ADS1115中文资料

ADS1115ADS111516-BitADCDSICInterface2VoltageReferenceOscillatorSCLSDAADDRADS1113AIN1AIN016-BitADCDSICInterface2VoltageReferenceOscillatorALERT/RDYSCLSDAADDRPGAComparatorADS1115ADS1114MUXAIN1AIN2AIN0AIN3ADS1115OnlyVDDGNDVDDGNDADS1113ADS1114ADS1115–MAY2009–REVISEDOCTOBER2009具有内部基准的超小型、低功耗、16位模数转换器查询样品:ADS1113,ADS1114,ADS11151特性说明23•超小型QFN封装：ADS1113、ADS1114和ADS1115是具有16位分辨2mmx1.5mmx0.4mm率的高精度模数转换器(ADC)，采用超小型的无引线•宽电源范围：2.0V至5.5VQFN-10封装或MSOP-10封装。ADS1113/4/5在•低电流消耗：设计时考虑到了精度、功耗和实现的简易性。连续模式：仅150μAADS1113/4/5具有一个板上基准和振荡器。数据通单触发模式：自动关断过一个I2C兼容型串行接口进行传输；可以选择4个•可编程数据速率：I2C从地址。ADS1113/4/5采用2.0V至5.5V的单8SPS至860SPS工作电源。•内部低漂移电压基准ADS1113/4/5能够以高达每秒860个采样数据•内部振荡器(SPS)的速率执行转换操作。ADS1114和ADS1115•内部可编程增益放大器(PGA)具有一个板上可编程增益放大器(PGA)，该PGA可提•I2C™接口：引脚可选地址供从电源电压到低至±256mV的输入范围，因而使得•4个单端或2个差分输入(ADS1115)能够以高分辨率来测量大信号和小信号。另•可编程比较器外，ADS1115还具有一个输入多路复用器(MUX)，可（ADS1114和ADS1115）提供2个差分输入或4个单端输入。应用ADS1113/4/5可工作于连续转换模式或单触发模•便携式仪表式，后者在一个转换完成之后将自动断电，从而极大地•消费类商品降低了空闲状态下的电流消耗。ADS1113/4/5具•电池监测有－40℃至＋125℃的规定温度范围。•温度测量•工厂自动化及过程控制1Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.2I2CisatrademarkofNXPSemiconductors.3Allothertrademarksarethepropertyoftheirrespectiveowners.PRODUCTIONDATAinformationiscurrentasofpublicationdate.版权©2009,TexasInstrumentsIncorporatedProductsconformtospecificationsperthetermsoftheTexasInstrumentsstandardwarranty.ProductionprocessingdoesnotEnglishDataSheet:SBAS444Bnecessarilyincludetestingofallparameters.ADS1113ADS1114ADS1115ZHCS311B–MAY2009–REVISEDOCTOBER2009保护。存储或装卸时，应将导线一起截短或将装置放置于导电泡棉中，以防止MOS门极遭受静电损伤。ORDERINGINFORMATIONForthemostcurrentpackageandorderinginformation,seethePackageOptionAddendumattheendofthisdocument,orseetheTIwebsiteat(1)ADS1113,ADS1114,ADS1115UNITVDDtoGND–0.3to+5.5VAnaloginputcurrent100,momentarymAAnaloginputcurrent10,continuousmAAnaloginputvoltagetoGND–0.3toVDD+0.3VSDA,SCL,ADDR,ALERT/RDYvoltagetoGND–0.5to+5.5VMaximumjunctiontemperature+150°CStoragetemperaturerange–60to+150°C(1)StressesabovethoselistedunderAbsoluteMaximumRatingsmaycausepermanentdamagetothedevice.Exposuretoabsolutemaximumconditionsforextendedperiodsmayaffectdevicereliability.PRODUCTFAMILYPACKAGEINPUTCHANNELSDESIGNATORRESOLUTIONMAXIMUMSAMPLE(Differential/DEVICEMSOP/QFN(Bits)RATE(SPS)COMPARATORPGASingle-Ended)ADS1113BROI/N6J16860NoNo1/1ADS1114BRNI/N5J16860YesYes1/1ADS1115BOGI/N4J16860YesYes2/4ADS1013BRMI/N9J123300NoNo1/1ADS1014BRQI/N8J123300