Optical & IC Selector Guide
FEATURING 2017 High Performance Portfolio
www.semtech.com
•TIAs
•Laser&ModulatorDrivers
•Single-LaneClearEdge
™
CDRs
•Dual-LaneClearEdge
™
CDRs
optical
•Quad-LaneClearEdge
™
CDRs
•Multi-LaneSignalConditioners
•ROSAs
•LimitingAmpliers
•TransceiverICs
•OpticalReferenceDesignKits
2 SemtechOptical&ICSelectorGuide• 2017
High-Performance
Optical&CopperProducts
Semtechdesignstheindustry’smostinnovativeoptical,analogandmixed-signal
semiconductorsolutionstoservetherisingglobaldemandforhigh-speeddata
transmissionproducts.
Semtechisanactivecontributortonetworkingstandardsdevelopmentandhas
shippedoverhalfabillionopticalICs.Thiscombinationofreal-worldexperience
andindustryleadershipenablesustodeliverbest-in-classsolutionsforour
customers’designs.
Semtechalsooffersoneoftheindustry’smostcomprehensiveportfoliosof
opticaltransceiverICproductsrangingfrom100Mbpstoover100Gbps,
supportingkeyindustrystandardssuchasFibreChannel,InniBand®,Ethernet,
CPRI,PON,SONET,andPCIExpress®.Semtechisalsoinvestinginleading-edge
technologiestoenablecommunicationsystemsat400Gbpsandbeyond.
Forouropticalcomponentandmodulecustomers,thishighlydifferentiated
setofproductsprovidesauniqueroadmapthatimprovesperformanceand
reliability,whilesimplifyingdesign,loweringcostsandspeedingtime-to-market.
Forsystemsdesignersandmanufacturersworkingonthenextgenerationof
high-speednetworks,Semtech’smulti-laneandmulti-rate10Gbps-100Gbps
backplanesolutionsprovidecost-effective,lowpower,high-performance
productstoenablenext-generationnetworks.
contents
Overview 3
SemtechSolutions 4
NewProducts 5
OpticalApplications 6
LaserDrivers(LD)and
LimitingAmpliers(LA) 7
TIAs 8
TransceiverIC
(LD&LA) 10
ClearEdge™CDRs 11
ROSAs 12
CopperApplications 14
Backplane&Linecard
SignalConditioners 15
OpticalModule
ReferenceDesignKits 16
www.semtech.com 3
Enabling High Performance, High-Speed
• ClassleadingICsolutionsfor25Gand100Gapplications,includingSFP28,QSFP28,CFPx,andAOCs
• FullportfolioofintegratedsolutionsforallPONapplicationsandcompletereferencedesigns
• Semtech’sClearEdge™CDRwithlowpower,reference-freetechnology
• Transimpedenceampliers(TIAs)thatexceedtheIEEEStressedReceiverSensitivity(SRS)specications
• Highperformance,lowpowerlaserdrivers
• ReceiveOpticalSub-Assembly(ROSA)basedonSemtech’sRchiptechnology
• Industry’srstsingle-chip10GPONtransceiversforsymmetricandasymmetricapplications
• Industry’srstquadCDRsenablinglongreachInniband®QDR,40GbEand100GbEapplications
• FullportfolioofintegratedsolutionstoaddressallSFP+andXFPmodules
• Dual-laneCDRs(Tx/Rx)withintegratedDMLorEMLdriver
• Protocol-independentrepeaters/redrivers
• Limitingampliers(LA)thatprovidewideband,lownoisepost-amplication
• SFP+referencedesignkitsforopticalmodulestodecreasedesigntime
Building the Future Together
Asnetworkingrequirementscontinuetoevolve,sowillSemtech,byworkingwithcustomerstoprovide
solutionsfortomorrow’snetworkingchallenges.Onethingthatwon’tchange,however,isSemtech’s
commitmenttobeingareliablesupplierandprovidinginnovativeapproachesthatdeliverunrivaled
performanceforthemostsophisticatedapplications.
