MAX44009

_______________________________________________________________MaximIntegratedProducts1Forpricing,delivery,andorderinginformation,pleasecontactMaximDirectat1-888-629-4642,orvisitMaxim’swebsiteat’sLowest-PowerAmbientLightSensorwithADCMAX4400919-5719;Rev0;1/11GeneralDescriptionTheMAX44009ambientlightsensorfeaturesanI2Cdigitaloutputthatisidealforanumberofportableappli-cationssuchassmartphones,notebooks,andindustrialsensors.Atlessthan1µAoperatingcurrent,itisthelowestpowerambientlightsensorintheindustryandfeaturesanultra-wide22-bitdynamicrangefrom0.045luxto188,000lux.Low-lightoperationallowseasyoperationindark-glassapplications.Theon-chipphotodiode’sspectralresponseisoptimizedtomimicthehumaneye’sperceptionofambientlightandincorporatesIRandUVblockingcapability.Theadaptivegainblockautomaticallyselectsthecorrectluxrangetooptimizethecounts/lux.TheICisdesignedtooperatefroma1.7Vto3.6Vsup-plyvoltagerangeandconsumesonly0.65µAinfulloperation.Itisavailableinasmall,2mmx2mmx0.6mmUTDFN-Optopackage.ApplicationsTabletPCs/NotebookComputersTVs/Projectors/DisplaysDigitalLightingManagementPortableDevicesCellularPhones/SmartphonesSecuritySystemsFeaturesSWide0.045Luxto188,000LuxRangeSSmall,2mmx2mmx0.6mmUTDFN-OptoSVCC=1.7Vto3.6VSICC=0.65µAOperatingCurrentS-40NCto+85NCTemperatureRangeSDeviceAddressOptions1001010xand1001011xOrderingInformation+Denotesalead(Pb)-free/RoHS-compliantpackage.*EP=Exposedpad.BlockDiagramEVALUATIONKITAVAILABLEPARTPIN-PACKAGETEMPRANGEMAX44009EDT+6UTDFN-Opto-EP*-40NCto+85NCDIGITALSIGNALPROCESSING6-BITRANGECDR,TIMCONTROLVISIBLE+IRPHOTODIODEIRPHOTODIODEI2CVCCMAX44009NGNDAOSCLSDAINT16-BITADC16-BITADCIndustry’sLowest-PowerAmbientLightSensorwithADCMAX440092Stressesbeyondthoselistedunder“AbsoluteMaximumRatings”maycausepermanentdamagetothedevice.Thesearestressratingsonly,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedintheoperationalsectionsofthespecificationsisnotimplied.Exposuretoabsolutemaximumratingconditionsforextendedperiodsmayaffectdevicereliability.INTtoGND...............................................-0.3Vto(VCC+0.3V)AllOtherPinstoGND.............................................-0.3Vto+4VINTShort-CircuitCurrentDuration........................................10sAllOtherPinsShort-CircuitCurrentDuration............ContinuousContinuousInputCurrentintoAnyTerminal...................Q20mAContinuousPowerDissipation6UTDFN-Opto(derate11.9mW/NCabove+70NC).....953mWOperatingTemperatureRange..........................-40NCto+85NCELECTRICALCHARACTERISTICS(VCC=1.8V,TMINtoTMAX=-40NCto+85NC,unlessotherwisenoted.)(Note1)ABSOLUTEMAXIMUMRATINGSPARAMETERSYMBOLCONDITIONSMINTYPMAXUNITSOPTICALCHARACTERISTICSMaximumLuxSensitivityFluorescentlight0.045Lux/LSBSaturationAmbientLuxLevelSunlight188,000LuxTotalErrorTEGreenLED538nmresponse,TA=+25NC(Note2)15%LightSourceMatchingFluorescent/incandescentlight10%InfraredTransmittanceat940nmIRRTA=+25NC(Note3)00.5%UltravioletTransmittanceat363nmUVRTA=+25NC(Note3)1.2%DarkLevelCount0LUX0lux,TA=+25NC,800msrange00.045LuxMaximumSignalIntegrationTimeHas50/60Hzrejection800msMinimumSignalIntegrationTimeAutomaticmode,has50/60Hzrejection100msManualmodeonly6.25ADCConversionTimeACT100msrange,TA=+25NC99.6100100.4ms100msrange97103107POWERSUPPLYPower-SupplyVoltageVCCGuaranteedbyTEtest1.73.6VPower-SupplyCurrentICCTA=+25NC,90lux,I2Cinputsinactive0.651.2FATA=-40NCto+85NC1.6DIGITALI/OCHARACTERISTICSOutputLowVoltageSDA,INTVOLISINK=6mA0.060.4VINTLeakageCurrentTA=+25NC0.0120nASCL,SDA,A0InputCurrentIIH,IILTA=+25NC0.0120nAI2CInputLowVoltageVIL_I2CSDA,SCL0.3xVCCVI2CInputHighVoltageVIH_I2CSDA,SCL0.7xVCCVAddressInputLowVoltageVIL_A0A00.3VAddressInputHighVoltageVIH_A0A0VCC-0.3VVInputCapacitance3pFIndustry’sLowest-PowerAmbientLightSensorwithADCMAX440093ELECTRICALCHARACTERISTICS(continued)(VCC=1.8V,TMINtoTMAX=-40NCto+85NC,unlessotherwisenoted.)(Note1)Note1:Alldevicesare100%productiontestedatTA=+25NC.Temperaturelimitsareguaranteedbydesign.Note2:Green538nmLEDchosenforproductionissuchthattheICrespondsto100luxfluorescentlightwith100lux.Note3:WithrespecttogreenLED538nmresponse.Note4:Amasterdevicemustprovideaholdtimeofatleast300nsfortheSDAsignal(referredtoVILoftheSCLsignal)tobridgetheundefinedregionofSCL’sfallingedge.PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITSI2CTIMINGSerial-ClockFrequencyfSCL400kHzBusFreeTimeBetweenaSTOPandaSTARTConditiontBUF1.3FsHoldTime(Repeated)STARTConditiontHD,STA0.6FsLowPeriodoftheSCLClocktLOW1.3FsHighPeriodoftheSCLClocktHIGH0.6FsSetupTimeforaRepeatedSTARTConditiontSU,STA0.6FsDataHoldTimetHD,DAT(Note4)00.9FsDataSetupTimetSU,DAT100nsFallTimeofSDATransmittingtFISINKP6mA,tRandtFaremeasuredbetween0.3xVDDand0.7xVDD100nsSetupTimeforSTOPConditiontSU,STO0.6FsPulseWidthofSpikeSuppressedtSPInputfiltersontheSDAandSCLinputssuppressnoisespikes050nsIndustry’sLowest-PowerAmbientLightSensorwithADCMAX440094TypicalOperatingCharacteristics(VCC=1.8V,defaultpower-upsetting,unlessotherwisenoted.)SPECTRUMRESPONSEMAX44009toc01WAVELENGTH(nm)CIENORMALIZEDRESPONSE900800700600500400204