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Overview:
The SFP transceivers are high performance, cost effective modules supporting data-rate of 1.25Gbps and 80km transmission distance with SMF.
Features:
- Data-rate of 1.25Gbps operation
- 1550nm DFB laser and PIN photodetector for 80km transmission
- Compliant with SFP MSA and SFF-8472 with duplex LC receptacle
- Digital Diagnostic Monitoring:Internal Calibration or External Calibration
- Compatible with RoHS
- +3.3V single power supply
- Operating case temperature:
Standard : 0 to +70°C
Extended : -20 to +85°C
Specification:
|
Absolute Maximum Ratings |
|||||||
|
Parameter |
Symbol |
Min |
Max |
Unit |
|||
|
Supply Voltage |
Vcc |
-0.5 |
4.5 |
V |
|||
|
Storage Temperature |
Ts |
-40 |
+85 |
°C |
|||
|
Operating Humidity |
- |
5 |
85 |
% |
|||
|
Recommended Operating Conditions |
|||||||
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
||
|
Operating Case Temperature |
Standard |
Tc |
0 |
|
+70 |
°C |
|
|
Extended |
-20 |
|
+85 |
°C |
|||
|
Power Supply Voltage |
Vcc |
3.13 |
3.3 |
3.47 |
V |
||
|
Power Supply Current |
Icc |
|
|
300 |
mA |
||
|
Data Rate |
|
|
1.25 |
|
Gbps |
||
|
Optical and Electrical Characteristics |
|||||||
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
|
|
Transmitter |
|||||||
|
Centre Wavelength |
λc |
1480 |
1550 |
1580 |
nm |
|
|
|
Spectral Width (-20dB) |
∆λ |
|
|
1 |
nm |
|
|
|
Side Mode Suppression Ratio |
SMSR |
30 |
|
|
dB |
|
|
|
Average Output Power |
Pout |
0 |
|
5 |
dBm |
1 |
|
|
Extinction Ratio |
ER |
9 |
|
|
dB |
|
|
|
Optical Rise/Fall Time (20%~80%) |
tr/tf |
|
|
0.26 |
ns |
|
|
|
Data Input Swing Differential |
VIN |
400 |
|
1800 |
mV |
2 |
|
|
Input Differential Impedance |
ZIN |
90 |
100 |
110 |
Ω |
|
|
|
TX Disable |
Disable |
|
2.0 |
|
Vcc |
V |
|
|
Enable |
|
0 |
|
0.8 |
V |
|
|
|
TX Fault |
Fault |
|
2.0 |
|
Vcc |
V |
|
|
Normal |
|
0 |
|
0.8 |
V |
|
|
|
Receiver |
|||||||
|
Centre Wavelength |
λc |
1260 |
|
1580 |
nm |
|
|
|
Receiver Sensitivity |
|
|
|
-23 |
dBm |
3 |
|
|
Receiver Overload |
|
-3 |
|
|
dBm |
3 |
|
|
LOS De-Assert |
LOSD |
|
|
-24 |
dBm |
|
|
|
LOS Assert |
LOSA |
-30 |
|
|
dBm |
|
|
|
LOS Hysteresis |
|
1 |
|
4 |
dB |
|
|
|
Data Output Swing Differential |
Vout |
370 |
|
1800 |
mV |
4 |
|
|
LOS |
High |
2.0 |
|
Vcc |
V |
|
|
|
Low |
|
|
0.8 |
V |
|
||
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