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A3422LKA +BOM

Through hole mountable SIP-5 Hall Effect Sensor engineered with BICMOS technology for accurate detection of magnetic fields between -7

A3422LKA General Description

Digital Switch Bipolar Switch Open Collector Hall Effect 5-SIP

Key Features

  • The A3422xKA Hall-effect, direction-detection sensor IC is a new generation of special-function integrated devices that is applicable to 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. Here, the two Hall elements are photo-lithographically aligned to better than 1 μm, as contrasted with 100 μm or worse mechanical location tolerance when manufactured discretely. This highly sensitive, temperature-stable, magnetic transducer is ideal for use in digital-encoder systems in the harsh environments of automotive or industrial applications. The A3422xKA is a high-sensitivity device optimized for use with high-density magnets.
  • 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

Specifications

Series - Function Bipolar Switch
Technology Hall Effect Polarization North Pole, South Pole
Sensing Range 7.5mT Trip, -7.5mT Release Test Condition 25°C
Voltage - Supply 4.5V ~ 18V Current - Supply (Max) 18mA
Current - Output (Max) 30mA Output Type Open Collector
Features - Operating Temperature -40°C ~ 150°C (TA)
Mounting Type Through Hole

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