The following content is an automatically extracted verbatim text
from the original manufacturer datasheet and is provided for reference purposes only.
View original datasheet text
www.DataSheet4U.com
LQ
NOT RECOMMENDED FOR NEW DESIGNS
32-KEY QMATRIX™ CHARGE-TRANSFER IC
Gnd I4 AIN Vcc X4 X5 X2 X3 X1 I2 I3
QT60320C
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 User-addressable multifunction drive pins User-addressable internal eeprom Simple, universal serial interface 5V single supply operation 44-pin TQFP package One square inch (6.