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AH1893 - HIGH SENSITIVITY MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH

General Description

The AH1893 is a high sensitivity micropower Omnipolar Hall effect switch IC with internal pull up and pull down capability.

Key Features

  • Omnipolar Operation (North or South pole).
  • Supply Voltage of 1.6V to 3.6V.
  • High Sensitivity.
  • Micropower Operation.
  • Chopper Stabilized Design Provides.
  • Superior Temperature Stability.
  • Minimal Switch Point Drift.
  • Enhanced Immunity to Physical Stress.
  • No External Pull-up Resistors Required.
  • Good RF Noise Immunity.
  • -40°C to +85°C Operating Temperature.
  • High ESD capability of 8kV (Human Body Model).
  • Small Low Profile SOT553 and X1-DFN1.

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Full PDF Text Transcription (Reference)

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NEW PRODUCT AH1893 HIGH SENSITIVITY MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH Description The AH1893 is a high sensitivity micropower Omnipolar Hall effect switch IC with internal pull up and pull down capability. Designed for portable and battery powered equipment such as cellular phones and portable PCs to home appliances and industrial applications, the average supply current is only 4.3µA at 1.85V. To support potable equipment the AH1893 can operate over the supply range of 1.6V to 3.6V and uses a hibernating clocking system to minimize the power consumption. To minimize PCB space the AH1893 is available in small low profile X1-DFN1216-4 and SOT553 packages. The output is activated with either a north or south pole of sufficient magnetic field strength.