A3422 - Allegro MicroSystems

A3422 Hall Effect Direction Detection Sensor IC

The integrated circuit contains an internal voltage regulator that powers the Hall elements and both the analog and digital circuitry. This regulator allows operation over a wide supply voltage range and provides some immunity to supply noise. The device also contains CMOS logic circuitry that decodes the direction of rotation of the ring magnet. Quadrature.

Features

• Internal Direction-Decoding Circuitry
• Two Matched Hall Bipolar Switches on a Single Substrate
• Superior Temperature Stability
• 4.5 V to 18 V Operation Electrically Defined Power-On State Undervoltage Lockout 3422 HALL-EFFECT, DIRECTION-DETECTION SENSOR IC Selection Guide Part Number Packing
* A3422EKA-T A3422LKA-T Bulk, 500 pieces/bag Bulk, 500 pieces/bag
*Contact Allegro for additional packing options. Mounting 5-pin SIP through hole 5-pin SIP through hole Ambient, TA (°C)
  –40 to 85
  –40 to 150 FUNCTIONAL BLOCK DIAGRAM 1 SUPPLY UVLO REG POWER-ON LOGIC LOGIC 2 DIRECTION 3 GR.