A 4-channel auto sensitivity calibration capacitive touch sensor
* Properties
- 4 Channel capacitive sensor with auto sensitivity calibration
- Selectable output operation mode (single output / multi output)
- Uniformly adjustable 9 step sensitivity
- Sync function for parallel operation
- 3 SYNC pins for various option selections
- Almost no external component needed
- Open-drain digital output
- Low current consumption
- Embedded common and normal noise elimination circuit
- RoHS compliant 14SOP package
* Applicability
- Home application
- Membrane switch replacement
- Sealed control panels, keypads
- Door key-lock matrix application
- Touch screen replacement application