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AT42QT1012 - One-channel Toggle-mode Touch Sensor

General Description

Table 1-1.

Name OUT Vss SNSK SNS Vdd TIME Type O P I/O I/O P I Comments Output state.

To switched circuit and output polarity selection resistor (Rop) Supply ground Sense pin.

Key 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 m.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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