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QT60486 +BOM

SENSOR IC MTRX TOUCH48KEY 44TQFP

Produttore:

QUANTUM
ProduttorePart #:

QT60486
Scheda dati:

QT60486 Scheda dati (PDF)
Series:

QMatrix™
Programmable:

Not Verified
Type:

Buttons
Proximity Detection:

No
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per QT60486

QT60486 Descrizione generale

OverviewQMatrix devices are digital burst mode charge-transfer (QT) sensors designed specifically for matrix geometry touch controls; they include all signal processing functions necessary to provide stable sensing under a wide variety of changing conditions. Only a few external parts are required for operation. The entire circuit can be built within a few square centimeters of single-sided PCB area. CEM-1 and FR1 punched, single-sided materials can be used for possible lowest cost. The PCB’s rear can be mounted flush on the back of a glass or plastic panel using a conventional adhesive, such as 3M VHB 2-sided adhesive acrylic film.QMatrix parts employ transverse charge-transfer (QT) sensing, a technology that senses changes in electrical charge forced across an electrode by a pulse edge (Figure 1-1).QmBtn software for the PC can be used to program the operation of the IC as well as read back key status and signal levels in real time.The parts are electrically identical with the exception of the number of keys which may be sensed. Advanced second generation QMatrix™ controller Keys individually adjustable for sensitivity, response time, and many other critical parameters Panel thicknesses to 50mm through any dielectric 32 and 48 key versions 100% autocal for life - no in-field adjustments SPI Slave and UART interfaces Sleep mode with wake pin Adjacent key suppression feature Synchronous noise suppression pin Spread-spectrum modulation: high noise immunity Mix and match key sizes & shapes in one panel Low overhead communications protocol FMEA compliant design features Negligible external component count Extremely low cost per key 44-pin Pb-free TQFP package

Specifiche

Category	Integrated Circuits (ICs)InterfaceSensor, Capacitive Touch	Series	QMatrix™
Programmable	Not Verified	Type	Buttons
Proximity Detection	No	Number of Inputs	Up to 48
LED Driver Channels	-	Interface	SPI, UART
Resolution	9 b	Voltage - Supply	4.75V ~ 5.25V
Current - Supply	25mA (Max)	Operating Temperature	-40°C ~ 105°C
Mounting Type	Surface Mount	Base Product Number	QT60486

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