Capacitive Switch Controller IC

General Description BU21181FS is a capacitive switch controller that detects capacitance change and judges the operation of Switch ON / OFF or Long Press. The function to prevent false detection of water enables it to be used at places using water. Features  18 Capacitive Sensor Pins 

文件：2.14572 Mbytes 页数：46 Pages

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Capacitive Switch Controller IC

General Description BU21181FS is a capacitive switch controller that detects capacitance change and judges the operation of Switch ON / OFF or Long Press. The function to prevent false detection of water enables it to be used at places using water. Features  18 Capacitive Sensor Pins 

文件：2.14572 Mbytes 页数：46 Pages

ROHM

罗姆

Capacitive Switch Controller IC

BU21181FS is a capacitive switch controller that detects capacitance change and judges the operation of Switch ON/OFF or Long Press. The function to prevent false detection of water enables it to be used at places using water. • 18 Capacitive Sensor Pins\n• Switch ON/OFF/Long Press Detection\n• Inform Detection Results by Interrupt Pin\n• Prevention False Detection by Water\n• Noise Calibration Function\n• Drift Calibration Function\n• Adjust Sampling Period Function\n• 2-wire Serial Bus Interface\n• Single Power Supply;

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VFQFN-40

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HTSSOP-44

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