www.ti.com
特点
应用程序
描述
1
2
3
4
8
7
6
5
右
re
de
d
v
抄送
B
一个
地
d 或 p p组件
(top 查看)
逻辑图表 (正 逻辑)
d
一个
de
re
右
B
主机
SN65HVD08
电源 总线 和 返回 电阻
隔离
护栏
远程
(一个 的 n 显示)
5 v 电源
直接
连接
至 主机
5 v 返回
sn75hvd08,sn65hvd08
SLLS550A–NOVEMBER2002–REVISEDMAY2003
widesupplyrangers-485transceiver
Thewidesupplyvoltagerangeandlowquiescent
currentrequirementsallowtheSN65HVD08sto
•
operateswitha3-vto5.5-vsupply
operatefroma5-vpowerbusinthecablewithas
•
ConsumesLessThan90mWQuiescent
muchasa2-vlinevoltagedrop.busingpowerinthe
电源
cablecanalleviatetheneedforisolatedpowertobe
generatedateachconnectionofaground-隔离
•
开路,shortcircuit,andidle-总线
总线.
FailsafeReceiver
•
1/8
th
单位-荷载(upto256nodesonthebus)
Thedriverdifferentialoutputsandreceiverdifferential
inputsconnectinternallytoformadifferentialin-
•
总线-pinesdprotectionexceeds16kvhbm
put/输出(我/o)busportthatisdesignedtooffer
•
driveroutputvoltageslew-ratelimitedfor
minimumloadingtothebuswheneverthedriveris
OptimumSignalQualityat10Mbps
disabledornotpowered.thedriversandreceivers
•
electricallycompatiblewithansitia/eia-485
haveactive-highandactive-lowenablesrespectively,
whichcanbeexternallyconnectedtogethertofunc-
标准
tionasadirectioncontrol.
•
DataTransmissionWithRemoteStations
PoweredFromtheHost
•
IsolatedMultipointDataBuses
•
IndustrialProcessControlNetworks
•
点-的-salenetworks
•
ElectricUtilityMetering
thesn65hvd08combinesa3-statedifferentialline
driveranddifferentiallinereceiverdesignedforbal-
anceddatatransmissionandinteroperationwithANSI
tia/eia-485-aandiso-8482estandard-符合
设备.
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
productiondatainformationiscurrentasofpublicationdate.
copyright©2002–2003,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.