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A1468 Datasheet Three-Wire True Zero-Speed Differential Peak-Detecting Sensor

Manufacturer: Allegro MicroSystems

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General Description

The A1468 is an optimized Hall-effect sensing IC that provides a user-friendly solution for digital ring-magnet sensing, or when coupled with a magnet, ferromagnetic target sensing, in three-wire applications.

The small device package can be easily assembled into applications for use in conjunction with a wide variety of target shapes and sizes.

The integrated circuit incorporates dual Hall-effect elements with a 2.2 mm spacing and signal processing that switches in response to differential magnetic signals created by ringmagnet poles.

Overview

A1468 Three-Wire True Zero-Speed Differential Peak-Detecting Sensor IC with Continuous.

Key Features

  • 4.0 to 26.5 V supply operating range.
  • Minimum differential field 20 Gpk-pk.
  • Running mode calibration for continuous optimization.
  • Single chip IC for high reliability.
  • Precise duty cycle signal throughout operating temperature range.
  • Large operating air gaps.
  • Automatic Gain Control (AGC) for air-gap.
  • independent switch points.
  • Automatic Offset Adjustment (AOA) for signal processing optimization.
  • True zero-spe.

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