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Features
• Number of Keys:
– One – Configurable as either a single key or a proximity sensor Technology: – 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 possible Electrode design: – Solid or ring electrode shapes PCB Layers required: – One Electrode materials: – Etched copper, silver, carbon, Indium Tin Oxide (ITO) Electrode substrates: – PCB, FPCB, plastic films, glass Panel materials: – Plastic, glass, composites, painted surfaces (low particle density metallic paints possible) Panel thickness: – Up to 12 mm glass, 6 mm plastic (electrode size and Cs dependent) Key sensitivity: – Settable via capacitor (Cs) Interface: – Digital output, active high Moisture tolerance: – Good
AT42QT1011 Datasheet
