AH1804 Overview
The AH1804 is a micropower Omnipolar Hall effect switch IC with a single output driver with internal pull up and pull down capability. Designed for portable and battery powered equipment such as cellular phones and portable PCs the average supply current is only 12µA at 3.3V. To support battery powered equipment the AH1804 can operate over the supply range of 2.5V to 3.6V and uses a hibernating clocking system to...
AH1804 Key Features
- Omnipolar operation (North or South pole)
- Low supply voltage 2.5V to 3.6V
- Micropower operation
- No external pull up resistors required
- Chopper stabilized design
- Good RF noise immunity
- 40°C to 85°C operating temperature
- Small low profile DFN1216-4 and SC59 packages
- ESD (HBM) ＞ 5KV
AH1804 Applications
- Cover switch in clam-shell and slide cellular phones
- Cover switch in portable PC’s, Tablets and PDA
- Display screen open/close detect in Digital
- Contact-less switch in portable battery powered