概述 TheMAX3387E3VpoweredEIA/TIA-232andV.28/V.24isacommunicationsinterfacewithlowpowerrequirements,highdata-ratecapabilities,andenhancedelectrostaticdischarge(ESD)protection.TheMAX3387Ehasthreereceiversandthreetransmitters.AllRS-232inputsandoutputsareprotectedto±15kVusingtheIEC1000-4-2Air-GapDischargemethod,±8kVusingtheIEC1000-4-2ContactDischargemethod,and±15kVusingtheHumanBodyModel.
Aproprietarylow-dropouttransmitteroutputstageenablestrueRS-232performancefroma+3.0Vto+5.5Vsupplywithadualchargepump.Thechargepumprequiresonlyfoursmall0.1μFcapacitorsforoperationfroma+3.3Vsupply.TheMAX3387Eiscapableofrunningatdataratesupto250kbpswhilemaintainingRS-232compliantoutputlevels.
TheMAX3387EhasauniqueVLpinthatallowsinteroperationinmixed-logicvoltagesystems.BothinputandoutputlogiclevelsarepinprogrammablethroughtheVLpin.TheMAX3387Eisavailableinaspace-savingTSSOPpackage.
VLPinforCompatibilitywithMixed-VoltageSystems
±15kVESDProtectiononRxInputsandTxOutputs
Low300μASupplyCurrent
Guaranteed250kbpsDataRate
1μAAutoShutdownPlus™withReceiversActive
MeetsEIA/TIA-232SpecificationsDownto3.0V
电池供电应用
蜂窝数据电缆
手持式装置
PDA与PDA托架
外设
亚笔记本与掌上电脑
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