MAX232芯片资料手册

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1、19-4323;Rev9;4/00+5V-Powered,MultichannelRS-232MAX220–MAX249GeneralDescription____________________________FeaturesTheMAX220–MAX249familyoflinedrivers/receiversisSuperiortoBipolarintendedforallEIA/TIA-232EandV.28/V.24communica-OperatefromSingle+5VPowerSu

2、pplytionsinterfaces,particularlyapplicationswhere±12Vis(+5Vand+12V—MAX231/MAX239)notavailable.Low-PowerReceiveModeinShutdownThesepartsareespeciallyusefulinbattery-poweredsys-(MAX223/MAX242)tems,sincetheirlow-powershutdownmodereducesMeetAllEIA/TIA-232Ea

3、ndV.28Specificationspowerdissipationtolessthan5µW.TheMAX225,MAX233,MAX235,andMAX245/MAX246/MAX247useMultipleDriversandReceiversnoexternalcomponentsandarerecommendedforappli-3-StateDriverandReceiverOutputscationswhereprintedcircuitboardspaceiscritical.

4、Open-LineDetection(MAX243)________________________ApplicationsOrderingInformationPortableComputersPARTTEMP.RANGEPIN-PACKAGEMAX220CPE0°Cto+70°C16PlasticDIPLow-PowerModemsMAX220CSE0°Cto+70°C16NarrowSOInterfaceTranslationMAX220CWE0°Cto+70°C16WideSOBattery-P

5、oweredRS-232SystemsMAX220C/D0°Cto+70°CDice*MultidropRS-232NetworksMAX220EPE-40°Cto+85°C16PlasticDIPMAX220ESE-40°Cto+85°C16NarrowSOMAX220EWE-40°Cto+85°C16WideSOMAX220EJE-40°Cto+85°C16CERDIPMAX220MJE-55°Cto+125°C16CERDIPOrderingInformationcontinuedatendofd

6、atasheet.*Contactfactoryfordicespecifications.SelectionTablePowerNo.ofNominalSHDNRxPartSupplyRS-232No.ofCap.Value&Three-ActiveinDataRateNumber(V)Drivers/RxExt.Caps(µF)StateSHDN(kbps)FeaturesMAX220+52/244.7/10No—120Ultra-low-power,industry-standardpinoutM

7、AX222+52/240.1Yes—200Low-powershutdownMAX223(MAX213)+54/541.0(0.1)Yes✔120MAX241andreceiversactiveinshutdownMAX225+55/50—Yes✔120AvailableinSOMAX230(MAX200)+55/041.0(0.1)Yes—1205driverswithshutdownMAX231(MAX201)+5and2/221.0(0.1)No—120Standard+5/+12Vorbatte

8、rysupplies;+7.5to+13.2samefunctionsasMAX232MAX232(MAX202)+52/241.0(0.1)No—120(64)IndustrystandardMAX232A+52/240.1No—200Higherslewrate,smallcapsMAX233(MAX203)+52/20—No—120NoexternalcapsMAX233A+52/20—No—200Noexternalcaps,hig