Transcription of ±1°C Remote and Local Temperature Sensor …
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±1°C Remote and Local Temperature Sensor …
+5 VSCLGNDSDAV+SMBusController8576 tmp421 DXPDXNA1A012341 Channel Local1 Channel RemoteTMP422DX1DX2DX3DX412341 Channel Local2 Channels RemoteTMP423 DXP1 DXP2 DXP3 DXN12341 Channel Local3 Channels JULY2007 REVISEDMAY2012 1 C RemoteandLocalTEMPERATURESENSORC heckforSamples: tmp421 , TMP422, TMP4231 FEATURESDESCRIPTIONTheTMP421,TMP422,andT MP423areremote234 SOT23-8andDSBGA(WCSP)PACKAGES temperaturesensormonitorswithabuilt-inlo cal 1 C REMOTEDIODESENSOR(MAX) C LOCALTEMPERATURESENSOR(MAX)diode-connect edtransistorsaretypicallylow-cost,NPN-or PNP-typetransistorsordiodesthatarean SERIESRESISTANCECANCELLATION integralpartofmicrocontrollers,microproc essors,or n-FACTORCORRECTIONFPGAs. TWO-WIRE/SMBus SERIALINTERFACER emoteaccuracyis 1 CformultipleIC MULTIPLEINTERFACEADDRESSES manufacturers, DIODEFAULTDETECTION wireserialinterfaceacceptsSMBuswritebyte ,readbyte,sendbyte,andreceivebytecommand sto ,TMP422,andTMP423includeseriesresistance cancellation,programmablenon-ideality PROCESSOR/FPGATEMPERATURE factor,wideremotetemperaturemeasurementr angeMONITORING(upto+150 C),anddiodefaultdetection.
TMP421 TMP422 TMP423 SBOS398C – JULY 2007– REVISED MAY 2012 www.ti.com This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with
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