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DataSheet4U.
com lQ QT60160, QT60240 16 AND 24 KEY QMATRIX™ TOUCH SENSOR ICs SCL /RST Y0A Y2B SMP SDA Y1A Y2A These devices are designed for low cost mobile and consumer electronics applications.
QMatrix™ technology employs transverse charge-transfer sensing electrode designs which can be made very compact and are easily wired.
Charge is forced from an emitting electrode into the overlying panel dielectric, and then collected on a receiver electrode which directs the charge into a sampling capacitor which is then converted directly to digital form without the use of amplifiers.
Keys are configured in a matrix format that minimizes the number of required scan lines and device pins.
The ...

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