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3422 DIRECTION-DETECTION SENSORS

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Description

3422 PRELIMINARY INFORMATION (subject to change without notice) Februaryt 21, 2003 HALL-EFFECT, DIRECTION-DETECTION SENSORS The A3422xKA Hall-effect.
The integrated circuit contains an internal voltage regulator that powers the Hall sensors and both the analog and digital circuitry.

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Datasheet Specifications

Part number
3422
Manufacturer
Allegro MicroSystems
File Size
159.82 KB
Datasheet
3422_AllegroMicroSystems.pdf
Description
DIRECTION-DETECTION SENSORS

Features

* s s s s Internal Direction-Decoding Circuitry Two Matched Hall Latches On A Single Substrate Superior Temperature Stability 4.5 V to 18 V Operation Electrically Defined Power-On State Under-Voltage Lockout Always order by complete part number: the prefix ‘A’ + the basic fourdigit part number + a s

Applications

* namely maintaining accurate mechanical location between the two active Hall elements. Here, the two Hall elements are photolithographically aligned to better than 1 µm, as contrasted with 100 µm or worse mechanical location tolerance when manufactured discretely. This highly sensitive, temperature-

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