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| HFBR-1115TZ transmitter hfbr-2115tz receiver fiber optic transmitter and receiver data links for 125 mbd data sheet features ? fullfcompliancefwithfthefopticalfperformancefrequire - mentsfofftheffddifpmdfstandard ? fullfcompliancefwithfthefopticalfperformancefrequire - mentsfoffthefatmf100fmbpsfphysicalflayer ? fullfcompliancefwithfthefopticalfperformancefrequire - mentsfoffthef100fmbpsffastfethernetfphysicalflayer ? otherfversionsfavailableffor: Cfatm Cffibrefchannel ? compactf16-pinfdipfpackagefwithfplasticfst*fconnector ? wavefsolderfandfaqueousfwashfprocessfcompatiblef package ? manufacturedfinfanfisof9001fcertifedffacility applications ? fddifconcentrators,fbridges,frouters,fandfnetworkf interfacefcards ? 100fmbpsfatmfinterfaces ? fastfethernetfinterfaces ? generalfpurpose,fpoint-to-pointfdatafcommunications ? replacesfdlt/r1040-st1fmodelftransmittersfandf receivers description thefHFBR-1115TZ/-2115tzfseriesfoffdataflinksfarefhigh- performance,fcost-efcient,ftransmitterfandfreceiverf modulesfforfserialfopticalfdatafcommunicationfapplica - tionsfspecifedfatf100fmbpsfforffddifpmdforf100fbase-fxf fastfethernetfapplications. thesefmodulesfarefdesignedfforf50forf62.5f mfcorefmulti- modefopticalffberfandfoperatefatfafnominalfwavelengthf off1300fnm.ftheyfincorporatefourfhighfperformance,f reliable,flong-wavelength,fopticalfdevicesfandfprovenf circuitftechnologyftofgiveflongflifefandfconsistentfperfor - mance. transmitter theftransmitterfutilizesfaf1300fnmfsurface-emittingf ingaaspfled,fpackagedfinfanfopticalfsubassembly.fthefledf isfdc-coupledftofafcustomficfwhichfconvertsfdiferential- f input,fpeclflogicfsignals,fecl-referencedf(shifted)ftofaf+5fvf powerfsupply,fintofanfanalogfledfdrivefcurrent. receiver thefreceiverfutilizesfanfingaasfpinfphotodiodefcoupledf tofafcustomfsiliconftransimpedancefpreampliferfic.fthef pin-preampliferfcombinationfisfac-coupledftofafcustomf quantizerficfwhichfprovidesftheffnalfpulsefshapingfforf theflogicfoutputfandfthefsignalfdetectffunction.fbothfthef datafandfsignalfdetectfoutputsfarefdiferential.falso,fbothf datafandfsignalfdetectfoutputsfarefpeclfcompatible,fecl- referencedf(shifted)ftofaf+5fvfpowerfsupply. package thefoverallfpackagefconceptfforfthefdataflinksfconsistsfoff theffollowingfbasicfelements:ftwofopticalfsubassemblies,f twofelectricalfsubassemblies,fandfthefouterfhousingsfasf f illustratedfinffiguref1. *fstfisfafregisteredftrademarkfoffat&tflightguidefcablefconnectors.
2 thefpackagefoutlinefdrawingfandfpinoutfarefshownf inffiguresf2fandf3.fthefdetailsfoffthisfpackagefoutlinef andfpinoutfarefcompatiblefwithfotherfdata-linkf modulesffromfotherfvendors. data in signal detect out data in receiver quantizer ic driver ic top view pin photodiode optical subassemblies preamp ic differential differential differential v bb transmitter led electrical subassemblies simplex st ? receptacle 41 max. 8.31 12.19 max. threads 3/8 ? 32 unef-2a hfbr-111x/211xt date code (yyww) singapore 5.05 19.72 2.45 7.01 5.0 9.8 max. 3 0.9 pcb pins dia. 0.46 mm note 2 8 x 7.62 17.78 (7 x 2.54) 12 housing pins 0.38 x 0.5 mm note 1 notes: 1. material alloy 194 1/2h ? 0.38 thk finish matte tin plate 7.6 m min. 2. material phosphor bronze with 120 microinches tin lead (90/10) over 50 microinches nickel. 