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参数资料
| 型号： | AFBR-5903EZ |
| 元件分类： | 光收发 |
| 英文描述： | FIBER OPTIC TRANSCEIVER, 1270-1380nm, 125Mbps(Tx), 125Mbps(Rx), BOARD/PANEL MOUNT, MT-RJ CONNECTOR |
| 封装： | ROHS COMPLIANT, DIP-10 |
| 文件页数： | 7/16页 |
| 文件大小： | 405K |
| 代理商： | AFBR-5903EZ |
Notes:
1. ThisisthemaximumvoltagethatcanbeappliedacrosstheDifferen-
tialTransmitterDataInputstopreventdamagetotheinputESD
protectioncircuit.
2. Theoutputsareterminatedwith50connectedtoVCC-2V.
3. The power supply current needed to operate the transmitter is
providedtodifferentialECLcircuitry.Thiscircuitrymaintainsanearly
constant current flow from the power supply. Constant current
operationhelpstopreventunwantedelectricalnoisefrombeing
generatedandconductedoremittedtoneighboringcircuitry.
4. Thisvalueismeasuredwiththeoutputsterminatedinto50con-
nectedtoVCC-2VandanInputOpticalPowerlevelof-14dBm
average.
5a. Thepowerdissipationofthetransmitteriscalculatedasthesumof
theproductsofsupplyvoltageandcurrent.
5b. Thepowerdissipationofthereceiveriscalculatedasthesumof
theproductsofsupplyvoltageandcurrents,minusthesumofthe
productsoftheoutputvoltagesandcurrents.
6. ThisvalueismeasuredwithrespecttoVCCwiththeoutputterminated
into50connectedtoVCC-2V.
7. Theoutputriseandfalltimesaremeasuredbetween20%and80%
levelswiththeoutputconnectedtoVCC-2Vthrough50.
8. DutyCycleDistortioncontributedbythereceiverismeasuredat
the50%thresholdusinganIDLELineState,125MBd(62.5MHz
square-wave),inputsignal.Theinputopticalpowerlevelis-20dBm
average.SeeApplicationInformation-TransceiverJitterSectionfor
furtherinformation.
9. DataDependentJittercontributedby thereceiverisspecifiedwith
theFDDIDDJtestpatterndescribedintheFDDIPMDAnnexA.5.
Theinputopticalpowerlevelis-20dBmaverage.SeeApplication
Information-TransceiverJitterSectionforfurtherinformation.
10. RandomJittercontributedbythereceiverisspecifiedwithanIDLE
LineState,125MBd(62.5MHzsquare-wave),inputsignal.Theinput
opticalpowerlevelisatmaximum“PINMin.(W)”.SeeApplication
Information-TransceiverJitterSectionforfurtherinformation.
11. Theseopticalpowervaluesaremeasuredwiththefollowingcondi-
tions:
TheBeginningofLife(BOL)totheEndofLife(EOL)opticalpower
degradationistypically1.5dBpertheindustryconventionfor
longwavelengthLEDs.TheactualdegradationobservedinAvago
Technologies’1300nmLEDproductsis<1dB,asspecifiedinthis
datasheet.
Overthespecifiedoperatingvoltageandtemperatureranges.
WithHALTLineState,(12.5MHzsquare-wave),inputsignal.
At the end of one meter of noted optical fiber with cladding
modesremoved.
Theaveragepowervaluecanbeconvertedtoapeakpowervalueby
adding3dB.Higheroutputopticalpowertransmittersareavailable
onspecialrequest.PleaseconsultwithyourlocalAvagoTechnologies
salesrepresentativeforfurtherdetails.
12. TheExtinctionRatioisameasureofthemodulationdepthofthe
opticalsignal.Thedata“0”outputopticalpoweriscomparedtothe
data“1”peakoutputopticalpowerandexpressedasapercentage.
WiththetransmitterdrivenbyaHALTLineState(12.5MHzsquare-
wave)signal,theaverageopticalpowerismeasured.Thedata“1”
peak power is then calculated by adding 3 dB to the measured
averageopticalpower.Thedata“0”outputopticalpowerisfound
bymeasuringtheopticalpowerwhenthetransmitterisdrivenbya
logic“0”input.Theextinctionratioistheratiooftheopticalpowerat
the“0”levelcomparedtotheopticalpoweratthe“1”levelexpressed
asapercentageorindecibels.
13. ThetransmitterprovidescompliancewiththeneedforTransmit_Dis-
ablecommandsfromtheFDDISMTlayerbyprovidinganOutput
OpticalPowerlevelof<-45dBmaverageinresponsetoalogic“0”
input.Thisspecificationappliestoeither62.5/125mor50/125m
fibercables.
14. ThisparametercomplieswiththeFDDIPMDrequirementsforthe
trade-offsbetweencenterwavelength,spectralwidth,andrise/fall
timesshowninFigure11.
15. Thisparametercomplieswiththeopticalpulseenvelopefromthe
FDDIPMDshowninFigure12.Theopticalriseandfalltimesare
measuredfrom10%to90%whenthetransmitterisdrivenbythe
FDDIHALTLineState(12.5MHzsquare-wave)inputsignal.
16. Duty Cycle Distortion contributed by the transmitter is
measured at a 50% threshold using an IDLE Line State,
125 MBd (62.5 MHz square-wave), input signal. See Application
Information -Transceiver Jitter Performance Section of this data
sheetforfurtherdetails.
