GENERALDESCRIPTIONTheBL3085Aisa+/-15kVelectrostaticdischarge(ESD)protected,high-speedtransceiverforRS-485communicationthatcontainonedriverandonereceiver.Thedevicefeaturefail-safecircuitry,whichguaranteesalogic-highreceiveroutputwhenthereceiverinputsareopenorshorted.Thismeansthatthereceiveroutputwillbelogichighevenifalltran***ittersonaterminatedbusaredisabled.TheBL3085Afeaturereducedslew-ratedriverthatminimizeEMIandreducereflecti***causedbyimproperlyterminatedcables,allowingerror-freedatatran***issionupto250kbps.Alltran***itteroutputsandreceiverinputsareprotectedto+/-15kVusingtheHumanBodyAirGapModel.Thetransceivertypicallydraws500uAofsupplycurrentwhenunloaded,orwhenfullyloadedwiththedriverdisabled.Alldeviceowna1/8-unit-loadreceiverinputimpedancethatallowsupto256transceiversonthebus.TheBL3085Aisintendedforhalf-duplexcommunicati***.BL3085Amatchesindustry-standard8-pinSOorDIPpackages.APPLICATI***RS-485Communicati***LevelTranslatorsTransceiversforEMI-SensitiveApplicati***IndustrialControlLocalAreaNetworksEnergyMeterNetworksPowerInvertersBuildingAutomationNetworksTelecommunicati***Equipment)