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QT1100A-ISG

Part Number	QT1100A-ISG
Manufacturer	QUANTUM
Description	10 KEY QTOUCH SENSOR IC
Published	Dec 19, 2006
Detailed Description	www.DataSheet4U.com lQ QT1100A-ISG 10 KEY QTOUCH™ SENSOR IC ADVANCED INFORMATION z 10 independent touch sensing field...
Datasheet	QT1100A-ISG PDF File

Overview

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 bursts - superior noise rejection z Sync pin for superior mains frequency noise rejection z FMEA compliant design 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 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.
Each key channel operates independently, and can be tuned to a unique sensitivity level by simply changing setup values in an EEPROM or via a serial interface.
An external EEPROM can store the setups permanently for standalone applications, for example when using the scanport, or, the EEPROM can be omitted if the serial port is used to send setup information after each power-up.
Included is patent pending AKS™ Adjacent Key Suppression which suppresses touch from weakly responding keys and allows only a dominant key to detect, to solve the problem of large fingers on tightly spaced keys.
Modulated burst technology provides...

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QT1100A-ISG 10 KEY QTOUCH SENSOR IC - QUANTUM

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