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AT42QT1040-MMHR
Digital burst mode, charge-transfer capacitive sensor driver designed for touch-key applications. It can sense from one to four keys-one to three keys can be di

In supply

Brand: mic

Model: AT42QT1040-MMHR

Anticipation Inventory: Digital burst mode, charge-transfer capacitive sensor driver designed for touch-key applications. It can sense from one to four keys-one to three keys can be di

Description:

Digital burst mode, charge-transfer capacitive sensor driver designed for touch-key applications. It can sense from one to four keys-one to three keys can be di

description of products:

Digital burst mode, charge-transfer capacitive sensor driver designed for touch-key applications. It can sense from one to four keys-one to three keys can be disabled by not installing their respective sense capacitors. The device includes all signal processing functions necessary to provide stable sensing under a wide variety of changing conditions. The outputs are fully debounced. Only a few external parts are required for operation. The device modulates its bursts in a spread-spectrum fashion in order to heavily suppress the effects of external noise and to suppress RF emissions.

product feature:

    • Fourdiscreteoutputsindicatingindividualkeytouch
    • Technology:Patentedspread-spectrumcharge-transfer(directmode)
    • ElectrodeDesign:Simpleself-capacitancestyle
    • ElectrodeMaterials:Etchedcopper,silver,carbon,IndiumTinOxide(ITO)
    • ElectrodeSubstrates:PCB,FPCB,plasticfilms,glass
    • PanelMaterials:Plastic,glass,composites,paintedsurfaces(lowparticledensitymetallicpaintspossible)
    • PanelThickness:Upto10mmglass,5mmplastic(electrodesizedependent)
    • KeySensitivity:Fixedkeythreshold,sensitivityadjustedviasamplecapacitorvalue
    • PatentedAdjacentKeySuppression®(AKS®)technologytoenableaccuratekeydetection
    • Interface:Pin-per-keyoutputs,plusdebugmodetoobservesensorsignals
    • MoistureTolerance:Increasedmoisturetolerancebasedonhardwaredesignandfirmwaretuning
    • SignalProcessing:Self-calibration,autodriftcompensation,noisefiltering
    • Applications:Mobile,consumer,whitegoods,toys,kiosks,POS
    • Power:1.8V–5.5V
    • Package:20-pin3x3mmVQFNRoHScompliant

AT42QT1040-MMHR

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