4 SemtechOptical&ICSelectorGuide• 2017
TechnologyLeadershipforthe
FutureofOpticalCommunications
ClearEdge
™ CDRs
• MarketleaderinCDRs
• Reference-freeoperation
• Integratedsolutionsenablebestperformance
andlowestpower
TIAs
Industryleadingperformanceandprovenreliability
withover400millionsold
Laser Drivers & Limiting
Amplifiers
High-performanceintegratedsolutionsforsingle-
andmulti-channelapplications
ROSAs
Best-in-classsensitivity,basedonourpatented
Rchiptechnology
TECHNOLOGIES
100G Ethernet
SolutionsforQSFP28andCFPxmodulesaswellas
100GAOCs
25G Ethernet
MarketleadingICandROSAsolutionsforSFP28
modulesandAOCs
10G Ethernet & CPRI
• CompleteportfolioofmoduleICand
backplanesolutions
• SolutionsforXFP,SFP+,QSFP+modules
PON/FTTH
• Industry’srstfullyintegrated10GPONsolutions
• HighlyintegratedchipsetsolutionsforEPON&
GPONONU/OLT
16G Fibre Channel
Industry’srstcompleteintegratedICsolutionfor16G
FibreChannel
MARKETS
www.semtech.com 5
NewProducts
GN2105: Low-Power Quad 25Gbps CDR with DML Driver
• FullyintegratedQuadDMLdriverandindustry-leading
ClearEdge™CDR
• Enables<3.5W100GQSFP28PSM4toLR4designs,
whencoupledwithGN2104SorGN2110
• DCCoupledDMLdriverallowsforChip-on-boardand
PassiveDMLTOSAapplications
• ProprietaryDMLcompensationtechnologymaximizes
performancewithmultipleDMLlaservendors
GN2147 / GN2148 / GN2149: Low-Power Dual 24-28Gbps
ClearEdge™ CDRs with Integrated VCSEL Driver and TIA
• GN2147offersindustry’shigherintegratedwithDual
CDR+VCSELDriver+TIAintegratedinacompactsingle
diesizeof1.7x3.0mm
• GN2148andGN2149offerscustomerexibilitywith
CDR+VCSELintegrationandCDR+TIAintegration,
respectivelyinasmalldiesizeof1.2x2.9mm
• Enableslowcost,high-performance25GbpsAOCsand
SFP28SRmodules
GN1159: 1.0 to 12.5Gbps LR Transceiver Chip with
Digital Diagnostics
• BasedonindustryprovenGN1157/B
• FullsuiteofexibleDigitalDiagnosticsmodes
• Advancedeye-shapingfeatures
• Upto92mAppmodulationand120mAbiascurrent
GN2104S: Low-Power Quad ClearEdge™ CDR 25-28Gbps
• Lowpowerdissipation(340mWtypical)
• CompactfootprintidealforQSFP28andCFP4modules
GN2106PS: Low-Power Quad ClearEdge™ CDR with
integrated EML drivers 25-28Gbps and Integrated
Bias T Components
• FullymonolithicallyintegratedquadEMLDriverand
ClearEdge™CDRwithintegratedBiasTcomponentsto
alloweasierlayout
• Providesreference-freesignalconditioningforCFP4and
QSFP28modules
GN2504: Low-Power Quad ClearEdge™ CDR
25-28Gbps Reference-Free Repeater
• Providesreference-freesignalconditioningon
backplanesandlinecards
• Lowpowerdissipation(600mWtypical)
GN2108B: Quad 24-28Gbps Transmitter Array for SR4
• IntegratedClearEdge™CDRandVCSELarraydriver
• Enableextendedreachupto300monOM4,and150m
onOM3
GN2110B: Quad 24-28Gbps Receiver Array for SR4
• IntegratedTIAarrayandClearEdge™CDRoffers
industryleadingperformanceforboth850nmand
1310nmapplications
• 250umchannelpitch
GN3358: High Gain 11.3Gbps Limiting APD ROSA
• Highoutputswingwithpre-emphasisidealfor
non-retimedapplications
• Lowpowerdissipation,best-in-classsensitivity
• Availablewiththresholdadjust
GN3270: 28Gbps Limiting PIN ROSA
• Lowpowerdissipation(105mW)
• For25GbESFP28applications
GN25L98: ONU Transceiver IC
• PONComboICwithintegratedAPDbiascontroller
• SingleBOMcanaccommodatemanydifferent
BOSAsuppliers
• ProgrammableAPDfaultdetection,shutdownandrecovery
GN7151: 10G PON OLT EML/CDR Driver
• 140mAbiascurrent
• Lowpower
• 2.5Vmodulationvoltage
GN28L95: 10G PON Combo IC
• 2.5GdualloopTx,10GRx
• BoBandmodulereferencedesigns
• LowBOMcost
6 SemtechOptical&ICSelectorGuide• 2017
OpticalApplications
Semtech products offer a comprehensive selection of optical transceiver ICs and components for all
1-10GbE, CPRI, OC-192, and 100G module form factors.
LD
LA
TOSA
ROSA
TIA
CDR
CDR
GN2042/44
LD
LA
TOSA
ROSA
LD
TOSA
ROSA
SFP28: 25G SR
TIA
Pin Diode
VCSEL
CDR
CDR
LD
GN2147
TIA
Pin Diode
VCSEL
CDR
CDR
GN2149
LD
GN2148
SFP28: 25G LR DFB/EML
DFB TOSA
GN1081 TIA
GN3270 ROSA
CDR
CDR
GN2139C
GN1181
Ctrl & Fault
GN2108B
GN2109B
Tx
Rx
CDR LD
CDR LD
CDR LD
CDR LD
RSSI, LOS
CDR TIA
CDR TIA
CDR TIA
CDR TIA
VCSEL
Array
PIN
Array
GN2105
GN2110
Tx
Rx
RSSI, LOS
CDR
CDR
CDR
CDR
PIN
Array
DML
TIA
GN2106PS
GN2104S
Tx
Rx
CDR
CDR
CDR
CDR
EML
Quad TIA
XFP, SFP+: 10G Retimed SFP+: 6, 8, 10G Lowest power, LA Free SFP+
SFP28: 25G SR
QSFP28/CFPx: 100G SR4 QSFP28/CFPx: 100G PSM4/CWDM4 QSFP28/CFPx: 100G LR4
GN1157
GN1058 TIA
GN3357 ROSA
GN1068 TIA
GN3250 ROSA
GN1068 TIA
GN3358 ROSA
GN1163
CDR LD
CDR LD
CDR LD
CDR LD
CDR LD
CDR LD
CDR LD
CDR LD
TIA
TIA
TIA
TIA
www.semtech.com 7
LASER DRIVERS
Part
Number Overview DataRate
(Gbps)
MaxMod/Bias
Current(mA)
Supply
(V) Pkg Applications
NT20042 300MbpsLEDDriver 0.3 100 3.3/5.0 QSOP-16 OC-3,FastEthernet
NT22L33 1.25GbpsFP/DFB
LaserDriver 1.25 70/80 3.3/5.0 QFN-24(4mm) OC-3,OC-12,GbE
GN1160 DFBDriver to11.3 90/120 3.3(Opt.2.8) QFN-28 10GESFP+10GBASE-LR
GN1163* DFBDriver to11.9 90/120 3.3(Opt.2.8) QFN-24 QSFP+10GBASE-LR
GN1161* VCSELDriver to11.3 20/15 3.3(Opt.2.8) QFN-28 10GbESFP+10GBASE-SR
GN1190 QuadVCSELDriver to14.3 12/12 3.3 BareDie 40GbpsEthernet,Inniband,
QSFP+
GN1181* DFBDriver 25-28 55m/70 2.3/3.3 BareDie 25GbEand100GbEEthernet
activeTOSA
GN1185* QuadDFBdriver 25-28 55m/70 2.3/3.3 BareDie 100GbEEthernetactiveTOSA
LaserDriversandLimitingAmpliers
High-performance laser drivers and limiting amplifiers for optical communications.
