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3421

Part Number	3421
Manufacturer	Allegro MicroSystems
Description	HALL-EFFECT/ DIRECTION-DETECTION SENSORS
Published	Mar 30, 2005
Detailed Description	3421 AND 3422 PRELIMINARY INFORMATION (subject to change without notice) September 6, 2000 HALL-EFFECT, DIRECTION-DETE...
Datasheet	3421 PDF File

Overview

3421 AND 3422 PRELIMINARY INFORMATION (subject to change without notice) September 6, 2000 HALL-EFFECT, DIRECTION-DETECTION SENSORS The A3421xKA and A3422xKA Hall-effect, direction-detection sensors are a new generation of special-function integrated sensors that are capable of sensing the direction of rotation of a ring magnet.
These transducers provide separate digital outputs that provide information on magnet rotation speed, direction, and magnet pole count.
These devices eliminate the major manufacturing hurdles encountered in fine-pitch direction-detection applications, namely maintaining accurate mechanical location between the two active Hall elements.
Here, the two Hall elements a...

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