rs485 rs422接口芯片

Forfreesamples&thelatestliterature:(ESD)protectionforuseinharshenvironments.Allreceiverinputsareprotectedto±15kVusingIEC1000-4-2Air-GapDischarge,±8kVusingIEC1000-4-2ContactDischarge,and±15kVusingtheHumanBodyModel.TheMAX3095operatesfroma+5Vsupply,whiletheMAX3096operatesfroma+3.3Vsupply.Receiverprop-agationdelaysareguaranteedtowithin±8nsofapre-determinedvalue,therebyensuringdevice-to-devicematchingacrossproductionlots.Complementaryenableinputscanbeusedtoplacethedevicesina1nAlow-powershutdownmodeinwhichthereceiveroutputsarehighimpedance.Whenactive,thesereceivershaveafail-safefeaturethatguaranteesalogic-highoutputiftheinputisopencircuit.Theyalsofeatureaquarter-unit-loadinputimpedancethatallows128receiversonabus.TheMAX3095/MAX3096arepin-compatible,low-powerupgradestotheindustry-standard’26LS32.Theyareavailableinaspace-savingQSOPpackage.________________________ApplicationsTelecommunicationsEquipmentRuggedRS-422/RS-485/RS-423BusReceiverReceiversforESD-SensitiveApplicationsLevelTranslators____________________________Features'ESDProtection:±15kV—IEC1000-4-2,Air-GapDischarge±8kV—IEC1000-4-2,ContactDischarge±15kV—HumanBodyModel'GuaranteedPropagation-DelayToleranceBetweenAllICs:±8ns(MAX3095)±10ns(MAX3096)'Single+3VOperation(MAX3096)Single+5VOperation(MAX3095)'16-PinQSOP(8-pinSOfootprint)'10MbpsDataRate'Allowupto128ReceiversontheBus'1nALow-PowerShutdownMode'2.4mAOperatingSupplyCurrent'Pin-CompatibleUpgradesto’26LS32MAX3095/MAX3096±15kVESD-Protected,10Mbps,3V/5V,QuadRS-422/RS-485Receivers________________________________________________________________MaximIntegratedProducts116151413121110912345678B1VCCB4A4Y4GY3A3B3TOPVIEWMAX3095MAX3096DIP/SO/QSOPA1Y1A2GY2B2GNDPinConfigurationY1Y2Y3Y4A1B1A2B2A3B3A4B4MAX3095MAX3096VCCGNDGG________________FunctionalDiagram19-0498;Rev0;3/98PARTMAX3095CPEMAX3095CSEMAX3095CEE0°Cto+70°C0°Cto+70°C0°Cto+70°CTEMP.RANGEPIN-PACKAGE16PlasticDIP16NarrowSO16QSOP_______________OrderingInformationMAX3095EPEMAX3095ESEMAX3095EEE-40°Cto+85°C-40°Cto+85°C-40°Cto+85°C16PlasticDIP16NarrowSO16QSOPMAX3096CPEMAX3096CSEMAX3096CEE0°Cto+70°C0°Cto+70°C0°Cto+70°C16PlasticDIP16NarrowSO16QSOPMAX3096EPEMAX3096ESEMAX3096EEE-40°Cto+85°C-40°Cto+85°C-40°Cto+85°C16PlasticDIP16NarrowSO16QSOPMAX3095/MAX3096±15kVESD-Protected,10Mbps,3V/5V,QuadRS-422/RS-485Receivers2_______________________________________________________________________________________ABSOLUTEMAXIMUMRATINGSDCELECTRICALCHARACTERISTICS—MAX3095(VCC=5V±5%,TA=TMINtoTMAX,unlessotherwisenoted.TypicalvaluesareatTA=+25°C.)(Note1)Stressesbeyondthoselistedunder“AbsoluteMaximumRatings”maycausepermanentdamagetothedevice.Thesearestressratingsonly,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedintheoperationalsectionsofthespecificationsisnotimplied.Exposuretoabsolutemaximumratingconditionsforextendedperiodsmayaffectdevicereliability.SupplyVoltage(VCC)...............................................................7VControlInputVoltage(G,G).......................-0.3Vto(VCC+0.3V)ReceiverInputVoltage(A_,B_)...........................................±25VReceiverOutputVoltage(Y_).....................-0.3Vto(VCC+0.3V)ContinuousPowerDissipation(TA=+70°C)PlasticDIP(derate10.5mW/°Cabove+70°C)............762mWSO(derate8.7mW/°Cabove+70°C)...........................696mWQSOP(derate8.3mW/°Cabove+70°C)......................667mWOperatingTemperatureRangesMAX309_C__.....................................................0°Cto+70°CMAX309_E__...................................................-40°Cto+85°CStorageTemperatureRange.............................-65°Cto+160°CLeadTemperature(soldering,10sec).............................+300°CVCM=0IEC1000-4-2(ContactDischarge)-7V≤VCM≤12VIEC1000-4-2(Air-GapDischarge)HumanBodyModel-7V≤VCM≤12V0≤VOUT≤VCC,G=VCCorG=GND0≤VOUT≤VCC,G=GNDandG=VCCIOUT=4mA,VID=-200mV,G=VCCorG=GND,Figure1G=GNDandG=VCCIOUT=-4mA,VID=200mV,G=VCCorG=GND,Figure1Noload,G=VCCorG=GNDCONDITIONS±8±15kV±15ESDProtection(Note2)µA0.00110mA2.43.5ICCSupplyCurrentmV45mV-200200VTHReceiverDifferentialInputThresholdReceiverInputHysteresiskΩ48RINReceiverInputResistancemA±7±75IOSROutputShort-CircuitCurrentµA±1IOZRThree-StateCurrentatReceiverOutputV0.4VOLReceiverOutputLowVoltageµA±1EnableInputCurrent(G,G)V2.0VIHEnableInputHighVoltage(G,G)V0.8VILEnableInputLowVoltage(G,G)VVCC-1.5VOHReceiverOutputHighVoltageUNITSMINTYPMAXSYMBOLPARAMETERµA250IINReceiverInputCurrent(A_,B_)VCC=0or5.25VVIN=12V-200VIN=-7VMAX3095/MAX3096±15kVESD-Protected,10Mbps,3V/5V,QuadRS-422/RS-485Receivers_______________________________________________________________________________________3DCELECTRICALCHARACTERISTICS—MAX3096(VCC=3.0Vto3.6V,TA=TMINtoTMAX,unlessotherwisenoted.TypicalvaluesareatVCC=3.3V,TA=+25°C.)(Note1)SWITCHINGCHARACTERISTICS—MAX3095(VCC=5V±5%,TA=TMINtoTMAX,unlessotherwisenoted.Typicalvalu