3. units = mm figure 1. transmitter and receiver block diagram. figure 2. package outline drawing. 3 thefopticalfsubassembliesfconsistfoffaftransmitterfsubas - semblyfinfwhichfthefledfresidesfandfafreceiverfsubassem - blyfhousingfthefpin-preampliferfcombination. thefelectricalfsubassembliesfconsistfoffafmulti-layerf printedfcircuitfboardfonfwhichftheficfchipsfandfvariousf sufrace-mounted,fpassivefcircuitfelementsfarefattached. eachftransmitterfandfreceiverfpackagefincludesfanfinternalf shieldfforfthefelectricalfsubassemblyftofensureflowfemif emissionsfandfhighfimmunityftofexternalfemiffelds. thefouterfhousing,fincludingfthefst*fport,fisfmoldedf offflled,fnonconductivefplasticftofprovidefmechanicalf strengthfandfelectricalfisolation.fforfotherfportfstyles,f pleasefcontactfyourfavagoftechnologiesfsalesfrepresen - tative. eachfdata-linkfmodulefisfattachedftofafprintedfcircuitf boardfviafthef16-pinfdipfinterface.fpinsf8fandf9fprovidef mechanicalfstrengthfforfthesefplastic-portfdevicesfandf willfprovidefport-groundfforfforthcomingfmetal-portf modules. application information thefapplicationsfengineeringfgroupfofftheffiberfopticsf productfdivisionfisfavailableftofassistfyoufwithftheftechnicalf understandingfandfdesignftradeofsfassociatedfwithfthesef transmitterfandfreceiverfmodules.fyoufcanfcontactfthemf throughfyourfavagoftechnologiesfsalesfrepresentative. theffollowingfinformationfisfprovidedftofanswerfsomefoff thefmostfcommonfquestionsfaboutfthefusefoffthesefparts. transmitter and receiver optical power budget versus link length thefopticalfpowerfbudgetf(opb)fisfthefavailablefopticalf powerfforfaffber-opticflinkftofaccommodateffberfcablef lossesfplusflossesfdueftofin-linefconnectors,fsplices,f opticalfswitches,fandftofprovidefmarginfforflinkfagingfandf unplannedflossesfdueftofcablefplantfreconfgurationforf repair. figuref4fillustratesfthefpredictedfopbfassociatedfwithf theftransmitterfandfreceiverfspecifedfinfthisfdatafsheetf atfthefbeginningfofflifef(bol).fthisfcurvefrepresentsfthef f attenuationfandfchromaticfplusfmodalfdispersionflossesf associatedfwithf62.5/125f mfandf50/125f mffberfcablesf only.fthefareafunderfthefcurvefrepresentsfthefremainingf opbfatfanyflinkflength,fwhichfisfavailablefforfovercomingf non-fberfcablefrelatedflosses. avagofledftechnologyfhasfproducedf1300fnmfledfdevicesf withflowerfagingfcharacteristicsfthanfnormallyfassociatedf withftheseftechnologiesfinfthefindustry.fthefindustryfcon - ventionfisf1.5fdbfagingfforf1300fnmfleds;fhowever,favagof 1300fnmfledsfwillfexperienceflessfthanf1fdbfoffagingf overfnormalfcommercialfequipmentfmission-lifefperiods.f contactfyourfavagoftechnologiesfsalesfrepresentativefforf additionalfdetails. figuref4fwasfgeneratedfwithfanfavagoffber-opticflinkf modelfcontainingfthefcurrentfindustryfconventionsf forffberfcablefspecifcationsfandftheffddifpmdfopticalf f parameters. figure 3. pinout drawing. figure 4. optical power budget at bol vs. fber optic cable length. nc 8 9nc gnd 7 10no pin v cc 6 11gnd v cc 5 12gnd gnd 4 13gnd data 3 14gnd data 2 15v bb nc 1 16nc optical port transmitter nc 8 9nc no pin 7 10gnd gnd 6 11v cc gnd 5 12v cc gnd 4 13v cc sd 3 14data sd 2 15data no pin 1 16nc optical port receiver opb ? optical power budget ? db 0 4.0 14 0 fiber optic cable length ? km 0.5 12 10 6 4 3.5 2 8 62.5/125 m 50/125 m 1.0 1.5 2.0 2.5 3.0 4 