General Description
AH1803 is with two Hall effect plates and a CMOS output driver, mainly designed for battery–operation, hand-held equipment (such as Cellular and Cordless Phone, PDA). The total operation power is down to 24uW in the 3V supply.

• 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 operating temperature
• Low profile 3 pin SC59 (commonly known as SOT23 in Asia) and DFN2020-6 package
• ESD (HBM) ＞ 4KV for DFN2020-6
• SC59 (commonly known as SOT23 in Asia) and DFN2020-6: Available in “Green” Molding Compound (No Br, Sb)
• Lead Free Finish/ RoHS Compliant (Note 1) Features

APPLICATIONs
• Cellular phone
• PDA
• Cordless phone