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AH1802 - ULTRA-SENSITIVE OMNIPOLAR HALL-EFFECT SENSOR SWITCH

General Description

The AH1802 is a high-sensitivity, micropower, omnipolar Hall Effect switch integrated circuit (IC) designed for portable and battery-powered equipment, such as cellular phones, PDAs, and portable PCs.

Key Features

  • Omnipolar (North or South Pole) Operation.
  • 2.5V to 5.5V Operating Range.
  • High Sensitivity.
  • Single Open-Drain Output.
  • Micropower Operation.
  • Chopper-Stabilized Design Provides.
  • Superior Temperature Stability.
  • Minimal Switch Point Drift.
  • Enhanced Immunity to Stress.
  • Good RF Noise Immunity.
  • -40°C to +85°C Operating Temperature.
  • ESD > 5kV for U-DFN2020-6, U-DFN2020-3 and X2- DFN2015-3.
  • ESD > 6kV for SC59.
  • Low Profile SC59, U-DFN20.

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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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NOT RECOMMENDED FOR NEW DESIGN USE AH1806 AH1802 MICROPOWER, ULTRA-SENSITIVE OMNIPOLAR HALL-EFFECT SENSOR SWITCH Description Pin Assignments The AH1802 is a high-sensitivity, micropower, omnipolar Hall Effect switch integrated circuit (IC) designed for portable and battery-powered equipment, such as cellular phones, PDAs, and portable PCs. Based on two sensitive Hall Effect plates and a chopper-stabilized architecture, the AH1802 provides a reliable solution over the whole operating range. To support portable and battery-powered equipment, the design has been optimized to operate over the supply range of 2.5V to 5.5V and consumes only 24µW with a supply of 3V.