thesefparametersfarefrefectedfinfthefguaranteedfper - formancefofftheftransmitterfandfreceiverfspecifcationsf infthisfdatafsheet.fthisfsamefmodelfhasfbeenfusedfexten - sivelyfinfthefansifandfieeefcommittees,fincludingfthefansif x3t9.5fcommittee,ftofestablishfthefopticalfperformancef requirementsfforfvariousffber-opticfinterfacefstandards.f thefcablefparametersfusedfcomeffromfthefiso/iecf f jtc1/fscf25/wg3fgenericfcablingfforfcustomerfpremisesf perfdisf11801fdocumentfandfthefeia/tia-568-afcommer - cialfbuildingftelecommunicationsfcablingfstandardfperf sp-2840. transmitter and receiver signaling rate range and ber performance forfpurposesfoffdefnition,fthefsymbolfratef(baud),falsof calledfsignalingfrate,fisfthefreciprocalfoffthefsymbolftime.f datafratef(bits/sec)fisfthefsymbolfratefdividedfbyfthef encodingffactorfusedftofencodefthefdataf(symbols/bit). whenfusedfinffddi,fatmf100fmbps,fandffastfethernetf f applications,fthefperformancefoffavagoftechnologiesf 1300fnmfHFBR-1115TZ/-2115tzfdataflinkfmodulesfisfguar - anteedfoverfthefsignalingfratefoff10fmbdftof125fmbdftof theffullfconditionsflistedfinfthefindividualfproductfspeci - fcationftables. thefdataflinkfmodulesfcanfbefusedfforfotherfapplica - tionsfatfsignalingfratesfoutsidefoffthef10fmbdftof125fmbdf rangefwithfsomefpenaltyfinftheflinkfopticalfpowerfbudgetf primarilyfcausedfbyfafreductionfoffreceiverfsensitivity.f figuref5fgivesfanfindicationfofftheftypicalfperformancefoff thesef1300fnmfproductsfatfdiferentfrates. thesefdataflinkfmodulesfcanfalsofbefusedfforfapplicationsf whichfrequirefdiferentfbit-error-ratiof(ber)fperformance.f figuref6fillustratesftheftypicalftrade-offbetweenflinkfberf andfthefreceiverfinputfopticalfpowerflevel. data link jitter performance thefavagof1300fnmfdataflinkfmodulesfarefdesignedftof operatefperfthefsystemfjitterfallocationsfstatedfinftablefe1f offannexfefofftheffddifpmdfstandard. thef1300fnmftransmitterfwillftoleratefthefworst-casefinputf electricalfjitterfallowedfinftheftablefwithoutfviolatingfthef worst-casefoutputfjitterfrequirementsfoffsectionf8.1factivef outputfinterfacefofftheffddifpmdfstandard. thef1300fnmfreceiverfwillftoleratefthefworst-casefinputf opticalfjitterfallowedfinfsectionf8.2factivefinputfinterfacef offtheffddifpmdfstandardfwithoutfviolatingfthefworst- casefoutputfelectricalfjitterfallowedfinftheftablefe1foffthef annexfe. thefjitterfspecifcationsfstatedfinftheffollowingftransmitterf f andfreceiverfspecifcationftablefarefderivedffromfthef valuesfinftablefe1foffannexfe.ftheyfrepresentfthefworst- casefjitterfcontributionfthatftheftransmitterfandfreceiverf arefallowedftofmakeftofthefoverallfsystemfjitterfwithoutf violatingfthefannexfefallocationfexample.finfpractice,fthef typicalfjitterfcontributionfoffthefavagoftechnologiesfdataf linkfmodulesfisfwellfbelowfthefmaximumfamounts. recommended handling precautions itfisfadvisedfthatfnormalfstaticfprecautionsfbeftakenfinf thefhandlingfandfassemblyfoffthesefdataflinkfmodulesftof preventfdamagefwhichfmayfbefinducedfbyfelectrostaticf dischargef(esd).fthefHFBR-1115TZ/-2115tzfseriesfmeetsf mil-std-883cfmethodf3015.4fclassf2. carefshouldfbeftakenftofavoidfshortingfthefreceiverfdataf orfsignalfdetectfoutputsfdirectlyftofgroundfwithoutf properfcurrentlimitingfimpedance. transmitter/receiver relative optical power budget at constant ber (db) 0 0 2 0 3.0 0 signal rate (mbd) 25 75 100 125 2.5 2.0 1.5 1.0 175 0.5 50 150 conditions: 1. prbs 2 7 -1 2. data sampled at center of data symbol. 