General Description
The SS239 Omnipolar Hall effect sensor IC is fabricated from mixed signal CMOS technology. It incorporates advanced chopper-stabilization techniques to provide accurate and stable magnetic switch points.

Features and Benefits
– Operation down to 2.5V
– Micropower consumption for battery powered applications
– High sensitivity for direct reed switch replacement applications
– Omnipolar, output switches with absolute value of North or South pole from magnet

Application Examples
– Solid-state switch
– Handheld Wireless Handset Awake Switch
– Lid close sensor for battery powered devices
– Magnet proximity sensor for reed switch replacement in low duty cycle applications