QT113 Datasheet
QT113 Datasheet (Parallax)
Parallax
The QT113 touch sensor is a self-contained digital IC with optional latching and momentary functions. The chip can project a proximity sense field through air, via almost any dielectric material, such.
* Projects a proximity field through the air
* Less expensive than many mechanical switches
* Only one external part required
* a capacitor
* 8 pin DIP package
* Compatible with all BASIC Stamp® & SX Microcontrollers
Application Ideas
* Light Switches
* Security Systems
* Prox Sensors
* Toys & games.
QT113 Datasheet (QUANTUM)
QUANTUM
lQ QProx™ QT113 CHARGE-TRANSFER TOUCH SENSOR Projects a proximity field through air or any insulator Less expensive than many mechanical switches Sensitivity easily adjusted Consensus filter for noi.
and sensitivity. Figure 1-1 Basic Circuit Configuration +2.5 to 5 1 2 Vdd 7 OUT SNS2 3 OPT1 5 GAIN 4 OPT2 6 SNS1 OUTPUT=DC Vss TIMEOUT=10 Secs TOGGLE=OFF 8 GAI N= HIGH SENSING ELECTRODE RSERIES Cs 10nF Cx 1.2 ELECTRODE DRIVE The internal ADC treats Cs as a floating transfer capa.