Short Description
1.25Gbps SFP Transceiver, Multi Mode, 500M Reach, SFP-SX
Application:
The SFP transceivers are high performance, cost effective modules supporting data rate of 1.25Gbps and 500m transmission distance with MMF. The transceiver consists of three sections: a VCSEL laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements. The transceivers are compatible with SFP Multi-Source Agreement and SFF-8472 digital diagnostics functions
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 |
| +80 | °C | ||
Industrial | -40 |
| +85 | °C | ||
Power Supply Voltage | Vcc | 3.135 | 3.30 | 3.465 | V | |
Power Supply Current | Icc |
|
| 300 | mA | |
Data Rate |
| 0.1 | 1.25 |
| Gbps |
Optical and Electrical Characteristics
Parameter | Symbol | Min | Typical | Max | Unit | Notes | ||
Transmitter | ||||||||
Center Wavelength | λc | 830 | 850 | 860 | nm |
| ||
Spectral Width(RMS) | Δλ |
|
| 0.85 | nm |
| ||
Side-Mode Suppression Ratio | SMSR | - | - | - | dB |
| ||
Average Output Power | Pout | -9.5 |
| -3 | dBm | 1 | ||
Extinction Ratio | ER | 9.0 |
|
| dB |
| ||
Data Input Swing Differential | VIN | 180 |
| 1200 | 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 | 830 |
| 860 | nm |
| ||
Receiver Sensitivity |
|
|
| -18 | dBm | 3 | ||
Receiver Overload |
| -3 |
|
| dBm | 3 | ||
LOS De-Assert | LOSD |
|
| -20 | dBm |
| ||
LOS Assert | LOSA | -38 |
|
| dBm |
| ||
LOS Hysteresis |
| 0.5 |
| 4 | dB |
| ||
Data Output Swing Differential | Vout | 600 | 800 | 1000 | mV | 4 | ||
LOS | High | 2.0 |
| Vcc | V |
| ||
Low |
|
| 0.8 | V |
|
Standard: 0 to +70°C Extended: -20 to +80°C Industrial: -40 to +85°C