QT1100A-ISG - 10 KEY QTOUCH SENSOR IC
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Figure 1.1 SPI Connection Diagram .
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Figure 1.2 UART / Scanport Connection Diagram .
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Figure 1.3 Scanport Only Connection Diagram+ .
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2 Device Control & Wiring .
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www.DataSheet4U.com lQ QT1100A-ISG 10 KEY QTOUCH™ SENSOR IC ADVANCED INFORMATION z 10 independent touch sensing fields z 100% autocal for life - no adjustments required z SPI and UART serial interfaces z Scanport output - simulates a membrane keypad z Simple external per channel passive circuit z User-defined setups of operating parameters z 3.3V~5.0V single supply operation z AKS™ Adjacent Key Suppression for tight key layouts z Sleep mode for low power operation z Spread spectrum modulated
QT1100A-ISG Features
* - self detects faults z Lower per key cost than many mechanical switches z Lead-free package APPLICATIONS
* PC peripherals
* Television controls
* Instrument panels
* Appliance controls
* Pointing devices
* Gaming machines Actual Size QT1100A charge-transfer (“QT”) QTouch I
