Description
AH1801 is a Micropower, Ultra-sensitive Hall Effect Switch, which is with two Hall effect plates and a output driver, mainly designed for battery–operation, hand-held equipment (such as Cellular and Cordless Phone, PDA). The total operation power is down to 24µW in the 3V supply.

FEATUREs
 • Micropower Operation
 • Operation with North or South Pole
 • 2.5V to 5.5V Battery Operation
 • Inverted Output-on without Magnet Present
 • 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 DFN2020-3, DFN2020-6 Packages
 • ESD (HBM) ＞ 5KV for DFN2020-3 and DFN2020-6
                       ＞ 6KV for SC59
 • SC59, DFN2020-3 and DFN2020-6: Available in “Green” Molding Compound (No Br, Sb)
 • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
 • Halogen and Antimony Free. “Green” Device (Note 3)

APPLICATIONs
 • Cellular Phone
 • PDA
 • Cordless Phone