Overview
The SFP transceivers are high performance, cost effective modules supporting dual data-rate of 1.25Gbps and 550m transmission distance with MMF.
The transceiver consists of three sections: a VCSEL lasertransmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.
Features
Applications
- SDH and SONET system
- Fiber Channel
- Switch to Switch interface
- Switched backplane applications
- Router/Server interface
- Other optical transmission systems
Optical and Electrical Characteristics
Parameter | Symbol | Min | Typical | Max | Unit | Notes | ||
Transmitter | ||||||||
Centre Wavelength | 830 | 850 | 860 | nm |
| |||
SpectralWidth (RMS) |
|
| 0.85 | nm |
| |||
Average Output Power | Pout | -9.5 |
| -3 | 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 | O |
| ||
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 | 770 |
| 860 | nm |
| |||
ReceiverSensitivity |
|
|
| -18 | dBm | 3 | ||
ReceiverOverload |
| -3 |
|
| dBm | 3 | ||
LOS De-Assert | LOSD |
|
| -20 | dBm |
| ||
LOS Assert | LOSA | -30 |
|
| dBm |
| ||
LOS Hysteresis |
| 1 |
| 4 | dB |
| ||
Data Output Swing Differential | Vout | 700 |
| 900 | mV | 4 | ||
LOS | High | 2.0 |
| Vcc | V |
| ||
Low |
|
| 0.8 | V |
| |||
Notes:
1. The optical power is launched into MMF.
2. PECL input, internally AC-coupled and terminated.
3. Measured with a PRBS 27-1 test pattern @1250Mbps, BER =1x10-12.
4. Internally AC-coupled.
