AH1897 Overview
The AH1897 is a high sensitivity micropower Omnipolar Hall effect switch IC with an 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 4.3µA at 1.85V. To support portable equipment, the AH1897 can operate over the supply range of 1.6V to 3.6V and use a hibernating clocking system to minimize the...
AH1897 Key Features
- Omnipolar Operation (North or South Pole)
- Supply Voltage of 1.6V to 3.6V
- 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