MAX44009-中文手册

AVAILABLEEVALUATIONKITAVAILABLE本文是英文数据资料的译文，文中可能存在翻译上的不准确或错误。如需进一步确认，请在您的设计中参考英文资料。有关价格、供货及订购信息，请联络Maxim亚洲销售中心：108008521249(北中国区)，108001521249(南中国区)，或访问Maxim的中文网站：china.maximintegrated.com。功耗最低的环境光传感器，内置ADC19-5719;Rev0;1/11 概述MAX44009环境光传感器提供I2C数字输出，可理想用于智能手机、笔记本电脑、工业传感器等便携产品。器件工作电流小于1µA，是业内功耗最低的环境光传感器，具有22位超宽动态范围(0.045流明至188,000流明)。由于能够检测极其微弱的光线，可理想工作在深色玻璃环境下。片上光电二极管的光谱响应针对人眼对环境光的响应进行优化，集成红外及紫外线屏蔽。自适应增益电路可自动选择正确的流明范围优化测试(计数值/流明)。IC设计工作在1.7V至3.6V供电电压范围，满负荷工作时仅消耗0.65µA电流。器件采用小尺寸2mm x 2mm x 0.6mm UTDFN-Opto封装。 应用平板PC/笔记本电脑TV/投影仪/显示器数字照明管理便携式设备蜂窝电话/智能电话安全系统 特性S0.045流明至188,000流明宽检测范围S小尺寸、2mmx2mmx0.6mmUTDFN-Opto封装SVCC=1.7V至3.6VS工作电流ICC=0.65µAS-40°C至+85°C工作温度范围S器件可选地址1001010x和1001011x 定购信息+表示无铅(Pb)/符合RoHS标准的封装。*EP = 裸焊盘 方框图PARTPIN-PACKAGETEMP_RANGEMAX44009EDT+6UTDFN-Opto-EP*-40NCto+85NCDIGITALSIGNALPROCESSING6-BITRANGECDR,TIMCONTROLVISIBLE+IRPHOTODIODEIRPHOTODIODEI2CVCCMAX44009NGNDAOSCLSDAINT16-BITADC16-BITADCMAX44009功耗最低的环境光传感器，内置ADCStressesbeyondthoselistedunder“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+85NCELECTRICAL_CHARACTERISTICS(VCC=1.8V,TMINtoTMAX=-40NCto+85NC,unlessotherwisenoted.)(Note1)AbSoLuTE_MAxIMuM_RATINGSPARAMETERSYMboLCoNDITIoNSMINTYPMAxuNITSoPTICAL_CHARACTERISTICSMaximumLuxSensitivityFluorescentlight0.045Lux/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=+25NC99.6100100.4ms100msrange97103107PoWER_SuPPLYPower-SupplyVoltageVCCGuaranteedbyTEtest1.73.6VPower-SupplyCurrentICCTA=+25NC,90lux,I2Cinputsinactive0.651.2FATA=-40NCto+85NC1.6DIGITAL_I/o_CHARACTERISTICSOutputLowVoltageSDA,INTVOLISINK=6mA0.060.4VINTLeakageCurrentTA=+25NC0.0120nASCL,SDA,A0InputCurrentIIH,IILTA=+25NC0.0120nAI2CInputLowVoltageVIL_I2CSDA,SCL0.3xVCCVI2CInputHighVoltageVIH_I2CSDA,SCL0.7xVCCVAddressInputLowVoltageVIL_A0A00.3VAddressInputHighVoltageVIH_A0A0VCC-0.3VVInputCapacitance3pF2MaximIntegratedMAX44009功耗最低的环境光传感器，内置ADCELECTRICAL_CHARACTERISTICS_(continued)(VCC=1.8V,TMINtoTMAX=-40NCto+85NC,unlessotherwisenoted.)(Note1)Note_1:Alldevicesare100%productiontestedatTA=+25NC.Temperaturelimitsareguaranteedbydesign.Note_2:Green538nmLEDchosenforproductionissuchthattheICrespondsto100luxfluorescentlightwith100lux.Note_3:WithrespecttogreenLED538nmresponse.Note_4:Amasterdevicemustprovideaholdtimeofatleast300nsfortheSDAsignal(referredtoVILoftheSCLsignal)tobridgetheundefinedregionofSCL’sfallingedge.PARAMETERSYMboLCoNDITIoNSMINTYPMAxuNITSI2C_TIMINGSerial-ClockFrequencyfSCL400kHzBusFreeTimeBetweenaSTOPandaSTARTConditiontBUF1.3FsHoldTime(Repeated)STARTConditiontHD,STA0.6FsLowPeriodoftheSCLClocktLOW1.3FsHighPeriodoftheSCLClocktHIGH0.6FsSetupTimeforaRepeatedSTARTConditiontSU,STA0.6FsDataHoldTimetHD,DAT(Note4)00.9FsDataSetupTimetSU,DAT100nsFallTimeofSDATransmittingtFISINKP6mA,tRandtFaremeasuredbetween0.3xVDDand0.7xVDD100nsSetupTimeforSTOPConditiontSU,STO0.6FsPulseWidthofSpikeSuppressedtSPInputfiltersontheSDAandSCLinputssuppressnoisespikes050nsMaximIntegrated3MAX44009功耗最低的环境光传感器，内置ADC 典型工作特性(VCC=1.8V,defaultpower-upsetting,unlessotherwisenoted.)SPECTRUMRESPONSEMAX44009toc01WAVELENGTH(nm)CIENORMALIZEDRESPONSE9008007006005004002040608010012003001000MAX44009RESPONSERADIATIONPATTERNMAX44009toc02LUMINOSITYANGLE(°)RELATIVESENSITIVITY(%FROM0°)60300-30-601020304050607080901000-9090AUTOMODE,INCANDESCENTLAMPSPECTRUMOFLIGHTSOURCESFORMEASUREMENTMAX44009toc03WAVELENGTH(nm)NORMALIZEDRESPONSE9008004005006007002040608010012014016003001000INCANDESCENTSUNLIGHTFLUORESCENTSUPPLYCURRENTvs.SUPPLYVOLTAGEMAX44009toc04SUPPLYVOLTAGE(V)SUPPLYCURRENT(μA)3.33.02.72.42.11.80.20.40.60.81.01.21.401.53.60LUXAND100LUX,CONT=15000LUX,CONT=0100LUX,CONT=0AUTOMODE,FLUORESCENTLAMPOUTPUTCODEERRORvs.SUPPLYVOLTAGEMAX44009toc05SUPPLYVOLTAGE(V)OUTPUTCODEERROR(RATIOFROM1.8V)3.33.02.42.72.11.80.920.940.960.981.001.021.041.061.081.100.901.53.650LUXAND300LUXAUTOMODE,FLUORESCENTLAMPSUPPLYCURRENTvs.TEMPERATUREMAX44009toc06TEMPERATURE(°C)SUPPLYCURRENT(μA)603510-