QT60320D - 32-KEY QMATRIX CHARGE-TRANSFER IC
www.DataSheet4U.com LQ 32-KEY QMATRIX™ CHARGE-TRANSFER IC Gnd I4 AIN Vcc X4 X5 X2 X3 X1 I2 I3 QT60320D Creates 32 ‘touch buttons’ through any dielectric 100% autocal for life - no adjustments required 'N' key rollover: senses all 32 keys in parallel Keys individually adjustable for sensitivity Mix 'n match key sizes & shapes in one panel Tolerates a 20:1 variance in key sizes on a panel Panel thicknesses to 5 cm or more Back lit keys possible with ITO electrodes LED status function drives Us
QT60320D Features
* permit the construction of entirely new classes of keypanels never before contemplated, such as touch-sliders, back-illuminated keys, and arbitrary shape keypanels, all at very low cost. The QT60320D uses an asynchronous serial (uart) interface running at 9600 baud to allow key data to be extracted