3. ber = 10 -6 4. t a = 25 c 5. v cc = 5 vdc 6. input optical rise/fall times = 1.0/2.1 ns. bit error ratio 4 6 - 1 x 10 -2 relative input optical power ? db 2 4 - -2 0 1 x 10 -4 1 x 10 -6 1 x 10 -8 2.5 x 10 -10 1 x 10 -11 conditions: 1. 125 mbd 2. prbs 2 7 -1 3. t a = 25 c 4. v cc = 5 vdc 5. input optical rise/fall times = 1.0/2.1 ns. 1 x 10 -12 1 x 10 -7 1 x 10 -5 1 x 10 -3 center of symbol figure 5. transmitter/receiver relative optical power budget at constant ber vs. signaling rate. figure 6. bit-error-ratio vs. relative receiver input optical power. 5 solder and wash process compatibility theftransmitterfandfreceiverfarefdeliveredfwithfprotec - tivefprocessfcapsfcoveringfthefindividualfst*fports.fthesef processfcapsfprotectfthefopticalfsubassembliesfduringf wavefsolderfandfaqueousfwashfprocessingfandfactfasfdustf coversfduringfshipping. thesefdataflinkfmodulesfarefcompatiblefwithfeitherf industryfstandardfwave-forfhand-solderfprocesses. shipping container thefdataflinkfmodulesfarefpackagedfinfafshippingf containerfdesignedftofprotectfitffromfmechanicalfandfesdf damagefduringfshipmentforfstorage. board layoutCinterface circuit and layout guidelines itfisfimportantftoftakefcarefinftheflayoutfoffyourfcircuitf boardftofachievefoptimumfperformanceffromfthesefdataf linkfmodules.ffiguref7fprovidesfafgoodfexamplefoffaf powerfsupplyfflterfcircuitfthatfworksfwellfwithfthesefparts.f also,fsuggestedfsignalfterminationsfforfthefdata,fdata-bar,f signalfdetectfandfsignalfdetect-barflinesfarefshown.fusef offafmultilayer,fground-planefprintedfcircuitfboardfwillf providefgoodfhigh-frequencyfcircuitfperformancefwithf aflowfinductancefgroundfreturnfpath.fseefadditionalf f recommendationsfnotedfinfthefinterfacefschematicf shownfinffiguref7. nc 8 9 nc gnd 7 10 v cc 6 11 gnd v cc 5 12 gnd v cc 4 13 gnd d 3 14 sd d 2 15 sd nc 1 16 rx a * l1 1 r12 130 data data terminate d, d, sd, sd at inputs of follow-on devices * no pin no pin c1 0.1 c7 10 (optional) c3 0.1 c4 10 r6 130 r8 130 r5 82 r7 82 r9 82 c6 0.1 sd r11 82 sd r10 130 top views nc 8 9 nc 7 10 gnd gnd 6 11 v cc gnd 5 12 v cc gnd 4 13 gnd gnd 3 14 d v bb 2 15 d nc 1 16 nc no pin tx a c2 0.1 * l2 1 r3 82 r4 130 r2 82 r1 130 c5 0.1 +5 vdc gnd data data terminate d, d at tx inputs * figure 7. recommended interface circuitry and power supply flter circuits. notes: 1.ff resistancefisfinfohms.fcapacitancefisfinfmicrofarads.finductancefisfinfmicrohenries. 2.f f terminateftransmitterfinputfdatafandfdata-barfatftheftransmitterfinputfpins.fterminatefthefreceiverfoutputfdata,fdata-bar,fandfsignalfdetect-barfatf theffollow-onfdevicefinputfpins.fforflowerfpowerfdissipationfinfthefsignalfdetectfterminationfcircuitryfwithfsmallfcompromiseftofthefsignalfquality,f eachfsignalfdetectfoutputfcanfbefloadedfwithf510fohmsftofgroundfinsteadfofftheftwofresistor,fsplit-loadfpeclfterminationfshownfinfthisfschematic. 3.ff makefdiferentialfsignalfpathsfshortfandfoffsameflengthfwithfequalfterminationfimpedance. 4.f f signalftracesfshouldfbef50fohmsfmicrostripforfstriplineftransmissionflines.fusefmultilayer,fground-planefprintedfcircuitfboardfforfbestfhighfrequencyf performance. 