AT42QT2120

Features Number of Keys: – Comms Mode: 1 to 12 keys (1 to 9 if wheel or slider option enabled) – Standalone Mode: 1 to 5 keys Technology: – Patented spread-spectrum QTouchADC charge-transfer Number of Output Lines: – Comms Mode: Up to 10 channels can be configured as outputs (but they will replace the keys) – Standalone Mode: 1 to 5 channels can be configured as outputs Key Outline Sizes: – 5 mm x 5 mm or larger (panel thickness dependent) Key Spacings: – 6 mm or wider, center to center (panel thickness, human factors dependent) Key Design: – Single solid or ring shaped electrodes; widely different sizes and shapes possible Proximity Electrode Design: – Single solid electrodes; Key Design, Loop, PCB Trace - different sizes and shapes possible Wheel Size: – Typically 30 mm – 50 mm diameter Wheel Electrode Design: – Spatially interpolated wheel up to 80 mm diameter – Typical width of segments 12 mm Slider Electrode Design:...