplifies system integration and ensures ...
Product Selection Guide
Documentation & Resources
Application Note
Fundamental Properties of Speed Sensors
The aim of this application note is to provide a solid foundation for understanding and comparing the fundamental properties of speed sensors that are valid not only for Allegro products but for speed sensors in general.
Application Note
Methods and Validation of Stray Magnetic Field Mitigation in Magnetic Speed Sensor ICs
AN296250 - This document provides an overview of the phenomena of stray magnetic fields, its various sources, solutions developed to minimize its effects, and product proposals tolerant to stray field perturbations.
Application Note
Speed Sensor Protocols
AN296246 - This application note provides a detailed description of commonly used output protocols implemented in speed sensors. It also lists the benefits and drawbacks of each and provides information on the safety mechanisms these protocols offer to achieve compliance with the latest automotive safety standards.