QT1100A charge-transfer (“QT”) QTouch ICs are self-contained digital controllers capable of detecting near-proximity or touch on up to 10 electrodes. This device allows each electrode to project an independent sense field through glass or plastic. These devices require only a few inexpensive passive components per sensing channel. The devices are designed specifically for human interfaces, such as control panels, appliances, gaming devices, lighting controls, or anywhere a mechanical switch may be found.

● 10 independent touch sensing fields
● 100% autocal for life - no adjustments required
● SPI and UART serial interfaces
● Scanport output - simulates a membrane keypad
● Simple external per channel passive circuit
● User-defined setups of operating parameters
● 3.3V~5.0V single supply operation
● AKS™ Adjacent Key Suppression for tight key layouts
● Sleep mode for low power operation
● Spread spectrum modulated bursts - superior noise rejection
● Sync pin for superior mains frequency noise rejection
● FMEA compliant design features - self detects faults
● Lower per key cost than many mechanical switches
● Lead-free package

APPLICATIONS
◆ PC peripherals
◆ Television controls
◆ Instrument panels
◆ Appliance controls
◆ Pointing devices
◆ Gaming machines