5.f f usefhigh-frequency,fmonolithicfceramicfbypassfcapacitorsfandflowfseriesf dc fresistancefinductors.frecommendfusefoffsurface-mountfcoilf inductorsfandfcapacitors.finflowfnoisefpowerfsupplyfsystems,fferritefbeadfinductorsfcanfbefsubstitutedfforfcoilfinductors.flocatefpowerfsupplyf flterfcomponentsfcloseftoftheirfrespectivefpowerfsupplyfpins.fc7fisfanfoptionalfbypassfcapacitorfforfimproved,flow-frequencyfnoisefpowerfsupplyf flterfperformance. 6.ff devicefgroundfpinsfshouldfbefdirectlyfandfindividuallyfconnectedftofground. 7.f f caution:fdofnotfdirectlyfconnectftheffber-opticfmodulef pecl foutputsf(data,fdata-bar,fsignalfdetect,fsignalfdetect-bar,f vbb )ftofgroundfwithoutf properfcurrentflimitingfimpedance. 8.f f (*)foptionalfmetalf st fopticalfportftransmitterfandfreceiverfmodulesfwillfhavefpinsf8fandf9felectricallyfconnectedftofthefmetalfportfonlyfandfnotf connectedftofthefinternalfsignalfground. 6 board layout C hole pattern thefavagoftransmitterfandfreceiverfholefpatternfisfcom - patiblefwithfotherfdataflinkfmodulesffromfotherfvendors.f thefdrawingfshownfinffiguref8fcanfbefusedfasfafguidefinf thefmechanicalflayoutfoffyourfcircuitfboard. regulatory compliance thesefdataflinkfmodulesfarefintendedftofenablefcom- f mercialfsystemfdesignersftofdevelopfequipmentfthatf compliesfwithfthefvariousfinternationalfregulationsf governingfcertifcationfoffinformationftechnologyfequip- ment.fadditionalfinformationfisfavailableffromfyourfavagof salesfrepresentative. allfHFBR-1115TZfledftransmittersfarefclassifedfasf iec-825-1faccessiblefemissionflimitf(ael)fclassf1fbasedf uponfthefcurrentfproposedfdraftfscheduledftofgofintof efectfonfjanuaryf1,f1997.faelfclassf1fledfdevicesfarefcon - sideredfeyefsafe.fseefapplicationfnotef1094,f led device classifcations with respect to ael values as defned in the iec 825-1 standard and the european en60825-1 directive. thefmaterialfusedfforfthefhousingfinfthefHFBR-1115TZ/- 2115tzfseriesfisfultemf2100f(ge).fultemf2100fisfrecog - nizedfforfafulffammabilityfratingfoff94v-0f(ulffilefnumberf e121562)fandfthefcsaf(canadianfstandardsfassociation)f equivalentf(filef numberfls88480). figure 8. recommended board layout hole pattern. (7x) 2.54 .100 17.78 .700 7.62 .300 0.8 0.1 .032 .004 (16x) ? ? 0.000 m a ?a? top view units = mm/inch 7 figure 9. HFBR-1115TZ transmitter output optical spectral width (fwhm) vs. transmitter output optical center wavelength and rise/fall times. figure 10. output optical pulse envelope. figure 12. signal detect thresholds and timing. figure 11. hfbr-2115tz receiver relative input optical power vs. eye sampling time position. 1380 200 100 c ? transmitter output optical center wavelength ?nm 1280 1300 1320 180 160 140 120 1360 1340 ? ? transmitter output optical spectral width (fwhm) ?nm t r/f ? transmitter output optical rise/fall times ? ns 1.5 2.0 3.0 3.5 2.5 3.0 3.5 HFBR-1115TZ fddi transmitter test results of c , ? and t r/f are correlated and comply with the allowed spectral width as a function of center wavelength for various rise and fall times. 40 0.7 10.0 4.850 1.525 0.525 5.6 100% time interval 0.725 0.725 4.40 1.975 0.075 0.50 0.025 -0.025 0.0 -0.05 0.10 10.0 5.6 1.525 0.525 4.850 80 500 ppm 4.40 1.975 0.075 0.90 1.025 1.25 time ? ns 0% time interval 1.00 0.975 relative amplitude the HFBR-1115TZ output optical pulse shape fits within the boundaries of the pulse envelope for rise and fall time measurements. relative input optical power ? db 4 4 - 0 eye sampling time position (ns) -3 -1 0 1 5 4 3 2 3 1 -2 2 conditions: 1.t a = 25 c 2. v cc = 5 vdc 3. input optical rise/fall times = 1.0/2.1 ns. 4. input optical power is normalized to center of data symbol. 