LIMITING AMPLIFIERS
Part
Number Overview DataRate
(Gbps)
Gain
(dB) BW Supply
(V)
NoiseFigure
(uV) Applications
NT20045 200MbpsLimitingAmp 0.2 60 0.125 3.3/5.0 80 OC-3,FastEthernet
NT24L73 1.25GbpsLimitingAmp 1.25 46 0.938 3.3 300 OC-3,OC-12,GbE
APPLICATIONS:
• 10GEPON,XG-PON1andXG-PON2
• 8GFibreChannel
• 9.95GbpsOC-192and10.70GbpsOC-192withFEC
• 10.3GbpsEthernet
• 10.52GbpsFibreChannel
• 11.1GbpsEthernetoverSONET/SDH
• 11.3GbpsFibreChannelwithForwardErrorCorrection
• 40GQSFP+modules
• 6Gbpsand10GbpsCPRImodulesforwirelessfronthaul
• 100GbpsEthernet
LIMITING AMPLIFIERS:
NT20045
Lowcost3.0Vto5.5V,200Mbpslimitingamplierfor
SONET,SDH,ESCONandFastEthernetapplicationsover
opticalber.
NT24L73
1.25GbpsCMOSlimitingamplierwithCMLdataoutputs
andsignalstatusinanMSOPpackage.
LASER DRIVERS:
GN1185
High-performanceQuad25–28GbpsDMLdriverforactive
TOSAstargeting100Gapplications.
GN1181
High-performance28GsinglechannelDMLdriverfor
activeTOSAs.
NT20042
Lowcost3.3V/5.0V300MbpsLEDdriverforSONET/SDH,
ESCONandFastEthernetapplicationsoveropticalber.
NT22L33
3.3V/5.0VCMOSlaserdriverfordataratesof125Mbps
to1.25Gbps.
GN1160, GN1161, GN1163
VerylowpowerlaserdriversforDFB/VCSELapplications,
RSSIfeatureforcompatibilitywithourhighgainROSA’s,
enablingSFP+moduleswithoutlimitingampliers.
GN1190
QuadVCSELdriverforparallelandmulti-channeldatacom
&telecommodules.Lowpowerconsumption,210mW
typicalfor4channels.UsewithGN1090quadTIA.
*Please contact your sales representative for more details.
8 SemtechOptical&ICSelectorGuide• 2017
TIAs
SemtechoffersaportfoliooffullyintegratedBiCMOSand
pureCMOStransimpedanceampliersprovidingwideband,
lownoisepre-amplicationofacurrentsignalfromaPIN
photodiodeorAPD.
Semtech’sTIAsofferbest-in-classperformanceinlimiting,
linearorautomaticgaincontrolversionsforuseinhigh-
performanceopticalreceiversoperatingfrom155Mbps
to28Gbps.
FEATURES
• Wideband,lownoise
• Limiting,linearandAGCversions
• Fullyintegratedon-chipde-couplingforlowcost
andbestperformance
APPLICATIONS
• ITU/IEEE-basedtransmissionsystems
• 10Gand100GEthernet
• SONET/SDHbasedtransmissionsystems,test
equipmentandopticalmodulesfromOC-3
toOC-192
• 8Gand16GFibreChannel
• Serialdatasystemsupto28Gbps
• PON/FTTHsystems–BPON,EPON,GPON,
10GEPONandXG-PON
• 6Gand1–12GCPRImodulesforwirelessfronthaul
• 100Gbpsclientsidemodules
Wideband, low noise transimpedance amplifiers (TIAs) for your optical communication applications.
GN1081, GN1084, GN1085
1x28Gbpsand4x28GbpslimitingTIAoptimizedfor
100GBASE-LR4applications.
GN7068
10GbpslimitingTIAdesignedforAPDapplicationssuch
asROSAsfor10GPONOLTand10GBASE-ZRtransceivers
modules.
