AT42QT1111-MU Overview
Key Specifications
Package: VQFN
Mount Type: Surface Mount
Pins: 32
Operating Voltage: 5.5 V
Key Features
- Sensor Keys: – Up to 11 QTouch™ channels
- Discrete Outputs: – Configurable “Detect” outputs indicating individual key touch (7-key mode)
- Device Setup: – Device configuration can be stored in EEPROM
- Technology: – Patented spread-spectrum charge-transfer (direct mode)
- Key Spacings: – 7 mm center to center or more (panel thickness dependent)
- 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 10 mm glass, 5 mm plastic (electrode size dependent)
