Wuhan Spring Technology Co., Ltd
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Alcate Compatible 1.25G T1490/R1550nm 100km BIDI SFP Optical Transceiver Module
Ordering information
| Part Number | Product Description |
| S-SB1G45LA0-CD | BIDI SFP, 1.25Gbps, Tx1490/Rx1550nm, SM, 100km, 0ºC~+70ºC, With DDM |
| S-SB1G45LA0-ID | BIDI SFP, 1.25Gbps, Tx1490/Rx1550nm, SM, 100km, -40ºC~+85ºC, With DDM |
Description
Springtek BIDI SFP transceivers are high performance, cost effective module supporting 1.25Gbps and 100km transmission distance with SMF(9/125μm).
The transceiver consists of two sections: a 1490nm LD laser transmitter, a PIN photodiode integrated with a trans-impedance amplifier (TIA). Springtek BIDI SFP transceiver satisfies class I laser safety requirements.
The transceiver is compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to SFP MSA.
Features
1490nm LD and PIN photodetector for 100km trans-mission
Compatible with SONET OC-24
Operating case temperature:
Commercial:0 to +70°C
Industrial:-40 to +85°C
Applications
Switched backplane applications
Router/Server interface
Other optical transmission systems
Absolute Maximum Ratings
| Parameter | Symbol | Min | Typ | Max | Unit |
| Power Supply Voltage | VCC | -0.5 | - | 4 | V |
| Storage Temperature Range | TS | -40 | - | 85 | °C |
| Relative Humidity - Storage | RHS | 0 | - | 95 | % |
| Relative Humidity - Operating | RHO | 0 | - | 85 | % |
Recommended Operating Conditions
| Parameter | Symbol | Min | Typ | Max | Unit |
| Case Operating Temperature Range | Tc | 0 | - | 70 | °C |
| -40 | - | 85 | |||
| Power Supply Voltage | Vcc | 3.14 | 3.3 | 3.47 | V |
| Supply Current | Icc | - | - | 300 | mA |
| Data Rate | BR | - | 1.25 | - | Gbps |
Electrical Characteristics
| Transmitter Electrical Characteristics | ||||||
| Parameter | Symbol | Min | Typ | Max | Unit | |
| Differential Input Voltage Swing | VIN | 400 | - | 2000 | mV | |
| Tx Differential Input Impendence | ZIN | - | 100 | - | Ω | |
| Transmitter Disable Voltage | VDIS | 2.0 | - | VCC+0.3 | V | |
| Transmitter Enable Voltage | VEN | 0 | - | 0.8 | V | |
| TFAULT Logic High | VTFH | 2.4 | - | VCC | V | |
| TFAULT Logic Low | VTFL | VEE | - | VEE+0.4 | V | |
| Receiver Electrical Characteristics | ||||||
| Parameter | Symbol | Min | Typ | Max | Unit | |
| Differential output Voltage Swing | VOUT | 400 | - | 1000 | mV | |
| Rx Differential Output Impendence | ZOUT | - | 100 | - | Ω | |
| LOS Assert Voltage | VLOSA | 2.4 | - | VCC | V | |
| LOS De-assert Voltage | VLOSD | VEE | - | VEE+0.4 | V | |
Optical Characteristics
| Transmitter Characteristics | ||||||
| Parameter | Symbol | Min | Typ | Max | Unit | Notes |
| Laser Type | LD | |||||
| Data Rate | - | - | 1.25 | - | Gb/s | |
| Center Wavelength Range | λ | 1470 | 1490 | 1510 | nm | |
| Spectral Width@-20dB | Δλ | - | - | 1 | nm | |
| Average Launch power of OFF transmitter | POFF | - | - | -40 | dBm | |
| Launch Optical Power | Pout | -1 | - | 4 | dBm | 1 |
| Extinction Ratio | ER | 9 | - | - | dB | |
| Eye Diagram | Complies with IEEE802.3z eye masks when filtered | |||||
| Receiver Characteristics | ||||||
| Receiver Type | PIN | |||||
| Data Rate | - | - | 1.25 | - | Gb/s | |
| Operating Central Wavelength | λ | 1500 | 1550 | 1580 | nm | |
| Receiver Sensitivity | Sen | - | - | -28 | dBm | 2 |
| Receiver Overload | PSAT | -3 | - | - | dBm | |
| LOS Assert | LOSA | -45 | - | - | dBm | |
| LOS De-Assert | LOSD | - | - | -28 | dBm | |
| LOS Hysteresis | LOSH | 0.5 | 3 | 5 | dB | |
| Notes | ||||||
| 1. Average power figures are informative only, per IEEE802.3z 2. Measured with 27-1 PRBS@1.25Gbps,BER<10-12 | ||||||