GN7050, GN7051, GN7052, GN7053
LimitingTIAdesignedspecicallyfor1GEPON,1GGPON,
2.5GXG-PONand10GEPONOLTapplications.
GN1068
14Gbpsmulti-ratelimitingTIAprovidinghighgainand
widebandperformanceforuseinEthernetand16GFibre
Channelapplications.
GN1056
10GbpslinearTIAforhigh-performanceAPDapplications
suchasultra-longhaultelecomandsubmarineapplications.
GN1058
10GbpshighgainTIAoptimizedforapplicationsrequiring
AGC,suchas10GBASE-LRMandDWDMreceiversforlow
OSNRenvironments.
GN1090
Quad14.5Gbpsarrayreceiverforparallelandmulti-
channeldatacomandtelecommodules.Advanced
receiverdesignforexcellentopticalperformanceandvery
lowpowerconsumption(240mWtotalfor4channels).
UsewithGN1190QuadVCSELDriver.
NT25L55
2.5GbpsSuperTIAforGPONONUwithhighsensitivity
betterthan-30dBmoverallconditions.
LD
LA
TOSA
ROSA
TIA
CDR
CDR
www.semtech.com 9
NT25L51
2.5GbpsCMOSTIAforFTTHandTelecomFibertransceiver
applicationswithautomaticgaincontrolenablingover
27dBofdynamicoperatingrange.
NT24L55
Superhighsensitivity,high-performanceCMOS1.25Gbps
TIAwith35dBofdynamicoperatingrangedesignedfor
FTTHapplicationssuchasGEPONtransceiversandlong
haultelecom/datacomapplications.
NT24L50
1.25GbpshighsensitivityTIAwithautomaticgaincontrol
forFTTHandDatacomFibertransceiverapplications.
NT23L50
622MbpshighsensitivityTIAforFTTHandTelecomFiber
transceiverapplications.
NT20R67
Lowcost3.3Vto5.0VCMOSPINTIAwithautomaticgain
controlandmorethan43dBdynamicrangeforOptical
Fiberapplicationsupto200Mbps.
TIAs
Part
Number
Overview
Data
Rate
(Gbps)
Gain
(
kΩ)
BW
(GHz)
Supply
(V) Noise Applications
NT20R67 155MbpsAGCTIA 0.155 63 0.165 3.3/5.0 11nA OC-3,FastEthernet
NT20067 155MbpsAGCTIA 0.155 23 0.165 3.3/5.0 11nA OC-3,FastEthernet
NT23L50 622MbpsAGCTIA 0.622 50 0.32 3.3 60nA OC-12,BPON
NT24L50 1.25GbpsAGCTIA 1.25 25 0.75 3.3 92nA GbE,EPON
NT24L55 1.25GbpsHighSensitivityAGCTIA 1.25 46 0.75 3.3 74nA EPON
NT25L51 2.5GbpsAGCTIA 2.5 8 1.7 3.3 230nA OC-48,GPON(APD)
GN25L53* 3.1GbpsAGCTIA 3.1 5.5 1.9 3.3 335nA CPRI,GPON,OC-48(APD)
NT25L55* 2.5GbpsHighSensitivityAGCTIA 2.5 21 1.4 3.3 87nA GPON(PD)
NT28L52* 10GLimiting to10.3 2.35 73.3 1.2μA PON,10GBASE-SR
GN1056 10GLinear to11.3 500/1 12 3.3 1μA OC-192
GN1058 10GLinearAGC to11.3 4 12 3.3 1μA 10GBASE-LRM&DWDM
GN7068 10GLimiting to11.3 3 12 3.3 1μA
APDROSAsfor
10GPONONU&
10GBASE-ZR
GN1068 14GLimiting to14.3 6.75 12 3.3 1.2μA CPRI,10GBASE-SR/LR/ER
&16GFC
GN1090 Quad10Glimiting to14.3 * * 3.3 0.9μA 40GbpsEthernet;
Inniband,QSFP+
GN7050* 1.25GBurstModeLimiting 1.25 13 1.0 3.3 *1GEPONOLT
GN7052* Tri-ratePONTIA
1.25/
2.5/
10.3
13/
1.2/
2.3
1.1/
2.5/
8.7
3.3 *
1.25GEPON/
2.5GXG-PON/
10GEPONOLT
GN7053* 1GGPONBurstModeLimiting 1.25 1.25 1.5 3.3 *1GGPONOLT
GN1081* 28GLimiting 28 6 22 3.3 1.78μA 25Gbpsand100GbpsEthernet/
OTN,InnibandEDR
GN1084* 25GLimiting 25 6 22 3.3 2.3μA 25Gbpsand100GbpsEthernet
GN1085* Quad28GLimiting 28 6 22 3.3 1.78μA 100GbpsEthernet/OTN,
InnibandEDR
*Please contact your sales representative for more details.
10 SemtechOptical&ICSelectorGuide• 2017
TransceiverICs(LD&LA)
High-performance laser drivers and limiting amplifiers for optical communications.
GN1157/57B/59/58
Semtech’slatest,lowestpowertransceiverICforSFP+LR/
SRapplicationswithintegratedAPCandadvancedeye
shapingfeatures.