5. note 21 and 22 apply. 2.5 x 10 -10 ber 1.0 x 10 -12 ber -31.0 dbm -45.0 dbm signal ? detect (on) signal ? detect (off) as ? max input optical power ( > 1.5 db step increase) input optical power ( > 4.0 db step decrease) p o = max (p s or -45.0 dbm) (p s = input power for ber < 10 2 ) min (p o + 4.0 db or -31.0 dbm) p a (p o + 1.5 db < p a < -31.0 dbm) optical power time signal detect output as ? max ? maximum acquisition time (signal). as ? max is the maximum signal ? detect assertion time for the station. as ? max shall not exceed 100.0 s. the default value of as ? max is 100.0 s. ans ? max ? maximum acquisition time (no signal). ans ? max is the maximum signal ? detect deassertion time for the station. ans ? max shall not exceed 350 s. the default value of as ? max is 350 s. ans ? max 8 HFBR-1115TZ transmitter pin-out table pin symbol functional description reference 1f ncf nofinternalfconnect,fusedfforfmechanicalfstrengthfonly 2f v bb f v bb fbiasfoutput 3f gndf groundf notef3 4f gndf groundf notef3 5f gndf groundf notef3 6f gndf groundf notef3 7f omitf nofpin 8f ncf nofinternalfconnect,fusedfforfmechanicalfstrengthfonly notef5 9f ncf nofinternalfconnect,fusedfforfmechanicalfstrengthfonlyf notef5 10f gndf groundf notef3 11f v cc f commonfsupplyfvoltagef notef1 12f v cc f commonfsupplyfvoltagef notef1 13f gndf groundf notef3 14f dataf datafinputf notef4 15f data f invertedfdatafinputf notef4 16f ncf nofinternalfconnect,fusedfforfmechanicalfstrengthfonly hfbr-2115tz receiver pin-out table pin symbol functional description reference 1 ncf nofinternalfconnect,fusedfforfmechanicalfstrengthfonly 2f data f invertedfdatafinputf notef4 3f dataf datafinputf notef4 4f v cc f commonfsupplyfvoltagef notef1 5f v cc f commonfsupplyfvoltagef notef1 6f v cc f commonfsupplyfvoltagef notef1 7f gndf groundf notef3 8f ncf nofinternalfconnect,fusedfforfmechanicalfstrengthfonlyf notef5 9f ncf nofinternalfconnect,fusedfforfmechanicalfstrengthfonlyf notef5 10f omitf nofpin 11f gndf groundf notef3 12f gndf groundf notef3 13f gndf groundf notef3 14f sdf signalfdetectf notef2,f4 15f sd f invertedfsignalfdetectf notef2,f4 16f omitf nofpin notes: 1.ff voltagesfonfvccfmustfbeffromfthefsamefpowerfsupplyf(theyfarefconnectedftogetherfinternally). 2.f f signalfdetectfisfaflogicfsignalfthatfindicatesfthefpresenceforfabsencefoffanfinputfopticalfsignal.faflogic-high,fv oh ,fonfsignalfdetectfindicatesf presencefoffanfinputfopticalfsignal.faflogic-low,fv ol ,fonfsignalfdetectfindicatesfanfabsencefoffinputfopticalfsignal. 3.ff allfgndsfarefconnectedftogetherfinternallyfandftofthefinternalfshield. 4.ff data,f data ,fsd,f sd farefopen-emitterfoutputfcircuits. 5.ff onfmetal-portfmodules,fthesefpinsfarefredefnedfasfportfconnection. 