Vibration Tolerant, High Accuracy Hall-Effect Wheel Speed and Direction Sensor IC



Top Features


The A19303 is a Hall-effect integrated circuit (IC) with an advanced algorithm for optimal signal compensation and industry leading vibration detection. The vibration detection ensures reliable speed measurement. The Hall-effect technology is suitable for sensing magnetic encoders or, with the use of a back-bias magnet, ferrous gear tooth targets. The high output accuracy and sensing flexibility offers direction and speed information ideal for wheel speed applications.
• Hall-effect Technology allows ease of use for ring magnet and ferromagnetic target sensing 
• Vibration Detection optimized for wheel speed applications allows for blanking of vibration on vibration with minimum delay in output recovery 
• Digital AK Protocol provides speed and direction information, and signal integrity 
• PWM Protocol provides speed and direction information.
• Integrated Capacitor in a single overmolded miniature package provides greater EMC robustness 

The IC is offered in the UB package, which integrates the IC and a high temperature ceramic capacitor in a single overmolded SIP package for enhanced EMC performance. The 2-pin SIP package is lead (Pb) free, with tin leadframe plating.

UB Package Documentation

Part Number Specifications and Availability

Documentation and Resources