GN28L95
Combined10Gbpslimitingpostamplierand2.5Gbps
burstmodelaserdriverforcostcritical10GEPONandXG-
PONasymmetricapplications.GN28L95featuresrobust
automaticERcontrolandintegratedAPDcontroller.
GN25L96, GN25L96
2.5GbpsCMOSprogrammableburstmodelaserdriver
andpostamplieroptimizedforwidelasercompatibility
andTIAsensitivity.
GN25L98
2.5GbpsCMOSburstmodelaserdriverandlimiting
postamplierwithautomaticERCcontroland
integratedAPDcontroller.
GN7354, GN7355
10GEPONtransceiverfornext-generationPONsystems.
TheGN7355combinesa10Gburstmodelaserdriverwith
areceiveCDRandistargetedat10GEPONsymmetric
applications.TheGN7354isapin-for-pincompatible,
de-ratedversionoftheGN7355intendedtoaddressthe
1.25Gbpsand2.5Gbpstransmitdatarate,andcostpressures
ofthe10GbpsasymmetricEPONandXG-PONapplications.
GN1411A/12B/44/44S
TheGN1411A/GN1412Aarehighly-integrated,low-
power,smallfootprinttransceiversthatareidealfor
SFP+LR/ERopticalmodules.
Transceiver IC (LD&LA)
Part
Number Overview DataRate
(Gbps)
MaxMod/Bias
Current(mA)
Supply
(V) Package Applications
GN25L95* BurstModeDFB
+ReceiveLA to2.5 90/100 3.3 QFN-28 EPON,GPON,
BOSA-on-Board
GN25L96* ProgrammableBurstMode
DFB+ReceiveLA to2.5 90/100 3.3 QFN-28 EPON,GPON,
BOSA-on-Board,SFP
GN25L98*
BurstModeDFB
+ReceiveLA+
APDController
to2.5 90/100 3.3 QFN-28 EPON,GPON,
BOSA-on-Board
GN25L95C* SFPBurstModeDFB
+ReceiveLA
3.1Gto
125M 90/100 3.3 QFN-28 Single and multi rate
SFP
NT28L90 2.5GbpsBurstModeDFB
+10GbpsReceiveLA
Rx10.3
Tx2.5 90/100 3.3 QFN-28
10GbEEPON,
XG-PON1
(Asymmetric)
GN28L95 2.5GbpsBurstModeDFB
+10GbpsReceiveLA
Rx10.3,
Tx2.4G 100/85 3.3 QFN-32 10GbEEPON,XG-PON
(Asymmetric)
GN7354* BurstModeDFB
+ReceiveLA&CDR
Rx10.3
Txto2.5 90/90 3.3
(3.3or5outputstage) QFN-32 10GbEEPON,XG-PON
(Asymmetric)
GN7355 BurstModeDFB
+ReceiveLA&CDR 10.3 90/90 3.3+5outputstage
(optional3.3V) QFN-32 10GbEEPON,XG-PON
(Symmetric)
GN1412B* EMLLaserDriver
+ReceiveLA to11.3 2.5Vpp/120mA 3.3 QFN-32 10GbE,OC-192
GN1444S* EMLLaserDriver
+ReceiveLA to11.3 2.5Vpp/120mA 1.8&3.3 QFN-32 10GbE,OC-192
GN1157 DMLLaserDriver
+ReceiveLA to11.3 90/120 3.3
(Optional2.8) QFN-28 10GbELRSFP+,CPRI
GN1157B* DMLLaserDriver
+ReceiveLA to12.5 90/120 2.4&3.3 QFN-28 10GbELRSFP+,CPRI
GN1158 VCSELLaserDriver
+ReceiveLA to11.3 20/15 3.3
(Optional2.8) QFN-28 10GbESRSFP+
*Please contact your sales representative for more details.
www.semtech.com 11
ClearEdge™CDRs
ENABLING NEXT-GENERATION 100G MARKETS
Semtech100GClearEdge™CDRportfoliointegrates
ourprovenQuad24G-28GCDRswithVCSEL,DMLor
EMLdriversfortransmitwithTIAsforreceive,targeting
bothshortreachandlongreachmodules.Ourproven
integrationandtheindustry’slowestpowerandsuperior
performancesimplies100Gdesignsandlowerscost.
ENABLING SFP28 AND 25GBS AOCS
TheGN2147dualCDRwithintegratedVCSELdriverand
TIAenableshigh-performanceandlowcostSFP28SR
modulesandAOCs.Thesinglechipdesignandadvanced
transmitcompensationenableslowcostsolutionsusing
asinglelensdesignaswellaslowbandwidthVCSELsfor
exceptionalBOMsavings.
Semtech’s multi-lane signal conditioners based on our reference-free ClearEdge™ CDR platform with
integrated drivers and TIAs offer the lowest power, smallest footprint solutions for XFP, retimed SFP+,
25G and 100G modules, and AOCs.
FEATURE SET FOR DWDM AND TUNABLE APPLICATIONS
TheGN2040familyhasarichfeaturesettoenable
optimalperformanceinDWDMandTunableapplications.
Thefeaturesincludesliceleveladjust,programmable
peakingonthereceivepathinputandsamplingclock
phaseadjust.
LOW COST, SMALL FOOTPRINT SOLUTION
Semtech’sfullyintegratedCDRsolutionsincludingthe
GN2040familyandGN2017Aenablehighdensitymodule
designsincludingDWDM,FibreChannelandTunable
applications.Packagesolutionsat5x5mm32-QFNand
evenassmallas4x4mm32-QFNareavailablewithfull
featuresets.
