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

A19303

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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.

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Documentation

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Documents Found: 32
Document Type Document Name
Application Note
Methods and Validation of Stray Magnetic Field Mitigation in Magnetic Speed Sensor ICs
Application Note
Fundamental Properties of Speed Sensors
Application Note
August 27, 2019
Differential Hall-Effect Sensors: Safer and More Reliable for Two-Wheelers of the Future