Two-Wire Differential Speed/Direction Sensor Relies On Ferrous Targets

The ATS699 optimized Hall-effect IC and rare-earth pellet combination provides a user-friendly solution for direction detection and true zero-speed, digital gear-tooth sensing. Speed and direction of the target are communicated through a variable pulse-width output protocol. The IC reliably handles vibration without sacrificing maximum air gap capability or creating any erroneous direction pulses. The advanced vibration detection algorithm will  systematically calibrate the sensor IC on the initial teeth of true target rotation and not on vibration, always guaranteeing an accurate signal in running mode. Advanced signal processing and innovative algorithms make the ATS699 an ideal solution for a wide range of speed and direction-sensing needs. It employs patented algorithms for the unique requirements of automotive transmission and recreational vehicle applications. It is also compatible with non-automotive applications found in white goods, exercise, and industrial equipment. The ATS699 is available in a lead (Pb) free 3-pin SIP (suffix SN) with a tin-plated leadframe.  Price is $2.56 each/1,000. A datasheet is available at http://www.allegromicro.com/en/Products/Magnetic-Speed-Sensor-ICs/Transmission-Sensor-ICs/ATS699.aspx

 

Allegro MicroSystems

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http://www.allegromicro.com

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