Ascent’s SFPP-AT-LP-XXXX-40 transceivers are designed expressly for high-speed communication applications that require rates up to 11.3 Gb/s. They are designed to be compliant with the SFF-8472 SFP+ MSA. The module is suitable for data links up to 40 km in distance over a 9/125 µm single mode fiber.
• Up to 11.3 Gbps Data Links
• Up to 40 km transmission on SMF
• Power dissipation < 1.0 W
• 1270 nm DFB laser and PIN receiver for SFPP-AT-LP-2733-40
• 1330nm DFB laser and PIN receiver for SFPP-AT-LP-3327-40
• 2-wire interface with integrated Digital Diagnostic monitoring
• EEPROM with serial ID functionality
• Compliant with SFP+ MSA with LC connector
• Single + 3.3V power supply
Absolute Maximum Ratings
Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
Storage Temperature | Ts | ‑40 | ‑ | 85 | °C | |
Relative Humidity | RH | 5 | ‑ | 95 | % | |
Power Supply Voltage | VCC | ‑0.3 | ‑ | 4.0 | V | |
Signal Input Voltage | Vcc ‑ 0.3 | ‑ | Vcc + 0.3 | V |
Recommended Operating Conditions
Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes | |
Case Operating Temperature | TCASE | 0 | ‑ | 70 | °C | Without air flow | |
TCASE | ‑40 | ‑ | 85 | °C | Industrial | ||
Power Supply Voltage | VCC | 3.14 | 3.3 | 3.47 | V | ||
Power Supply Current | ICC | ‑ | ‑ | 300 | mA | ||
Data Rate | BR | ‑ | 10.3125 | 11.3 | Gbps | ||
Transmission Distance | TD | ‑ | ‑ | 40 | km | ||
Coupled Fiber | Single‑mode fiber | 9/125 µm SMF |
Optical Characteristics
Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
Transmitter | ||||||
Average Optical Power | POUT | 0 | ‑ | 5 | dBm | |
Average Optical Power (Laser Off) | POFF | ‑ | ‑ | ‑30 | dBm | 1 |
Center Wavelength Range | λC | 1260 | 1270 | 1280 | nm | SFPP‑AT‑LP‑2733‑40 |
λC | 1320 | 1330 | 1340 | nm | SFPP‑AT‑LP‑3327‑40 | |
Side Mode Suppression Ratio | SMSR | 30 | ‑ | ‑ | dB | |
Spectrum Bandwidth (‑20 dB) | σ | ‑ | ‑ | 1 | nm | |
Optical Extinction Ratio | ER | 3.5 | ‑ | ‑ | dB | 2 |
Output Eye Mask | Compliant with IEEE 802.3ae | 2 | ||||
Receiver | ||||||
Input Optical Wavelength | λIN | 1320 | 1330 | 1340 | nm | SFPP‑AT‑LP‑2733‑40 |
λIN | 1260 | 1270 | 1280 | nm | SFPP‑AT‑LP‑3327‑40 | |
Receiver Sensitivity | PSEN | ‑ | ‑ | ‑15 | dBm | 3 |
Input Saturation Power (Overload) | PSAT | 0.5 | ‑ | ‑ | dBm | 3 |
LOS Assert | LOSA | ‑30 | ‑ | ‑ | dBm | |
LOS De‑assert | LOSD | ‑ | ‑ | ‑17 | dBm | |
LOS Detect Hysteresis | PHYS | 0.5 | ‑ | 5 | dB |
Notes:
1. The optical power is launched into an SMF
2. Measured with RPBS 2^31‑1 test pattern @10.3125Gbs
3. Measured with RPBS 2^31‑1 test pattern @10.3125Gbs BER ≤ 10^‑12
Electrical Characteristics
Parameter | Symbol | Min | Typ. | Max | Unit | Notes |
Total Power Supply Current | ICC | mA | ||||
Transmitter | ||||||
Differential Data Input Voltage | VDT | 180 | ‑ | 700 | mVp‑p | |
Differential Line Input Impedance | RIN | 85 | 100 | 115 | Ω | |
Transmitter Fault Output‑High | VFAULTH | 2.4 | ‑ | VCC | V | |
Transmitter Fault Output‑Low | VFAULTL | ‑0.3 | ‑ | 0.8 | V | |
Transmitter Disable Voltage‑ High | VDISH | 2 | ‑ | VCC+0.3 | V | |
Receiver | ||||||
Differential Data Output Voltage | VDR | 300 | ‑ | 850 | mVp‑p | |
Differential line Output Impedance | ROUT | 80 | 100 | 120 | Ω | |
Receiver LOS Pull Up Resistor | RLOS | 4.7 | ‑ | 10 | kΩ | |
Data Output Rise/Fall Time | tr/tf | ‑ | ‑ | 38 | ps | |
LOS Fault | VLOSFAULT | VCC‑1.3 | ‑ | VCCHOST | V | |
LOS Normal | VLOSNORM | Vee | ‑ | Vee+0.8 | V |
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