sht71 75中文资料

1/11DatasheetSHT7x(SHT71,SHT75)•••••–1:SHT7x(SHT71SHT75)mm(1mm=0.039inch).1:SCK,2:VDD,3:GND,4:DATA.HPCB100nF–2.1SHT7x-V4SHT7x-V4A/DOTPB2G1CMOSLCPFR4Cu/BeNiAu.ROHSWEEEPb,Cd,Hg,Cr(6+),PBB,PBDEEK-H2EK-H320Ø0.43.12.20.62.00.23.719.56.03.43.713.56.41.20.461.275.0871B2G1234SHT1x(SHT71SHT75)SensirionCMOSens®14A/DOTPSHT1xSHT7xFR4.SHT1XPCBSHTA1DatasheetSHT7x2/111210.40.050.05%RH81212bit2SHT71±3.0%RH22SHT75±1.8%RH2±0.1%RH±1%RH±3%RH1%RH3tau63%8s0100%RH40.5%RH/yrSHT71SHT75±0±2±4±60102030405060708090100RelativeHumidity(%RH)∆RH(%RH)2:25°C2.43.35.5V525µW3mW150µW,10–50°C(0–80°C),20–60%RH11412128225°C(77°F)3.3V325°C1m/s63%4510.040.010.01°C121414bit2SHT71±0.4°C32SHT75±0.3°C3±0.1°C-40123.8°C-40254.9°F6tau63%530s0.04°C/yrSHT71SHT75±0.0±0.5±1.0±1.5±2.0±2.5±3.0-40-20020406080100Temperature(°C)∆T(°C)3:SHT71TapeStripes501-100092-04SHT75TapeStripes501-100071-044.1.3525°CVDD=5.5V,1263/11SHT7x11.1460+3%RH1.4Max.RangeNormalRange020406080100-40-20020406080100120Temperature(°C)RelativeHumidity(%)4:1.2“Preci-dip/Mill-Max851-93-004-20-001”235°C20.5350°C7.75%RH12.,PCB.1.3ESD10-500-12520-60%RHESDPE-HD8.7235°C455°F,350°C662°F8,3M,“1910”.“HandlingInstructions”Sensirion.1.4:100–105°C5%RH10:20–30°C~75%RH129.1.5SHT7xSHT7x3.31.6SHT7x1.7/,LCP,POM(Delrin),PTFE(Teflon),PE,PEEKPP,PB,PPS,PSU,PVDF,PVFSHT7x(1.3)5024975%RHNaCl100-105212-22120-3068-86DatasheetSHT7x4/111.8SHT7xSCKDATAVDD/GNDSCK“ESD,LatchupandEMC”1.9ESD()ESDMILSTD883E30152KVJEDEC78A±100mATamb=80ESDlatch-upEMC”21SCK,2VDD3GND4DATA,1:SHT7x2.1(VDD,GND)SHT7x2.4-5.5V,3.3VVDDGND100nFSHT7xSHT7xI2CI2CI2C5:,RP.2.2(SCK)SCKSHT7xSCK2.3(DATA)DATA.,DATASCKSCKDATASCKDATASCKTSUandTHO–6.,DATATVSCKSCKDATA10kI/OI/O2B2G711234VDDGNDDATASCK71B2G1234Micro-Controller(Master)SHT7x(Slave)RP10kΩDatasheetSHT7x5/112.42SHT7x5V36DC102.43.35.5V0.551mA11228µA0.31.5µAIOL4mA0250mVRP25kΩ90%100%VDD0%20%VDD80%100%VDD1µA4mA()1020µA2:SHT7xRPIOL6:,3.,3DATA,DATA.SCK103.3V118OTP12FSCKSCKVDD4.5V00.15MHzVDD4.5V00.11MHzTSCKxSCK/100nsTR/TFSCK/1200*nsTFODATAOL=5pF3.51020nsOL=100pF3040200nsTRODATA******nsTVDATA200250***nsTSUDATA100150***nsTHODATA1015****ns*TR_max+TF_max=(FSCK)-1–TSCKH–TSCKL**TR0isdeterminedbytheRP*Cbustime-constantatDATAline***TV_maxandTSU_maxdependonexternalpull-upresistor(RP)andtotalbuslinecapacitance(Cbus)atDATAline****TH0_maxTV–max(TR0,TF0)3:SHT7xI/O,6OL33.11V/ms11ms3.2SCKDATASCKSCKDATA–7.7:000SHT1x8SCKDATAACK9SCKDATASCK90%10%90%10%DATAvalidreadDATAvalidwriteDATASCK90%10%90%10%TVTSCKLTSUTHOTSCKTSCKHTRTFTROTFODatasheetSHT7x6/11DATA0000x000110010100111