ClearEdge™ CDRs
Part
Number
DataRate
(Gbps) Lanes Laser
Driver TIA SliceLevel
Adjust
Pin
Compatibility Package Applications
GN2042* 9.95–11.3 2
(1Rx+1Tx) DML – Yes GN2044 QFN-32
XFP&SFP+,10GbE&OC-192
Enables1WRetimed
SFP+10km
GN2044* 9.95–11.3 2
(1Rx+1Tx) EML – Yes GN1444,
GN2042 QFN-32
XFPandSFP+10GbE,
OC-192&DWDM
Enables1.5WRetimed
SFP+40/80km
GN2044S* 9.95–11.3 2
(1Rx+1Tx) EML – Yes GN1444S QFN-32 TunableSFP+,OC-192&DWDM
Enables1.5WRetimedTSFP+
GN2040* 9.95–11.3 2
(1Rx+1Tx) DML – Yes GN204x QFN-32 XFPandSFP+,10GbE,
OC-192andDWDM
GN2017A* 9.95–11.7
14.025
2
(1Rx+1Tx) VCSEL – No GN2010X QFN-32 16GFC,10GFCoE
GN2104S* 25–28 4 – – Yes – FC-CSP 100GbpsEthernet,
InnibandEDR
GN2106PS* 25–28 4 EML – Yes – BGA 100GbpsEthernet/OTN,
InnibandEDR
GN2108 25 4 VCSEL – Yes – Die 100GbpsEthernetSR4
GN2109* 25 4 – Yes Yes GN2110 Die 100GbpsEthernetSR4,PSM4
GN2110* 25–28 4 – Yes Yes GN2109 Die 100GbpsEthernet/OTNPSM4,
CWDM4,CLR4
GN2105* 25–28 4 DML – Yes – FC-BGA 100GbpsEthernet,PSM4,
CWDM4,CLR4
GN2147 24–28.1 2(Rx+Tx) VCSEL Yes – – Die 25GbpsAOC
GN2148 24–28.1 1Tx VCSEL – – – Die SFP28SR
GN2149 24–28.1 1Rx – Yes – – Die SFP28SR
GN2139C* 24–26.5 2(Rx+Tx) – – – – CSP SFP28LR&ER
*Please contact your sales representative for more details.
12 SemtechOptical&ICSelectorGuide• 2017
ROSAs
Best-in-class receive optical sub-assemblies (ROSAs) based on patented Rchip technology.
GN3050
10kmlimitingROSAprovidesexcellentperformance
achieving-21dBmunstressedsensitivity.Idealfor
10GBASELRandSR1.
GN3250
10/40kmXMDcompatiblelimitingROSAprovides
excellent-21dBmunstressedsensitivityandhighORL
for10GBASE-ERandIR-2applications.
GN3052
AGCROSAfor10GbELRMandlinearapplications.
InteroperabilitywithallleadingEDCsolutionsforLRM.
GN3357
11.3GbpsAPDROSAwithhighgainlinearAGCTIAfor
both80kmlimitingandDWDMapplicationsrequiring
excellentOSNRperformance.
GN3257
10/40kmlinearAGCROSAofferingexcellent
performanceinlow-OSNRenvironments,coupledwith
lowpowerconsumption.
GN3268
10/40kmXMDcompatiblelowpower(94mW)
limitingROSA.
GN3270
Alimiting25GbpsPINROSAinaTO-46styleco-axial
package,withexcellentsensitivityperformancecoupled
withlowpowerconsumption.
LD
LA
TOSA
ROSA
TIA
CDR
CDR
Semtech’scompletelineofPINandAPDROSAproducts
spans1310nmnanometer(nm)to1550nmincluding
limiting,linearandautomaticgaincontrol(AGC)
functionality.OurPINROSAsoperateat+3.3V±10%
andfrom-40°Cto+85°C,withhighlyaccurateRSSI
functionalityandindustrybestdynamicrange.TheROSA
productsfeaturepatentedRchippackagedinafully
compliantSCorLCtypeopticalsubassemblyandare
availablewithoptionalexcircuits.
SuperhighgainRchipROSAsdeliver35kΩ of gain that
eliminatesthecostandpowerofthelimitingamplierfor
SFP+applications.
