Description
www.DataSheet4U.com lQ z Advanced second generation QMatrix™ controller z Keys individually adjustable for sensitivity, response time, and many other.
Features
* z Negligible external component count z Extremely low cost per key z 44-pin Pb-free TQFP package
QT60326, QT60486
32 & 48 KEY QMATRIX™ ICs
S_SYNC /SS DRDY VREF Y5A Y5B Vdd LED Y4A Y4B Vss
MOSI MISO SCK /RST Vdd Vss XT2 XT1 RX TX WS
1 2 3 4 5 6 7 8 9
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 2
Applications
* y Security keypanels y Industrial keyboards y Appliance controls y Outdoor keypads y ATM machines y Touch-screens y Automotive panels y Machine tools
These digital charge-transfer (“QT”) QMatrix™ ICs are designed to detect human touch on up 48 keys when used with a scanned, passive X-Y matrix. They