AH1803 - ULTRA-SENSITIVE HALL EFFECT SWITCH
The AH1803 has two Hall effect plates and a CMOS output driver.
The device is primarily designed for battery-operated, handheld equipment (such as cellular and cordless phones, PDAs).
The total operation power is down to 24µW in the 3V supply.
Either the north or south pole turns the output on with
AH1803 Features
* Micropower Operation
* Operation with North or South Pole
* 2.4 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 Operatin