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3422 - DIRECTION-DETECTION SENSORS

General Description

The integrated circuit contains an internal voltage regulator that powers the Hall sensors and both the analog and digital circuitry.

This regulator allows operation over a wide supply voltage range and provides some immunity to supply noise.

Key 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 suffix to indicate operating temperature range + a suffix to indicate package style, e. g. , A3422EKA . 3422 HALL-EFFECT,.

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Other Datasheets by Allegro MicroSystems

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3421 HALL-EFFECT/ DIRECTION-DETECTION SENSORS
3425 DUAL/ CHOPPER-STABILIZED/ ULTRA-SENSITIVE/ BIPOLAR HALL-EFFECT SWITCH

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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3422 PRELIMINARY INFORMATION (subject to change without notice) Februaryt 21, 2003 HALL-EFFECT, DIRECTION-DETECTION SENSORS The A3422xKA Hall-effect, direction-detection sensor is a new generation of special-function integrated sensors that is capable of sensing the direction of rotation of a ring magnet. This transducer provides separate digital outputs that provide information on magnet rotation speed, direction, and magnet pole count. This device eliminates the major manufacturing hurdles encountered in fine-pitch direction-detection applications, namely maintaining accurate mechanical location between the two active Hall elements.