ACS754LCB-050-PFF 參數(shù)：ACS754電流傳感器功能及優(yōu)點高可靠性的單片霍爾IC+5V單電源端子4/5和引腳1/2/3之間的隔離電壓高達3kVRMS35kHz帶寬汽車溫度范圍下線工廠校準增益和偏移超低功率損耗：100 Ω內部導體電阻電源電壓的成比例輸出極度穩(wěn)定的輸出偏移電壓小型封裝尺寸，安裝簡便輸出與交流和直流電流成比例ACS754CurrentSensorsThesepartsareinproductionbuthavebeendeterminedtobeNOTFORNEWDESIGNorLASTTIMEBUYdependingoncurrentrange,temperaturerating,andpackagestyle.Saleofthisdeviceiscurrentlyrestrictedtoexistingcustomerapplications.Thedeviceshouldnotbepurchasedfornewdesignapplicationsbecauseofobsolescenceinthenearfuture.Samplesarenolongeravailable.Dateofstatuschange:May4,2009.ForthedevicesonLASTTIMEBUYstatus,thedeadlineforreceiptofordersisNovember4,2009.Forexistingcustomertransition,andfornewcustomersornewapplications,refertotheACS756andACS758.FeaturesandBenefitsMonolithicHallICforhighreliabilitySingle+5 Vsupply3 kVRMSisolationvoltagebetweenterminals4/5andpins1/2/3forupto1 minute35 kHzbandwidthAutomotivetemperaturerangeEnd-of-linefactory-trimmedforgainandoffsetUltra-lowpowerloss:100 ΩinternalconductorresistanceRatiometricoutputfromsupplyvoltageExtremelystableoutputoffsetvoltageSmallpackagesize,witheasymountingcapabilityOutputproportionaltoACandDCcurrentsDescriptionTheAllegroACS75xfamilyofcurrentsensorsprovideseconomicalandprecisesolutionsforcurrentsensinginindustrial,automotive,commercial,andcommunicationssystems.Thedevicepackageallowsforeasyimplementationbythecustomer.Typicalapplicationsincludemotorcontrol,loaddetectionandmanagement,powersupplies,andovercurrentfaultprotection.Thedeviceconsistsofaprecision,low-offsetlinearHallsensorcircuitwithacopperconductionpathlocatednearthedie.AppliedcurrentflowingthroughthiscopperconductionpathgeneratesamagneticfieldwhichissensedbytheintegratedHallICandconvertedintoaproportionalvoltage.DeviceaccuracyisoptimizedthroughthecloseproximityofthemagneticsignaltotheHalltransducer.Aprecise,proportionalvoltageisprovidedbythelow-offset,chopper-stabilizedBiCMOSHallIC,whichisprogrammedforaccuracyatthefactory.Theoutputofthedevicehasapositiveslope(>VCC/2)whenanincreasingcurrentflowsthroughtheprimarycopperconductionpath(fromterminal4toterminal5),whichisthepathusedforcurrentsensing.Theinternalresistanceofthisconductivepathistypically100 Ω,providinglowpowerloss.Thethicknessofthecopperconductorallowssurvivalofthedeviceatupto5×overcurrentconditions.Theterminalsoftheconductivepathareelectricallyisolatedfromthesensorleads(pins1through3).ThisallowstheACS75xfamilyofsensorstobeusedinapplicationsrequiringelectricalisolationwithouttheuseofopto-isolatorsorothercostlyisolationtechniques.Thedeviceisfullycalibratedpriortoshipmentfromthefactory.TheACS75xfamilyislead(Pb)free.Allpinsarecoatedwith100%mattetin,andthereisnoleadinsidethepackage.Theheavygaugeleadframeismadeofoxygen-freecopper.FunctionalBlockDiagram