Description:
Configurations: Can be configured as a combination of keys and input/output linesNumber of QTouch® Keys: Two to sixNumber of I/O Lines: Seven, configurable for input or output, with PWM control for LED drivingTechnology: Patented spread-spectrum charge-transfer (direct mode)Key Outline Sizes: 6 mm x 6 mm or larger (panel thickness dependent); widely different sizes and shapes possibleLayers Required: OneElectrode Materials: Etched copper, silver, carbon, Indium Tin Oxide (ITO)Panel Materials: Plastic, glass, composites, painted surfaces (low particle density metallic paints possible)Up to 10 mm glass (electrode size dependent)Up to 5 mm plastic (electrode size dependent)Key Sensitivity: Individually settable via simple commands over serial interfaceInterface: I2C-compatible slave mode (100 kHz). Discrete detection outputsSignal Processing:Self-calibrationAuto drift compensationNoise filteringAdjacent Key Suppression® (AKS®)Applications: Mobile appliancesPower: 1.8 V to 5.5 VPackage: 28-pin 4 x 4 mm QFN RoHS compliant IC