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Features

? Number of Keys:

– One, toggle mode (touch-on/touch-off), plus programmable auto-off delay and external cancel

– 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 external capacitor (Cs)

? Interface:

– Digital output, active high or active low (hardware configurable)

? Moisture tolerance:

– Good

? Power:

– 1.8V ~ 5.5V; 32 μA at 1.8V

? Package:

– 6-pin SOT23-6 (3 x 3 mm) RoHS compliant

– 8-pin UDFN/USON (2 x 2 mm) RoHS compliant

? Signal processing:

– Self-calibration, auto drift compensation, noise filtering