9 specifcations C absolute maximum ratings parameter symbol min. typ. max. unit reference storageftemperature t s -40 100 c leadfsolderingftemperature t sold 260 c leadfsolderingftime t sold 10 sec. supplyfvoltage v cc -0.5 7.0 v datafinputfvoltage v i -0.5 v cc v diferentialfinputfvoltage v d 1.4 v notef1 outputfcurrent i o 50 ma recommended operating conditions parameter symbol min. typ. max. unit reference ambientfoperatingftemperature t a 0 70 c supplyfvoltage v cc 4.5 5.5 v datafinputfvoltagefCflow v ilf -fv cc -1.810 -1.475 v datafinputfvoltagefCfhigh v ihf -fv cc -1.165 -0.880 v datafandfsignalfdetectfoutputfload r l 50 w notef2 signalingfrate f s 10 125 mbd notef3 figuref5 HFBR-1115TZ transmitter electrical characteristics (t a f=f0fcftof+70fc,fv cc f=f4.5fvftof5.5fv) parameter symbol min. typ. max. unit reference supplyfcurrent i cc 145 185 ma notef4 powerfdissipation p diss 0.76 1.1 w notef7 thresholdfvoltage v bbf -fv cc -1.42 -1.3 -1.24 v notef5 datafinputfcurrentfCflow i il -350 0 a datafinputfcurrentfCfhigh i ih 14 350 a HFBR-1115TZ receiver electrical characteristics (t a f=f0fcftof+70fc,fv cc f=f4.5fvftof5.5fv) parameter symbol min. typ. max. unit reference supplyfcurrent i cc 82 145 ma notef6 powerfdissipation p diss 0.3 0.5 w notef7 datafoutputfvoltagefCflow v olf -fv cc -1.840 -1.620 v notef8 datafoutputfvoltagefCfhigh v ohf -fv cc -1.045 -0.880 v notef8 datafoutputfriseftime t r 0.35 2.2 ns notef9 datafoutputffallftime t f 0.35 2.2 ns notef9 signalfdetectfoutputfvoltagefCf f lowf(de-asserted) v olf -fv cc -1.840 -1.620 v notef8 signalfdetectfoutputfvoltagefCf f highf(asserted) v ohf -fv cc -1.045 -0.880 v notef8 signalfdetectfoutputfriseftime t r 0.35 2.2 ns notef9 signalfdetectfoutputffallftime t f 0.35 2.2 ns notef9 10 HFBR-1115TZ transmitter optical characteristics (t a f=f0fcftof+70fc,fv cc f=f4.5fvftof5.5fv) parameter symbol min. typ. max. unit reference outputfopticalfpower 62.5/125f m,fnaf=f0.275ffber p o ,fbol p o ,feol -19 -20 -16.8 -14 -14 dbmfavg. notef13 outputfopticalfpower 50/125f m,fnaf=f0.20ffber p o ,fbol p o ,feol dbmfavg. notef13 opticalfextinctionfratio 0.001 -50 0.03 -35 % f db notef14 outputfopticalfpowerfatflogicf"o"fstate p o ("o") -45 dbmfavg. notef15 centerfwavelength l c 1270 1308 1380 nm notef16 figuref9 spectralfwidthfCffwhm ?l 137 170 nm notef16 figuref9 opticalfriseftime t r 0.6 1.0 3.0 ns notef16,f17 figuref9,f10 opticalffallftime t f 0.6 2.1 3.0 ns notef16,f17 figuref9,f10 dutyfcyclefdistortionfcontributedfbyf f theftransmitter dcd 0.02 0.6 nsfp-p notef18 figuref10 datafdependentfjitterfcontributedfbyf f theftransmitter ddj 0.02 0.6 nsfp-p notef19 randomfjitterfcontributedfbyf f theftransmitter rj 0 0.69 nsfp-p notef20 hfbr-2115tz receiver optical and electrical characteristics (t a f=f0fcftof+70fc,fv cc f=f4.5fvftof5.5fv) parameter symbol min. typ. max. unit reference inputfopticalfpowerf f minimumfatfwindowfedge p infmin. f(w) -33.5 -31 dbmfavg. notef21 figuref11 inputfopticalfpowerf f minimumfatfeyefcenter p infmin. f(c) -34.5 -31.8 dbmfavg. notef22 figuref8 inputfopticalfpowerfmaximum p infmax. -14 -11.8 dbmfavg. notef21 operatingfwavelength l 1270 1380 nm dutyfcyclefdistortionfcontributedfbyf f thefreceiver dcd 0.02 0.4 nsfp-p notef10 datafdependentfjitterfcontributedfbyf f thefreceiver ddj 0.35 1.0 nsfp-p notef11 randomfjitterfcontributedfbyf f thefreceiver rj 1.0 2.14 nsfp-p notef12 signalfdetectfCfasserted p a p d f+1.5fdb -33 dbmfavg. notef23,f24 figuref9 signalfdetectfCfde-asserted p d -45 dbmfavg. notef25,f26 figuref12 signalfdetectfCfhysteresis p a fCfp d 1.5 2.4 db figuref9 signalfdetectfCfassertedftimef(offtofon) as_max 0 