Datasheet Details
| Part number | BU21181FS |
|---|---|
| Manufacturer | ROHM |
| File Size | 2.09 MB |
| Description | Capacitive Switch Controller |
| Datasheet |
 BU21181FS Datasheet
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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.
Key Features
- 18 Capacitive Sensor Pins.
- Switch ON / OFF / Long Press Detection.
- Inform Detection Results by Interrupt Pin.
- Prevention False Detection by Water.
- Noise Calibration Function.
- Drift Calibration Function.
- Adjust Sampling Period Function.
- 2-wire Serial Bus Interface.
- Single Power Supply Key Specifications.
- Power Supply Voltage Range:.
- Operating Temperature Range:.
- Operating Current: 3.0 V to 5.5 V -25 °C to +85 °C 2.5 mA (Typ) Package.