max232电路图

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1、19-4323;Rev15;1/06+5V-Powered,MultichannelRS-232Drivers/ReceiversMAX220–MAX249GeneralDescriptionNext-GenerationTheMAX220–MAX249familyoflinedrivers/receiversisDeviceFeaturesintendedforallEIA/TIA-232EandV.28/V.24communica-♦ForLow-Voltage,IntegratedESDApplica

2、tionstionsinterfaces,particularlyapplicationswhere±12VisMAX3222E/MAX3232E/MAX3237E/MAX3241E/notavailable.MAX3246E:+3.0Vto+5.5V,Low-Power,UptoThesepartsareespeciallyusefulinbattery-poweredsys-1Mbps,TrueRS-232TransceiversUsingFourtems,sincetheirlow-powershut

3、downmodereduces0.1µFExternalCapacitors(MAX3246EAvailablepowerdissipationtolessthan5µW.TheMAX225,inaUCSP™Package)MAX233,MAX235,andMAX245/MAX246/MAX247use♦ForLow-CostApplicationsnoexternalcomponentsandarerecommendedforappli-MAX221E:±15kVESD-Protected,+5V,1µA

4、,cationswhereprintedcircuitboardspaceiscritical.SingleRS-232TransceiverwithAutoShutdown™________________________ApplicationsOrderingInformationPortableComputersPARTTEMPRANGEPIN-PACKAGELow-PowerModemsMAX220CPE0°Cto+70°C16PlasticDIPMAX220CSE0°Cto+70°C16Narro

5、wSOInterfaceTranslationMAX220CWE0°Cto+70°C16WideSOBattery-PoweredRS-232SystemsMAX220C/D0°Cto+70°CDice*MultidropRS-232NetworksMAX220EPE-40°Cto+85°C16PlasticDIPMAX220ESE-40°Cto+85°C16NarrowSOMAX220EWE-40°Cto+85°C16WideSOMAX220EJE-40°Cto+85°C16CERDIPMAX220MJE

6、-55°Cto+125°C16CERDIPAutoShutdownandUCSParetrademarksofMaximIntegratedOrderingInformationcontinuedatendofdatasheet.Products,Inc.*Contactfactoryfordicespecifications.SelectionTablePowerNo.ofNominalSHDNRxPartSupplyRS-232No.ofCap.Value&Three-ActiveinDataRateN

7、umber(V)Drivers/RxExt.Caps(µF)StateSHDN(kbps)FeaturesMAX220+52/240.047/0.33No—120Ultra-low-power,industry-standardpinoutMAX222+52/240.1Yes—200Low-powershutdownMAX223(MAX213)+54/541.0(0.1)Yes✔120MAX241andreceiversactiveinshutdownMAX225+55/50—Yes✔120Availabl

8、einSOMAX230(MAX200)+55/041.0(0.1)Yes—1205driverswithshutdownMAX231(MAX201)+5and2/221.0(0.1)No—120Standard+5/+12Vorbatterysupplies;+7.5to+13.2samefunctionsasMAX232MAX232(MAX202)+52/241.0(0.1)No—120(64)Industry