8KEYSTOUCHPADDETECTORICGENERALDESCRIPTIONTheTTP225-806QisatouchpaddetectorICwithopendrainoutputwhichoffers8touchkeys.ThetouchingdetectionICisdesignedforreplacingtraditionaldirectbuttonkeywithfixedpadsize.LowpowerconsumptionandwideoperatingvoltagearethecontactkeyfeaturesforDCorACapplication.FEATURES?Operatingvoltage2.0V~5.5V?Operatingcurrenttypical120uA，max160uAatVDD=3V?Theoutputrefreshrateabout85HzatVDD=3V?64stepssensitivityselectable(SLSE0~5pinoption)Thedifferentclocknumbersof1-stepis2clocks?Stabletouchingdetectionofhumanbodyforreplacingtraditionaldirectswitchkey?Providesdirectmode、matrixmodeandserialmodeselectedbypadoption?Maximum8inputpadsand8outputsfordirectmodeMaximum8inputpadsforserialinterfacemodeMaximum8inputpadsprovidefixed2*4and3*3matrixtypes?Outputs(Q0~Q7)areopendrain(activelow)?Afterpower-onhave0.5~0.7secstable-time，duringthetimedonottouchthekeypad，Andthefunctionisdisabled.?Autocalibrationforlife.Andthere-calibrationperiodis0.5~0.7sec.Whenallkeysdonottouched.APPLICATION?Wideconsumerproducts?ButtonkeyreplacementPACKAGECONFIGURATION