rKey Features
| Features | |
|---|---|
| Power Source | 1.8V to 5.5V |
| Supply Current | From 17 μA (1.8V) to 80 μA (5.0V) |
| Physical Size | 2 in x 2 in (51 mm x 51 mm) |
| Logic Output | High on Touch/Proximity |
| Maximum Panel/Overlay Thickness | up to 0.4 in (10 mm) plastic |
| Start up time | 100 ms |
| Recalibration time | 100 ms |
| Operating Temperature | -40°C to +85°C |
| RoHS Compliant | Yes |
- Auto-calibration on power-up for panel/overlay thickness
- Ultra low power operation - 80 μA @ 5.0V
- Power can be controlled by microcontroller logic pin (for forced recalibration, if needed)
- Separate LED from detection circuit - for complex feedback
- LED can be connected to output, for simple feedback