FEATURES:
• Best-in-classstressedreceiversensitivity
• Highgaintoensureexceptionalcrosstalk
performancewithinthemodule
• PatentedRchiptechnologytoensuremaximum
modulemanufacturingyield
• Superhighgaindeliversmostintegrated,lowest
powerSFP+solution
APPLICATIONS:
• 10GBASE-SR
• 10GBASE-LR
• 10GBASE-ER
• 10GBASE-LRM
• OC-192SR-1
• OC-192IR-2
• 10GEPON
• 80km
• DWDM
• 8GFC&10GFC
• 25GEthernet
GN3250
ROSA
www.semtech.com 13
ROSAs & Super High Gain ROSAs
Part
Number
Overview DataRate
(Gbps)
Gain
(
kΩ)
Supply RSSI Unstressed
Sensitivity Comments ORL
GN3050 10kmRchipLimiting to11.3 10 +3.3V±10% Yes -21dBm -16.8dBmOMA
(Stressedsens.) -14dB
GN3250 40kmRchipLimiting to11.3 10 +3.3V±10% Yes -21dBm -16.0dBmOMA
(Stressedsens.) -27dB
GN3052 LRMRchipAGC to11.3 9 +3.3V±10% Yes -17dBm
OMA
-12dBmOMA
(Stressedsens.) -14dB
GN3155* SRSuperHighGain
Rchip to11.3 35 +3.3V±10% Yes -15dBm
OMA EliminatesLAinSFP+ -14dB
GN3055* 10kmSuperHighGain
Rchip to11.3 35 +3.3V±10% Yes -21dBm EliminatesLAinSFP+ -14dB
GN3255* 40kmSuperHighGain
Rchip to11.3 35 +3.3V±10% Yes -21dBm EliminatesLAinSFP+ -27dB
GN3068* 10kmLowPower
Limiting to11.3 7+3.3V±10% Yes -21dBm 94mWpowerdissipation -14dB
GN3268* 40kmLowPower
Limiting to11.3 7+3.3V±10% Yes -21dBm 94mWpowerdissipation -27dB
GN3257* PINwithAGC to11.3 8.5 +3.3V±10% Yes -19dBm – -27dB
GN3352 APDwithAGC to11.3 4 +3.3V±10% VAPD -27dBm – -27dB
GN3357* HighGainAPDwith
AGC to11.3 8.5 +3.3V±10% VAPD -27dBm – -27dB
GN3358* HighGainAPDRchip to11.3 13 +3.3V±10% VAPD -27dBm Idealfornon-retimed
SFP+ -27dB
GN3368* LimitingAPDRChip to11.3 4 +3.3V±10% VAPD -27dBm – -27dB
GN3270* 25GLimitingPINROSA 28 6 +3.3V±10% Yes -14dBm SFP28LRapplications -27dB
*Please contact your sales representative for more details.
14 SemtechOptical&ICSelectorGuide• 2017
CopperApplications
Semtech offers a comprehensive selection of IC solutions for high speed serial line card and
backplane communication applications.
High-Speed Backplanes
LINECARD
nx10Gbps
CDR
CDR
ASIC
LINECARD
nx10Gbps
CDR
CDR
ASIC CONNECTOR
BACKPLANE OR
MID-PLANE
Retimers:
GN2405A/6
GN2402
GN2412 Family
GN2408 Family
GN2404 Family
GN2504
CONNECTOR
CDR
CDR
CDR
CDR
SFP+
QSFP+
CXP
QSFP28
nx28Gbps
Retimed Crosspoints
SWITCH CARD 2
SWITCH CARD 1
Crosspoint
Crosspoint
Switch
ASIC
Crosspoint
Crosspoint
LINECARD
ASIC
PASSIVE
BACKPLANE
Crosspoints:
GX4002
GN2412 Family
GN2408 Family
GN2404 Family
SFP+
QSFP+
CXP
Crosspoint
www.semtech.com 15
Lim
Amp or
EQ
De-
Emphasis
DFE/CDR
Backplane&LinecardSignalConditioners
HIGH LEVEL OF INTEGRATION AND SMALL FOOTPRINT
Semtech’sbackplaneandlinecardsignalconditionersare
idealforsmallformfactormodulesordensebackplane/
linecardapplications.
FULL PORTFOLIO
SemtechproductsoffersolutionsforEthernet,Inniband,
FibreChannelandPCIExpress.Solutionsareavailablewith
andwithoutCDRfunctionality.
DRIVE LONG BACKPLANES OR CABLES
AcombinationofEqualizer,DFEandClearEdge™CDR
technologyallowsforanoptimalsolutiontodrivelong,
densebackplanesorcablesathighspeeds.
Semtech’s multi-channel signal conditioners enhance the reach and robustness of high-speed serial
links by compensating for transmission losses and re-setting the crosstalk and jitter budgets.
LOW POWER
Semtech’sClearEdge™CDRproductsrequirethelowest
powerintheindustry,akeyfactorasdensitiesincrease.
RESET THE JITTER AND CROSSTALK BUDGETS
UsingCDRswillresetthejitterbudget,substantially
increasingtherobustnessofthesystemandallowingfor
designexibility.UsingCDRsinmulti-channelsystemswill
alsoresetthecrosstalkbudget,anincreasingconcernat
higherdatarates.
Multi-Lane Signal Conditioners
Part
Number
DataRate
(Gbps) Lanes CDR Ref
Clock
Input
Stage
De-em-
phasis
Supply
(V) Pkg Applications
GN2504* 25.6–28.1 4 Yes Not
Req.
Adaptive
Equalizer Yes 1.8 QFN-54 25G/50G/100GLinecards,nx28G
Backplanes,25G/50G/100GActive
CopperCables
GT1706
Family* 1.25–14.5 6 Yes Req. Adaptive
Equalizer Yes 0.9
1.8 BGA-144
HD/3G/4K/8KVideoBroadcast
testingFibreChannel/Inniband/Ethernet
LinkTestingBERTDevelopments
GN2412
Family* 1.25–12.8 12 Yes Req.
Adaptive
Equalizer
DFE
Yes 0.9
1.8 BGA-144
>nx10GBackplanes,10G/40G/100G
Linecards,10G-KR,40G-KR4,40G-CR4,
CrosspointSwitching,CPRI
GN2408
Family* 1.25–12.8 8 Yes Req.