YesYes1/1ADS1015BRPI/N7J123300YesYes2/42版权©2009,TexasInstrumentsIncorporatedADS1113ADS1114ADS1115–MAY2009–REVISEDOCTOBER2009ELECTRICALCHARACTERISTICSAllspecificationsat–40°Cto+125°C,VDD=3.3V,andFull-Scale(FS)=±2.048V,unlessotherwisenoted.Typicalvaluesareat+25°C.ADS1113,ADS1114,ADS1115PARAMETERTESTCONDITIONSMINTYPMAXUNITANALOGINPUTFull-scaleinputvoltage(1)VIN=(AINP)–(AINN)±4.096/PGAVAnaloginputvoltageAINPorAINNtoGNDGNDVDDVDifferentialinputimpedanceSee表2FS=±6.144V(1)10MΩFS=±4.096V(1),±2.048V6MΩCommon-modeinputimpedanceFS=±1.024V3MΩFS=±0.512V,±0.256V100MΩSYSTEMPERFORMANCEResolutionNomissingcodes16Bits8,16,32,64,128,Datarate(DR)SPS250,475,860DataratevariationAlldatarates–1010%OutputnoiseSeeTypicalCharacteristicsIntegralnonlinearityDR=8SPS,FS=±2.048V,bestfit(2)1LSBFS=±2.048V,differentialinputs±1±3LSBOffseterrorFS=±2.048V,single-endedinputs±3LSBOffsetdriftFS=±2.048V0.005LSB/°COffsetpower-supplyrejectionFS=±2.048V1LSB/VGainerror(3)FS=±2.048Vat25°C0.010.15%FS=±0.256V7ppm/°CGaindrift(3)FS=±2.048V540ppm/°CFS=±6.144V(1)5ppm/°CGainpower-supplyrejection80ppm/VPGAgainmatch(3)MatchbetweenanytwoPGAgains0.020.1%GainmatchMatchbetweenanytwoinputs0.050.1%OffsetmatchMatchbetweenanytwoinputs3LSBAtdcandFS=±0.256V105dBAtdcandFS=±2.048V100dBCommon-moderejectionAtdcandFS=±6.144V(1)90dBfCM=60Hz,DR=8SPS105dBfCM=50Hz,DR=8SPS105dBDIGITALINPUT/OUTPUTLogiclevelVIH0.7VDD5.5VVILGND–0.50.3VDDVVOLIOL=3mAGND0.150.4VInputleakageIHVIH=5.5V10μAILVIL=GND10μA(1)Thisparameterexpressesthefull-scalerangeoftheADCscaling.InnoeventshouldmorethanVDD+0.3Vbeappliedtothisdevice.(2)99%offull-scale.(3)IncludesallerrorsfromonboardPGAandreference.版权©2009,TexasInstrumentsIncorporated312345109876ADDRALERT/RDY(ADS1114/5Only)GNDAIN0AIN1SCLSDAVDDAIN3(ADS1115Only)AIN2(ADS1115Only)ADS1113ADS1114ADS1115DGSPACKAGEMSOP-10(TOPVIEW)5101234ADDRALERT/RDY(ADS1114/5Only)GNDAIN0AIN1SCL9876SDAVDDAIN3(ADS1115Only)AIN2(ADS1115Only)ADS1113ADS1114ADS1115RUGPACKAGEQFN-10(TOPVIEW)ADS1113ADS1114ADS1115ZHCS311B–MAY2009–REVISEDOCTOBER2009(接下页)Allspecificationsat–40°Cto+125°C,VDD=3.3V,andFull-Scale(FS)=±2.048V,unlessotherwisenoted.Typicalvaluesareat+25°C.ADS1113,ADS1114,ADS1115PARAMETERTESTCONDITIONSMINTYPMAXUNITPOWER-SUPPLYREQUIREMENTSPower-supplyvoltage25.5VPower-downcurrentat25°C0.52μAPower-downcurrentupto125°C5μASupplycurrentOperatingcurrentat25°C150200μAOperatingcurrentupto125°C300μAVDD=5.0V0.9mWPowerdi