Download AH1822 Datasheet PDF
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AH1822 Description

AH1822 is prised of two Hall effect plates and an open-drain output driver, mainly designed for battery-operation, hand-held equipment (such as Cellular and Cordless Phone, PDA). The total power consumption in normal operation is typically 24µW with a 3V power source. Either north or south pole of sufficient strength will turn the output on.

AH1822 Key Features

  • Micropower Operation
  • Operation with Magnetic Field of Either North or South Pole
  • 2.5V to 5.5V Battery Operation
  • Chopper Stabilized
  • Superior Temperature Stability
  • Extremely Low Switch-Point Drift
  • Insensitive to Physical Stress
  • Good RF Noise Immunity
  • 40C to +85C Operating Temperature
  • ESD (HBM) > 5kV