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AH422 - High Sensitive Digital-Unipolar Hall Effect Sensor

Datasheet Summary

Description

A positive magnetic field is defined as a South pole near the marked side of the package.

Features

  • Miniature construction.
  • High sensitivity of 30/20Gauss (typ. ).
  • Wide voltage range of 3.8 Vdc to 40 Vdc.
  • Temperature range of -40 °C to 125 °C.
  • Highest ESD performance up to ±4 kV.
  • Open Collector Output.

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Datasheet preview – AH422

Datasheet Details

Part number AH422
Manufacturer Alfa Electronics
File Size 944.62 KB
Description High Sensitive Digital-Unipolar Hall Effect Sensor
Datasheet download datasheet AH422 Datasheet
Additional preview pages of the AH422 datasheet.

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Full PDF Text Transcription

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AH422 High Sensitive Digital-Unipolar Hall Effect Sensor Alfa Electronics Co.,Ltd Introduction AH422, unipolar Hall effect switch, designed with Bipolar technology, is south sensitive unipolar Hall Effective switch and includes on-chip Hall element voltage generator, a voltage regulator for operation with supply voltages of 3.8 to 40V, temperature compensation circuitry, small-signal amplifier, Schmitt trigger and an open-collector output. The sensor is designed to respond to South poles. While the magnetic flux density(B) is larger than operate point Bop, the output will be turned on with low output level. Then the output is held until the magnetic flux (B) is lower than release point Brp. The output will be turned off with high output level.
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