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A1171 Datasheet Micropower Ultrasensitive Hall Effect Switch

Manufacturer: Allegro MicroSystems

General Description

The A1171 integrated circuit is an ultrasensitive, Hall effect switch with latched digital outputs and either unipolar or omnipolar magnetic actuation.

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Overview

A1171 Micropower Ultrasensitive Hall Effect Switch.

Key Features

  • 1.65 to 3.5 V battery operation.
  • Low supply current.
  • High sensitivity, BOP typically 30 G (3.0 mT).
  • Operation with either north or south pole.
  • Configurable unipolar or omnipolar magnetic sensing.
  • Complementary, push-pull outputs.
  • Chopper stabilized ▫ Superior temperature stability ▫ Extremely low switchpoint drift ▫ Insensitive to physical stress.
  • Solid state reliability.
  • Small size Package: 6 pin DFN/MLP (suffix EW).