001100101x-1110x,,.11ms.111104:SHT7x3.300000101RH00000011T20/80/320ms8/12/14bit-30%SHT7xDATASCK21CRCuCDATAMSB12bit5SCKMSB8bitCRCCRC-8LSBSHT7x:0.1°C,SHT7x10%–e.g.12113.4DATASCK9138:3.5CRC-8CRC-8.CRCCRC“CRC-8ChecksumCalculation”3.6SHT1x8–4–910–5.TSACKBit7ACK00000110StatusRegister9:10:1112.TSWaitforDATAreadyACK000Command00MSBLSbACKACKLSBChecksum11:.TS=,MSB=,LSB=,LSb=TSACKBit7ACKBit7ACK00000111StatusRegisterChecksumDATASCK90%10%90%10%1234-89TransmissionStartDatasheetSHT7x7/1112:0000010000110001=1073=35.50%RHDATADATADATADATA706R()‘0’forVDD2.47‘1’forVDD2.47‘X,5040302R/W01R/WOTP00R/W’1’=8bit/12bit’0’=12bit/14bit012bit14bit5::14bit()12bit()128bit.2.47V±0.05V.5–10°C128mA@5V129–18°F:..,44.113–6:2RH3RH21linearSOcSOccRH⋅+⋅+=(%RH)SORHc1c2c312bit-2.04680.0367-1.5955E-68bit-2.04680.5872-4.0845E-46:V46V4Cx*V3V47SORHc1*c2*c3*12bit-4.00000.0405-2.8000E-68bit-4.00000.6480-7.2000E-47:V3V4DATADATASCKSCKSCKDATAA2A1A0C4C3C2C1C0ACK15141312111098ACK76543210ACK76543210ACKTransmissionStartAddress=‘000’Command=‘00101’12bitHumidityDataCRC-8ChecksumTransmissionStartMeasurement(80msfor12bit)Sleep(waitfornextmeasurement)IdleBitsSkipACKtoendtrans-mission(ifnoCRCisused)SensorpullsDATAlinelowaftercompletionofmeasurementMSbLSbMSbLSb15141312111098ACK76543210A2A1A0C4C3C2C1C0ACK76543210ACKACKDatasheetSHT7x8/11,“RHandTemperatureNon-LinearityCompensation”.99%100%RH13.0%20%40%60%80%100%0500100015002000250030003500SORHsensorreadout(12bit)RelativeHumidity13:SORH4.225(~77)0.12%RH/@50%RH8()()linearRH21CtrueRHSOtt25TRH+⋅+⋅−=°SORHt1t212bit0.010.000088bit0.010.001288:144.3PTAT()(SOT)9:T21SOddT⋅+=VDDd1(°C)d1(°F)SOTd2(°C)d2(°F)5V-40.1-40.214bit0.010.0184V-39.8-39.612bit0.040.0723.5V-39.7-39.53V-39.6-39.32.5V-39.4-38.99:15.13100%RH0%RH14V3V415SHTxxversion3.01V3V44.4SHT7x,.SHT7x-40–50°C10:()TTTm100%RHlnmTTTm100%RHlnTTRH,Tnnnd+⋅−−+⋅+⋅=Tn(°C)mAbovewater,0–50°C243.1217.62Aboveice,-40–0°C272.6222.4610:(Td)“ln(…)”.RHT“Dewpointcalculation”.5“QualificationGuide”.SHT1x11Sensirion16HTOL125°C,1000hTC-40°C-125°C,500cyclesAcc.JESD22-A104-CTHU85°C/85%RH,1000hESDMILSTD883E,3015(±2kV)Latch-upTamb=80°C±100mA,acc.JEDEC1711::HTSL=,TC=UHST=,THU=162DatasheetSHT7x9/1166.10.6mmFR4.FR41.3m0.5mGNDVDDGND100nFSHT7xRoHSWEEEPbCdHgCr6+PBBPBDE19.55.083.1mm168mg,73mg1.27mm(0.05”)Preci-dip/Mill-Max851-93-004-20-0016.2SHT1x3V331“B2G”.Sensirion1415,14::XX=(71SHT71),04=(V4),Y=,RRRR=,TTTT=.15:12,()(DD=MM=,YYYY=),CCCC=.6.3SHT7x32mm50–1612.6.2.SHT71TapeStripes501-100092-04SHT75TapeStripes501-100071-0412:16.77DeviceType:1-100PPP-04Descript