1.25 Gb/s Multi-mode SFP Transceiver
Specifications
1.Hot-pluggable SFP footprint2.850nm VCSEL laser transmitter
3.Single +3.3V power supply
4.850nm VCSEL laser transmitter
1.25 Gb/s Multi-mode SFP Transceiver
Description :
Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). They simultaneously comply with 1.25Gb/s 1000Base-SX Ethernet and1.063Gb/s Fiber Channel. They are RoHS compliant and lead-free.
Product feature :
l Hot-pluggable SFP footprint
l 850nm VCSEL laser transmitter
l RoHS compliant and Lead Free
l Up to 550m on 50/125µm MMF,
500m on 62.5/125µm MMF
l Metal enclosure for lower EMI
l Single +3.3V power supply
l Low power dissipation <600mW
l Commercial operating temperature range:0°C to +70°C
III. Electrical Characteristics (TOP=25°C, Vcc=3.3Volts) | |||||||
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
Ref. |
|
Supply Voltage |
Vcc |
3.00 |
3.60 |
V |
|||
Supply Current |
Icc |
180 |
300 |
mA |
|||
Transmitter |
|||||||
Input differential impedance |
Rin |
100 |
Ω |
2 |
|||
Single ended data input swing |
Vin, pp |
250 |
1200 |
mV |
|||
Transmit Disable Voltage |
VD |
Vcc – 1.3 |
Vcc |
V |
|||
Transmit Enable Voltage |
VEN |
Vee |
Vee+ 0.8 |
V |
|||
Transmit Disable Assert Time |
10 |
us |
|||||
Receiver |
|||||||
Single ended data output swing |
Vout, pp |
250 |
800 |
mV |
3 |
||
Data output rise time |
tr |
175 |
ps |
4 |
|||
Data output fall time |
tf |
175 |
ps |
4 |
|||
LOS Fault |
VLOS fault |
Vcc – 0.5 |
VccHOST |
V |
5 |
||
LOS Normal |
VLOS norm |
Vee |
Vee+0.5 |
V |
5 |
||
Deterministic Jitter Contribution |
RXΔDJ |
80 |
ps |
6 |
|||
Total Jitter Contribution |
RXΔTJ |
122.4 |
ps |
||||
IV. Optical Characteristics (TOP=25°C, Vcc=3.3 Volts) | |||||||
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
Ref. |
|
Transmitter |
|||||||
Output Opt. Power |
PO |
-9 |
- |
-3 |
dBm |
1 |
|
Optical Wavelength |
λ |
830 |
850 |
860 |
nm |
||
Spectral Width |
σ |
- |
- |
0.85 |
nm |
||
Side Mode Suppression Ratio |
SMSR |
30 |
- |
- |
dB |
||
Optical Rise/Fall Time |
tr/tf |
- |
- |
175 |
ps |
2 |
|
Deterministic Jitter Contribution |
TXΔDJ |
- |
- |
0.07 |
UI |
3 |
|
Total Jitter Contribution |
TXΔTJ |
- |
- |
0.007 |
UI |
||
Optical Extinction Ratio |
ER |
9 |
10 |
- |
dB |
||
Receiver |
|||||||
Average Rx Sensitivity |
RSENS |
- |
- |
-20 |
dBm |
4 |
|
Maximum Received Power |
RXMAX |
-2 |
- |
- |
dBm |
||
Optical Center Wavelength |
λC |
770 |
850 |
860 |
nm |
||
LOS De-Assert |
LOSD |
- |
- |
-24 |
dBm |
||
LOS Assert |
LOSA |
-35 |
- |
- |
dBm |
||
LOS Hysteresis |
0.5 |
- |
- |
dB |
|||
Notes:
1. Class 1 Laser Safety.
2. Unfiltered, 20-80%.
3. Measured with DJ-free data input signal .In actual application, output DJ will be the sum of input DJ and ΔDJ.
4. Measured with PRBS 27-1 at 10-12 BER .

Certificates
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