Adaptive
Equalizer
DFE
Yes 0.9
1.8 BGA-144 >nx10GBackplanes,10G/40GLinecards,
10G-KR,CrosspointSwitching,CPRI
GN2404
Family* 1.25–12.8 4 Yes Req.
Adaptive
Equalizer
DFE
Yes 0.9
1.8 BGA-144
>nx10GBackplanes,10G/40GLinecards,
10G-KR,40G-KR4,40G-CR4,
CrosspointSwitching,CPRI
GN2402* 10.3125 4 Yes Not
Req. Equalizer Yes 3.3 QFN-44 nx10GBackplanes,10G/40G
Linecards,10G/40GActivecables
GX4002 9.9–11.3,
14.025 2Yes Not
Req. Equalizer Yes 3.3 QFN-32
nx10GBackplanes,10G/40GLinecards,
InnibandFDR,16GFibreChannel,
CrosspointSwitching
GN2405A/5S
*9.95–11.3 4 Yes Not
Req. Equalizer Yes 3.3 QFN-48
nx10GBackplanes
10G/40GLinecards
10G/40GActivecables
GN2406/6S* 9.95–10.95 4 Yes Not
Req. LimitingAmp Yes 3.3 QFN-48 10G/40GLinecards
GN1407 1–8 4 No Not
Req. Equalizer No 1.2
1.8 QFN-56
PCIeGen1/2/3,SNAP-12,
POP-4/LX-4/CX-4/KX-4,XAUI/RXAUI
andRapidI/O
GN1406
2.5,
3.125,
5.0,6.25
4 Yes Req. Equalizer Yes 1.2
1.8 QFN-56
PCIeGen1/2,SNAP-12,
POP-4/LX-4/CX-4/KX-4,XAUI/RXAUI
andRapidI/O
*Please contact your sales representative for more details.
OPTICAL MODULE REFERENCE DESIGN KITS
PartNumber PartsDemonstrated DataRate
(Gbps)
Connector
Type
Wavelength
(nm) Applications
RDK-SFP++LR
GN3068/GN3268,
GN2010D/GN2042 9.95–11.3 SFP+ 1310 10GbELR,OC-192
RDK-SFP++ER
GN3268,GN2010EA/GN2044 9.95–11.3 SFP+ 1550 10GbEER,OC-192
RDK-SFP+-PON-S00
GN7355 10.3 SFP+ 1577/1270 10GEPON
RDK-SFP+-PON-A00
GN7354 10/1.25
10/2.5 SFP+ 1577/1310
1577/1270
10GEPONAsym.
XG-PON1
RDK-SFP+-Optical02
GN1157 1–11.3 SFP+ 1310 10GbELR&CPRI
RDK-GN1157B-SFP+00
GN1157B 1–12.5 SFP+ 1310 10GbELR&CPRI
RDK-SFP+-Optical03
GN1158 1–11.3 SFP+ 850 10GbESR
RDK-SFP+-Optical04
GN1160,GN3055 1–11.3 SFP+ 1310 10GbELR
OpticalModuleReferenceDesignKit
FAST TIME-TO-MARKET
Semtech’sreferencedesignkitsoffertrainingthrough
schematics,layoutlesandadesignguideaswellasprompt
supportfromourexperiencedapplicationsengineers,
reducingbothdesigncostsandtimetomarket.Thistypeof
systemiscurrentlyexecutedintheFTTxmarket,astheability
toreusethe10GsymmetricSFP+designtoaddressthe10G
asymmetricmarketisincorporated.
Improve the performance and time to market of your SFP+ design with Semtech Optical Module
Reference Design Kits.
BROAD RANGE OF REFERENCE DESIGNS AVAILABLE
Referencedesignkitsareofferedtocoverawidevarietyof
SFP+applications,includingsymmetricalandasymmetrical
PON,and10GbESRandLRapplications.
ForEthernetSFP+,designsareavailableforboththe
traditionalarchitecture(includingaLAinthereceive
chain),aswellasanewLA-freearchitectureenabledby
Semtech’sHighGainROSAportfolio.
GN1157B RDK (RDK-GN1157B-SFP+00)
GN1160/GN3055 RDK (RDK-SFP+-Optical04)
GN7354/7355 RDK, RDK-SFP+-PON-S00, RDK-SFP+-PON-A00
RxCDR+TxBurstMode
DMLdriver
GN7355-SymmetricPON
GN7354-AsymmetricPON
RDK-SFP++LR
Design files and results available upon request.
SemtechandtheSemtechlogoareregisteredmarksofSemtechCorporation.Allothertrademarksandtradenamesmentionedmaybemarksandnamesoftheirrespectivecompanies.Semtech
reservestherighttomakechangesto,ordiscontinueanyproductsdescribedinthisdocumentwithoutfurthernotice.Semtechmakesnowarranty,representationorguarantee,expressorimplied,
regardingthesuitabilityofitsproductsforanyparticularpurpose.©2017SemtechCorporation.Allrightsreserved.Optical-SG17
Semtech Corporation 200FlynnRoad,Camarillo,California93012
phone:(805)498-2111 • fax:(805)498-3804 • email:canada@semtech.com • www.semtech.com