MAX3221EEAE+中文资料

GeneralDescriptionTheMAX3221E/MAX3223E/MAX3243Eare3V-poweredEIA/TIA-232andV.28/V.24communicationsinterfaceswithautomaticshutdown/wakeupfeatures,highdata-ratecapabilities,andenhancedelectrostaticdischarge(ESD)protection.Alltransmitteroutputsandreceiverinputsareprotectedto±15kVusingIEC1000-4-2Air-GapDischarge,to±8kVusingIEC1000-4-2ContactDischarge,andto±15kVusingtheHumanBodyModel.TheMAX3221E/MAX3223E/MAX3243Eachievea1µAsupplycurrentwithMaxim’srevolutionaryAutoShutdown™feature.TheysavepowerwithoutchangestotheexistingBIOSoroperatingsystembyenter-inglow-powershutdownmodewhentheRS-232cableisdisconnected,orwhenthetransmittersoftheconnectedperipheralsareoff.Thetransceivershaveaproprietarylow-dropouttrans-mitteroutputstage,deliveringtrueRS-232performancefroma+3.0Vto+5.5Vsupplywithadualchargepump.Thechargepumprequiresonlyfoursmall0.1µFcapaci-torsforoperationfroma+3.3Vsupply.Eachdeviceisguaranteedtorunatdataratesof250kbpswhilemain-tainingRS-232outputlevels.TheMAX3221Econtainsjustonedriverandonereceiver,makingitthesmallestsingle-supplyRS-232transceiver.TheMAX3223Ehastwodriversandtworeceivers.TheMAX3243Eisacomplete3-driver/5-receiverserialportidealfornotebookorsubnotebookcomputers.Italsoincludestwononinvertingreceiveroutputsthatarealwaysactive,allowingexternaldevicestobemonitoredwithoutforwardbiasingtheprotectiondiodesincircuitrythatmaybepowereddown.TheMAX3221E,MAX3223E,andMAX3243Eareavail-ableinspace-savingTQFN,SSOP,andTSSOPpack-ages.ApplicationsNotebook,Subnotebook,andPalmtopComputersCellularPhonesBattery-PoweredEquipmentHandheldEquipmentPeripheralsPrintersNextGenerationDeviceFeatures♦ForSpace-ConstrainedApplications:MAX3228E/MAX3229E:±15kVESD-Protected,+2.5Vto+5.5VRS-232TransceiversinUCSP™MAX3222E/MAX3232E/MAX3237E/MAX3241E/MAX3246E:±15kVESD-ProtectedDownto10nA,+3.0Vto+5.5V,Upto1Mbps,TrueRS-232Transceivers(MAX3246EAvailableinaUCSPPackage)♦ForDataCableApplications:MAX3380E/MAX3381E:+2.35Vto+5.5V,1µA,2Tx/2RxRS-232Transceiverswith±15kVESD-ProtectedI/OandLogicPinsMAX3221E/MAX3223E/MAX3243E†±15kVESD-Protected,1µA,3.0Vto5.5V,250kbps,RS-232TransceiverswithAutoShutdown________________________________________________________________MaximIntegratedProducts119-1283;Rev6;9/05PARTMAX3221ECUEMAX3221EEAE-40°Cto+85°C0°Cto+70°CTEMPRANGEPIN-PACKAGE16TSSOP16SSOPAutoShutdownandUCSParetrademarksofMaximIntegratedProducts,Inc.†CoveredbyU.S.Patentnumbers4,636,930;4,679,134;4,777,577;4,797,899;4,809,152;4,897,774;4,999,761;5,649,210;andotherpatentspending.PinConfigurationsappearatendofdatasheet.TypicalOperatingCircuitsappearatendofdatasheet.*Exposedpaddle.OrderingInformationcontinuedatendofdatasheet.MAX3223EEPP-40°Cto+85°C20PlasticDIPMAX3223EEAP-40°Cto+85°C20SSOPMAX3221EETEMAX3223ECAP0°Cto+70°C-40°Cto+85°C16ThinQFN-EP(5mmx5mm)20SSOPOrderingInformationSelectorGuideMAX3223ECUP0°Cto+70°C20TSSOPMAX3223EEUP-40°Cto+85°C20TSSOPForpricing,delivery,andorderinginformation,pleasecontactMaxim/DallasDirect!at1-888-629-4642,orvisitMaxim’swebsiteat—————T1655-2——MAX3221ECAE0°Cto+70°C16SSOP—MAX3221ECTE0°Cto+70°C16ThinQFN-EP(5mmx5mm)T1655-2MAX3221EEUE-40°Cto+85°C16TSSOP—MAX3223ECPP0°Cto+70°C20PlasticDIP—MAX3223ECTP0°Cto+70°C20ThinQFN-EP*(5mmx5mm)T2055-5MAX3223EETP-40°Cto+85°C20ThinQFN-EP*(5mmx5mm)T2055-5PARTNO.OFDRIVERS/RECEIVERSVCCRANGE(V)AutoShutdownMAX3221E1/1+3.0to+5.5✔MAX3223E2/2+3.0to+5.5✔MAX3243E3/5+3.0to+5.5✔MAX3221E/MAX3223E/MAX3243E±15kVESD-Protected,1µA,3.0Vto5.5V,250kbps,RS-232TransceiverswithAutoShutdown2_______________________________________________________________________________________ABSOLUTEMAXIMUMRATINGSELECTRICALCHARACTERISTICS(VCC=+3.0Vto+5.5V,C1–C4=0.1µF(Note2),TA=TMINtoTMAX,unlessotherwisenoted.TypicalvaluesareatTA=+25°C.)Stressesbeyondthoselistedunder“AbsoluteMaximumRatings”maycausepermanentdamagetothedevice.Thesearestressratingsonly,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedintheoperationalsectionsofthespecificationsisnotimplied.Exposuretoabsolutemaximumratingconditionsforextendedperiodsmayaffectdevicereliability.VCCtoGND..............................................................-0.3Vto+6VV+toGND(Note1)..................................................-0.3Vto+7VV-toGND(Note1)...................................................+0.3Vto-7VV++|V-|(Note1).................................................................+13VInputVoltagesT_IN,EN,FORCEON,FORCEOFFtoGND............-0.3Vto+6VR_INtoGND......................................................................±25VOutputVoltagesT_OUTtoGND................................................................±13.2VR_OUT,R2OUTB,INVALIDtoGND.........-0.3Vto(VCC+0.3V)Short-CircuitDurationT_OUTtoGND.........................................................ContinuousContinuousPowerDissipation(TA=+70°C)16-PinSSOP(derate7.14mW/°Cabove+70°C)...........571mW16-PinTSSOP(derate9.4mW/°Cabove+70°C)........754.7mW16-PinTQFN(derate20.8mW/°Cabove+70°C)......1666.7mW20-PinPlasticDIP(derate11.11mW/°Cabove+70°C)....889mW20-PinSSOP(derate8.00mW/°Cabov