55 100 s notef23,f24 figuref12 signalfdetectfCfde-assertedftimef(onftofof ) ans_max 0 110 350 s notef25,f26 figuref12 11 notes:f 1.f f thisfisfthefmaximumfvoltagefthatfcanfbefappliedfacrossfthef diferentialftransmitterfdatafinputsftofpreventfdamageftofthefinputf esdfprotectionfcircuit.f 2.ff thefoutputsfarefterminatedfwithf50f w fconnectedftofv cc f-f2fv.f 3.f thefspecifedfsignalingfratefoff10fmbdftof125fmbdfguaranteesf operationfofftheftransmitterfandfreceiverflinkftoftheffullfconditionsf listedfinftheffddifphysicalflayerfmediumfdependentfstandard.f specifcally,ftheflinkfbit-error-ratiofwillfbefequalftoforfbetterfthanf f 2.5fxf10 -10 fforfanyfvalidffddifpattern.ftheftransmitterfsectionf offtheflinkfisfcapablefoff dc ftof125fmbd.fthefreceiverfisfinternallyf ac -coupledfwhichflimitsftheflowerfsignalingfrateftof10fmbd.fforf purposesfoffdefnition,fthefsymbolfratef(baud),falsofcalledfsignalingf rate,ffs,fisfthefreciprocalfoffthefsymbolftime.fdatafratef(bits/sec)fisf thefsymbolfratefdividedfbyfthefencodingffactorfusedftofencodefthef dataf(symbols/bit).f 4.f thefpowerfsupplyfcurrentfneededftofoperateftheftransmitterfisf providedftofdiferentialfeclfcircuitry.fthisfcircuitryfmaintainsfafnearlyf constantfcurrentffowffromfthefpowerfsupply.fconstantfcurrentf operationfhelpsftofpreventfunwantedfelectricalfnoiseffromfbeingf generatedfandfconductedforfemittedftofneighboringfcircuitry.f 5.f thisfvaluefisfmeasuredfwithfanfoutputfloadfr l f=f10fk w .f 6.f thisfvaluefisfmeasuredfwithfthefoutputsfterminatedfintof50f w f connectedftofv cc f-f2fvfandfanfinputfopticalfpowerflevelfoff-14fdbmf average.f 7.f thefpowerfdissipationfvaluefisfthefpowerfdissipatedfinfthef transmitterfandfreceiverfitself.fpowerfdissipationfisfcalculatedfasfthef sumfoffthefproductsfoffsupplyfvoltagefandfcurrents,fminusfthefsumf offthefproductsfoffthefoutputfvoltagesfandfcurrents.f 8.f f thisfvaluefisfmeasuredfwithfrespectftofv cc fwithfthefoutputf terminatedfintof50f w fconnectedftofv cc f-f2fv.f 9.f f thefoutputfrisefandffallftimesfarefmeasuredfbetweenf20%fandf80%f levelsfwithfthefoutputfconnectedftofv cc f-f2fvfthroughf50f w .f 10.f dutyfcyclefdistortionfcontributedfbyfthefreceiverfisfmeasuredfatf thef50%fthresholdfusingfanfidleflinefstate,f125fmbdf(62.5fmhzf square-wave),finputfsignal.fthefinputfopticalfpowerflevelfisf-20fdbmf average.fseefapplicationfinformationCdataflinkfjitterfsectionfforf furtherfinformation.f 11.f datafdependentfjitterfcontributedfbyfthefreceiverfisfspecifedfwithf theffddifddjftestfpatternfdescribedfinftheffddifpmdfannexfa.5.f thefinputfopticalfpowerflevelfisf-20fdbmfaverage.fseefapplicationf informationfCfdataflinkfjitterfsectionfforffurtherfinformation.f 12.f randomfjitterfcontributedfbyfthefreceiverfisfspecifedfwithfanf idleflinefstate,f125fmbdf(62.5fmhzfsquare-wave),finputfsignal.f thefinputfopticalfpowerflevelfisfatfthefmaximumfoffp infmin. f( w ) .f seefapplicationfinformationfCfdataflinkfjitterfsectionfforffurtherf information.f 13.f thesefopticalfpowerfvaluesfarefmeasuredfwithftheffollowingf conditions:f f ? f thefbeginningfofflifef(bol)ftofthefendofflifef(eol)fopticalfpowerf degradationfisftypicallyf1.5fdbfperfthefindustryfconventionfforf longfwavelengthfleds.fthefactualfdegradationfobservedfinf avagoftechnologiesf1300fnmfledfproductsfisf |
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