QT113 - CHARGE-TRANSFER TOUCH SENSOR
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 noise immunity 100% autocal for life - no adjustments required 2.5 to 5V, 600µA single supply operation Toggle mode for on/off control (strap option) 10s, 60s, infinite auto-recal timeouts (strap options) HeartBeat™ health indicator on output Only one external part required - a 1¢ capacitor Lead-Free p
QT113 Features
* 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
