A 4-Channel differential calibration capacitive touch sensor
* Properties
- 4-Channel capacitive sensor with differential sensitivity calibration
- I2C Serial interface
- Selectable output operation mode ( single output / multi output )
- Independently adjustable in 128 steps sensitivity
- Adjustable response time by the control registers
- Programmable wake up sequence from SLEEP mode
- Almost no external component needed
- Very low current consumption
- Embedded common and normal noise elimination circuit
- RoHS compliant 12QFN package
* Applicability
- Mobile application ( Mobile phone / PDA / PMP / MP3 etc )
- Membrane switch replacement
- Sealed control panels, keypads