Description
The AH1883 micropower Omnipolar Hall Effect switch IC is designed for portable and battery powered equipment such as cellular phones, cordless phones, camcorders, PDA’s, and portable PC’s. Based on two high sensitivity Hall Effect plates and chopper stabilized architecture, the AH1883 provides reliable solution over the whole operating range.

Features
• Micropower operation
• Operation with North or South Pole
• 1.65V to 3.3V battery operation
• Chopper stabilized
    o Superior temperature stability
    o Extremely Low Switch-Point Drift
    o Insensitive to Physical Stress
• Good RF noise immunity
• -40°C to 85°C operating temperature
• ESD (HBM) ＞ 6kV in SOT553 and U-DFN2020-3
• Small low profile packages: SOT553 and U-DFN2020-3
• “Green” Molding Compound

Applications
• Cellular phone
• PDA
• Portable PCs – Netbook, Notebook, Tablets
• Camcorders
• Cordless phone
• Handheld game consoles
• Proximity detection and contact-less switch applications