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Diodes Incorporated AH1902 Omnipolar Hall Effect Switch IC

Diodes Incorporated AH1902/AH1903 Omnipolar Hall Effect Switch ICs are high sensitivity micropower Omnipolar Hall effect switch ICs with internal pull up and pull down capability. Designed for portable and battery powered consumer equipment such as cellular phones and portable PCs to office equipment, home appliances and industrial applications, the average supply current is only 4.3uA at 1.8V. To support potable equipment the AH1902/AH1903 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 AH1902 is available in small low profile X1-DFN1216-4 and X2- DFN2015-6 packages while AH1903 is available in a small low profile X1-DFN1216-4 package.

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 X1-DFN1216-4 and X2-DFN2015-6 Packages, as well as an SOT553-6 package for AH1902.
  • Small Low Profile X1-DFN1216-4 package for AH1903

Applications

  • Open and Close Detect for flip/slide Cellular Phones
  • Smart Cover or Dock Detect for Cellular Phones, Tablet PCs, and e-Readers
  • Cover or Display Switch in Portable PCs (eg Ultrabook)
  • Digital Still, Video Cameras and Handheld Gaming Consoles
  • Door, Lids and Tray Position Switches
  • Level, Proximity and Position Switches
  • Contact-Less Switches in Home Appliances and Industrial Applications

Learn More About

Diodes Incorporated Omnipolar Hall Effect Switch ICs

Used in many application areas, from open and close detection to rotation and flow monitoring.

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Associated Board

Diodes Incorporated AH1903-FA-EVM Evaluation Board

Evaluates the AH1903 omnipolar hall effect IC featuring internal pull-up and pull-down capability.

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View Results ( 4 ) Page
Numero ng Piyesa Datasheet Paglalarawan
AH1903-FA-7 AH1903-FA-7 Datasheet Board Mount Hall Effect / Magnetic Sensors Prog HS Hall-Effect 1.6V to 3.6V 4.3uA
AH1902-FA-7 AH1902-FA-7 Datasheet Board Mount Hall Effect / Magnetic Sensors Prog HS Hall-Effect 1.6V to 3.6V 4.3uA
AH1902-Z-7 AH1902-Z-7 Datasheet Board Mount Hall Effect / Magnetic Sensors Omni Hall-Effect 1.6V to 3.6V 4.3uA
AH1902-FT4-7 AH1902-FT4-7 Datasheet Board Mount Hall Effect / Magnetic Sensors Prog HS Hall-Effect 1.6V to 3.6V 4.3uA
Inilathala: 2014-05-28 | Na-update: 2022-03-11