17. DataDependentJittercontributedbythetransmitterisspecified
withtheFDDItestpatterndescribedinFDDIPMDAnnexA.5.See
ApplicationInformation-TransceiverJitterPerformanceSectionof
thisdatasheetforfurtherdetails.
18. RandomJittercontributedbythetransmitterisspecifiedwithan
IDLELineState,125MBd(62.5MHzsquare-wave),inputsignal.See
ApplicationInformation-TransceiverJitterPerformanceSectionof
thisdatasheetforfurtherdetails.
19. Thisspecificationisintendedtoindicatetheperformanceofthe
receiversectionofthetransceiverwhenInputOpticalPowersignal
characteristicsarepresentperthefollowingdefinitions.TheInput
OpticalPowerdynamicrangefromtheminimumlevel(withawin-
dowtime-width)tothemaximumlevelistherangeoverwhichthe
receiverisguaranteedtoprovideoutputdatawithaBitErrorRate
(BER)betterthanorequalto2.5x10-10.
AttheBeginningofLife(BOL)
Overthespecifiedoperatingtemperatureandvoltageranges
InputsymbolpatternistheFDDItestpatterndefinedinFDDIPMD
AnnexA.5with4B/5BNRZIencodeddatathatcontainsaduty
cyclebase-linewandereffectof50kHz.Thissequencecausesa
nearworstcaseconditionforinter-symbolinterference.
Receiverdatawindowtime-widthis2.13nsorgreaterandcentered
atmid-symbol.Thisworstcasewindowtime-widthisthemini-
mumallowedeye-openingpresentedtotheFDDIPHYPM_Data
indicationinput(PHYinput)pertheexampleinFDDIPMDAnnex
E.Thisminimumwindowtime-widthof2.13nsisbasedupon
theworstcaseFDDIPMDActiveInputInterfaceopticalcondi-
tionsforpeak-to-peakDCD(1.0ns),DDJ(1.2ns)andRJ(0.76ns)
presentedtothereceiver.
TotestareceiverwiththeworstcaseFDDIPMDActiveInputjitter
conditionrequiresexactingcontroloverDCD,DDJandRJjittercompo-
nentsthatisdifficulttoimplementwithproductiontestequipment.
ThereceivercanbeequivalentlytestedtotheworstcaseFDDIPMD
inputjitterconditionsandmeettheminimumoutputdatawindow
time-widthof2.13ns.Thisisaccomplishedbyusinganearlyideal
inputopticalsignal(noDCD,insignificantDDJandRJ)andmeasuring
forawiderwindowtime-widthof4.6ns.Thisispossibleduetothe
cumulativeeffectofjittercomponentsthroughtheirsuperposition
(DCDandDDJaredirectlyadditiveandRJcomponentsarermsad-
ditive).Specifically,whenanearlyidealinputopticaltestsignalis
usedandthemaximumreceiverpeak-to-peakjittercontributions
ofDCD(0.4ns),DDJ(1.0ns),andRJ(2.14ns)exist,theminimum
windowtime-widthbecomes8.0ns-0.4ns-1.0ns-2.14ns=4.46
ns,orconservatively4.6ns.Thiswiderwindowtime-widthof4.6ns
guaranteestheFDDIPMDAnnexEminimumwindowtime-width
of2.13nsunderworstcaseinputjitterconditionstotheAvago
Technologiesreceiver.
TransmitteroperatingwithanIDLELineStatepattern,125MBd
(62.5MHzsquare-wave),inputsignaltosimulateanycross-talk
present between the transmitter and receiver sections of the
transceiver.
20. All conditions of Note 19 apply except that the measurement is
madeatthecenterofthesymbolwithnowindowtime-width.
相关PDF资料 |
PDF描述 |
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| AFBR-5903Z | FIBER OPTIC TRANSCEIVER, 1270-1380nm, 125Mbps(Tx), 125Mbps(Rx), BOARD/PANEL MOUNT, MT-RJ CONNECTOR |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AFBR-5903Z | 功能描述:光纤发射器、接收器、收发器 Transceiver RoHS:否 制造商:Omron Electronics 产品:Transmitters 数据速率:3.5 Gbps 波长:850 nm 最大工作温度: 最小工作温度: 封装 / 箱体: 封装: |
| AFBR-5905AZ | 功能描述:光纤发射器、接收器、收发器 Transceiver RoHS:否 制造商:Omron Electronics 产品:Transmitters 数据速率:3.5 Gbps 波长:850 nm 最大工作温度: 最小工作温度: 封装 / 箱体: 封装: |
| AFBR-5905EZ | 功能描述:光纤发射器、接收器、收发器 Transceiver RoHS:否 制造商:Omron Electronics 产品:Transmitters 数据速率:3.5 Gbps 波长:850 nm 最大工作温度: 最小工作温度: 封装 / 箱体: 封装: |
| AFBR-5905Z | 功能描述:光纤发射器、接收器、收发器 Transceiver RoHS:否 制造商:Omron Electronics 产品:Transmitters 数据速率:3.5 Gbps 波长:850 nm 最大工作温度: 最小工作温度: 封装 / 箱体: 封装: |
| AFBR-5921ALZ | 功能描述:光纤发射器、接收器、收发器 Transceiver RoHS:否 制造商:Omron Electronics 产品:Transmitters 数据速率:3.5 Gbps 波长:850 nm 最大工作温度: 最小工作温度: 封装 / 箱体: 封装: |
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