PT3661   Micro Power Switch Type Hall Sensor IC

The PT3661 is designed for battery-operated, hand-held equipment such as cellular and cordless phone, PDA and notebook application. The built-in dynamic offset cancellation of pre-amplifier stage achieves optimal symmetrical magnetic sensing. The supply voltage range is from 2.4V to 5V and the max output current is 5mA.

• 2.4V~5V operation
• High sensitivity : 20~60G
• Micro Power : 5~7 μW
• Built-in dynamic offset cancellation
• High balance and low thermal drift magnetic sensing
• ESD protection to 5KV
• Open drain output

• Cover Detection
• On/Off Detection
• Consumer Products
• Fluid level detection
• Proximity Sensor

     PT3661 /PKG:SOT-23