Overview
LX431xCDR SFP+ transceivers, according to Enhanced 8.5 and 10 Gigabit Small Form Factor Pluggable “SFP+” Multi-Sourcing Agreement (MSA) SFF-8431 and SFF-8472, revision 10.4, are designed for CWDM 10G ethernet data communications up to 40km over single mode fiber. They are compliant with IEEE Std 802.3-2005 10Gb Ethernet 10GBase-ER/EW.
Features
Compliant with IEEE Std 802.3-200510G Ethernet 10GBase-ER/EW
Electrical interface specifications per SFF-8431
Management interface specifications per SFF-8431 and SFF-8472
SFP+ MSA package with duplex LC connector
Cooled EML Laser
Up to 10.3Gb/s bi-directional data links
Single +3.3V power supply
Class 1 laser safety certified
Commercial operating temperature:0℃ to +70℃
Optical Characteristics
Table 1. Transmitter Optical Characteristics
Parameter
|
Symbol
|
Minimum
|
Typical
|
Maximum
|
Unit
|
Notes
|
Launch Optical Power
|
Po
|
-4.7
|
-
|
+4.0
|
dBm
|
1
|
Center Wavelength Range
|
λc
|
1464.5
|
-
|
1617.5
|
nm
|
-
|
Center Wavelength Tolerance
|
Δλc
|
-6.5
|
|
6.5
|
nm
|
|
Extinction Ratio
|
EX
|
5.0
|
-
|
-
|
dB
|
2
|
Optical Modulation Amplitude
|
OMA
|
-2.1
|
-
|
-
|
dBm
|
|
Side Mode Suppression Ratio
|
SMSR
|
30
|
-
|
-
|
dB
|
-
|
Transmitter and Dispersion Penalty
|
TDP
|
-
|
-
|
3.0
|
dB
|
-
|
Relative Intensity Noise
|
RIN
|
|
|
-128
|
dB/Hz
|
|
Optical Return Loss Tolerance
|
ORLT
|
-
|
-
|
21
|
dB
|
-
|
Pout @TX-Disable Asserted
|
Poff
|
-
|
-
|
-30
|
dBm
|
1
|
Eye Diagram
|
IEEE Std 802.3-2005 10Gb Ethernet 10GBASE-ER compatible
|
Notes:
1.The optical power is launchedinto 9/125µm SMF.
2.Measured with a PRBS 231-1test pattern @10.3125Gbps.
Table2. Receiver Optical Characteristics
Parameter
|
Symbol
|
Minimum
|
Typical
|
Maximum
|
Unit
|
Notes
|
Center Wavelength
|
λc
|
1464.5
|
-
|
1617.5
|
nm
|
-
|
Receiver Sensitivity (Pavg)
|
S
|
-
|
-
|
-15.8
|
dBm
|
1
|
Receiver Sensitivity (OMA)
|
SOMA
|
-
|
-
|
-14.1
|
dBm
|
1
|
Receiver Overload (Pavg)
|
POL
|
-1.0
|
-
|
-
|
dBm
|
1
|
Stressed Sensitivity (OMA)
|
-
|
-
|
-
|
-11.3
|
dBm
|
2
|
Optical Return Loss
|
ORL
|
26
|
-
|
-
|
dB
|
-
|
LOS De-Assert
|
LOSD
|
-
|
-
|
-17
|
dBm
|
-
|
LOS Assert
|
LOSA
|
-30
|
-
|
-
|
dBm
|
-
|
LOS Hysteresis
|
-
|
0.5
|
-
|
-
|
dB
|
-
|
Notes:
1. Measured with PRBS 231-1test pattern, 10.3125Gb/s, BER<10-12.
2. Comply with IEEE 802.3-2005.
Table3. Ordering Information
Part Number
|
Transmitter
|
Output Power
|
Receiver
|
Sensitivity
|
Reach
|
Temp
|
DDM
|
RoHS
|
LX4311CDR
|
1471nm EML
|
-4.7 ~ +4dBm
|
PIN
|
< -15.8dBm
|
40km
|
0 ~ 70℃
|
Available
|
Compliant
|
LX4312CDR
|
1491nm EML
|
-4.7 ~ +4dBm
|
PIN
|
< -15.8dBm
|
40km
|
0 ~ 70℃
|
Available
|
Compliant
|
LX4313CDR
|
1511nm EML
|
-4.7 ~ +4dBm
|
PIN
|
< -15.8dBm
|
40km
|
0 ~ 70℃
|
Available
|
Compliant
|
LX4314CDR
|
1531nm EML
|
-4.7 ~ +4dBm
|
PIN
|
< -15.8dBm
|
40km
|
0 ~ 70℃
|
Available
|
Compliant
|
LX4315CDR
|
1551nm EML
|
-4.7 ~ +4dBm
|
PIN
|
< -15.8dBm
|
40km
|
0 ~ 70℃
|
Available
|
Compliant
|
LX4316CDR
|
1571nm EML
|
-4.7 ~ +4dBm
|
PIN
|
< -15.8dBm
|
40km
|
0 ~ 70℃
|
Available
|
Compliant
|
LX4317CDR
|
1591nm EML
|
-4.7 ~ +4dBm
|
PIN
|
< -15.8dBm
|
40km
|
0 ~ 70℃
|
Available
|
Compliant
|
LX4318CDR
|
1611nm EML
|
-4.7 ~ +4dBm
|
PIN
|
< -15.8dBm
|
40km
|
0 ~ 70℃
|
Available
|
Compliant
|
Applications
10G Ethernet 10GBASE-ER/EW
40km 10G CWDM Network