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A1250 - Hall-Effect Latch / Bipolar Switch

General Description

The A1250 Hall-effect sensor IC is a temperature-stable, stress-resistant bipolar switch.

This device is the most sensitive Hall-effect device in the Allegro™ bipolar switch family and is intended for ring-magnet sensing.

Key Features

  • AEC-Q100 automotive qualified.
  • Quality managed (QM), ISO 26262:2011 compliant.
  • High-speed 4-phase chopper stabilization.
  • Low operating voltage down to 3 V.
  • High sensitivity.
  • Stable switch points.
  • Robust EMC.

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Full PDF Text Transcription for A1250 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for A1250. For precise diagrams, and layout, please refer to the original PDF.

A1250 2 - Hall-Effect Latch / Bipolar Switch FEATURES AND BENEFITS • AEC-Q100 automotive qualified • Quality managed (QM), ISO 26262:2011 compliant • High-speed 4-phase c...

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Quality managed (QM), ISO 26262:2011 compliant • High-speed 4-phase chopper stabilization • Low operating voltage down to 3 V • High sensitivity • Stable switch points • Robust EMC PACKAGES: 3-Pin SOT23W (suffix LH) 3-Pin SIP (suffix UA) Not to scale V+ VCC Regulator DESCRIPTION The A1250 Hall-effect sensor IC is a temperature-stable, stress-resistant bipolar switch. This device is the most sensitive Hall-effect device in the Allegro™ bipolar switch family and is intended for ring-magnet sensing. Superior high-temperature performance is made possible through an Allegro dynamic offset cancellation that utilizes chopper sta