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A1244 - Two Wire Hall-Effect Latch

General Description

The A1244 is a two-wire Hall-effect latch.

The devices are produced on theAllegro™ advanced BiCMOS wafer fabrication process, which implements a high-frequency, 4-phase, chopper stabilization technique.

Key Features

  • AEC-Q100 automotive qualified.
  • High-speed, 4-phase chopper stabilization ▫ Low switchpoint drift throughout temperature range ▫ Low sensitivity to thermal and mechanical stresses.
  • On-chip protection ▫ Supply transient protection ▫ Reverse-battery protection.
  • On-board voltage regulator ▫ 3 to 24 V operation.
  • Solid-state reliability.
  • Robust EMC and ESD performance.
  • Industry-leading ISO 7637-2 performance through use of proprietary, 40 V clamping structures PACK.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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A1244 Chopper-Stabilized, Two-Wire Hall-Effect Latch FEATURES AND BENEFITS ▪ AEC-Q100 automotive qualified ▪ High-speed, 4-phase chopper stabilization ▫ Low switchpoint drift throughout temperature range ▫ Low sensitivity to thermal and mechanical stresses ▪ On-chip protection ▫ Supply transient protection ▫ Reverse-battery protection ▪ On-board voltage regulator ▫ 3 to 24 V operation ▪ Solid-state reliability ▪ Robust EMC and ESD performance ▪ Industry-leading ISO 7637-2 performance through use of proprietary, 40 V clamping structures PACKAGES: 3-pin ultra-mini SIP 1.5 mm × 4 mm × 3 mm (suffix UA) 3-pin SOT23-W 2 mm × 3 mm × 1 mm (suffix LH) DESCRIPTION The A1244 is a two-wire Hall-effect latch.