AH1903 Description
The AH1903 is a high sensitivity micropower Omnipolar or Unipolar selectable Hall effect switch IC with internal pull up and pull down capability. Designed for 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 4.3µA at 1.8V. To support portable equipment the AH1903 can operate over the...
AH1903 Key Features
- Unipolar or Omnipolar Operation
- Operation can be changed by a logic source or fixed via PCB design with no additional ponents
- 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
AH1903 Applications
- Open and Close Detect for flip/slide Cellular Phones
- Smart Cover or Dock Detect for Cellular Phones and Tablet PCs
- Cover or Display Switch in Portable PCs (eg Ultrabook)