Ascent’s SFPP-A8LP-85-015 transceivers are designed expressly for high-speed communication applications that require rates up to 8.5 Gb/s. They are designed to be compliant with the SFF-8472 SFP+ MSA. The module is suitable for data links up to 300 m in distance over multi-mode fiber.
• Up to 8.5 Gb/s Data Links
• Up to 300 m transmission on MMF
• Power dissipation < 1.0 W
• VSCEL laser and PIN receiver
• Metal enclosure, for lower EMI
• 2-wire interface with integrated Digital Diagnostic monitoring
• Hot-pluggable SFP+ footprint
• Compliant with SFF8472
• Compliant with SFP+ MSA with LC connector
• Compliant with Fiber Channel FC-PI-4 800-SM-LC-L
• Compliant with 8G, 4G, and 2G Fiber Channel
• RoHS compliant
• 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 | V | |
Signal Input Voltage | VCC ‑ 0.3 | ‑ | VCC + .3 | V |
Recommended Operating Conditions
Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
Case Operating Temperature | TCASE | 0 | ‑ | 70 | °C | Commercial |
TCASE | ‑40 | ‑ | 85 | °C | Industrial | |
Power Supply Voltage | VCC | 3.14 | 3.3 | 3.47 | V | |
Power Supply Current | ICC | ‑ | ‑ | 360 | mA | |
Data Rate | BR | ‑ | 8.5 | ‑ | Gbps | |
Transmission Distance | TD | ‑ | ‑ | 300 | km | |
Coupled Fiber | Multi‑mode fiber | 50/125 µm SMF |
Optical Characteristics
Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
Transmitter | ||||||
Optical Output Power | POUT | ‑6 | ‑ | ‑1 | dBm | 1 |
Optical Wavelength Range | λ | 840 | 850 | 860 | nm | |
Optical Extinction Ratio | ER | dB | ||||
RIN | RIN | ‑128 | dB/Hz | |||
Output Eye Mask | Compliant with FC‑PI‑4 | |||||
Receiver | ||||||
Receiver Sensitivity | RSEN | ‑ | ‑ | ‑10 | dBm | 2 |
Input Saturation Power (Overload) | PSAT | 0.5 | ‑ | ‑ | dBm | |
Wavelength Range | λC | 770 | 850 | 860 | ||
LOS Assert | LOSA | ‑ | ‑ | ‑14 | dBm | |
LOS De‑assert | LOSD | ‑30 | ‑ | ‑ | dBm | |
LOS Detect Hysteresis | PHYS | 0.5 | ‑ | ‑ | dB |
Notes:
1. T Class 1 Laser Safety per FDA/CDRH and IEC‑825‑1 regulations.
2. Measured with a PRBS 231‑1 test pattern @8.5 Gb/s, BER<10‑12.
Electrical Characteristics
Parameter | Symbol | Min | Typ. | Max | Unit | Notes |
Supply Voltage | VCC | 3.14 | 3.3 | 3.146 | V | |
Supply Current | ICC | ‑ | ‑ | 300 | mA | |
Transmitter | ||||||
Input Differential Impedance | RIN | ‑ | 100 | ‑ | Ω | 1 |
Single‑Ended Data Input Swing | VIN,PP | 180 | ‑ | 700 | mV | |
Transmit Disable Voltage | VD | VCC ‑ 1.3 | ‑ | VCC | V | |
Transmit Enable Voltage | VEN | VEE | ‑ | VEE + 0.8 | V | 2 |
Transmit Disable Assert Time | ‑ | ‑ | 10 | µs | ||
Receiver | ||||||
Differential Data Output Swing | VOUT,PP | 300 | ‑ | 850 | mVp‑p | 3 |
Data Output Rise/Fall Time | tr/tf | 28 | ‑ | ‑ | ps | 4 |
LOS Fault | VLOSFAULT | VCC ‑ 1.3 | ‑ | VCCHOST | V | 5 |
LOS Normal | VLOSNORM | VEE | ‑ | VEE + 0.8 | V | 5 |
1. Connected directly to TX data input pins. AC coupled thereafter.
2. Or open circuit.
3. Into 100 ohms differential termination.
4. These are unfiltered 20‑80% values
5. Loss Of Signal is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected.
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10G SFP+ LR 1310 nm 20 km
10G SFP+ LR 1310 nm 10 km
10G SFP+ LRM 1310 nm 2 km
10G SFP+ ER 1550 nm 40 km
10G SFP+ CDR 1550 nm 100 km
10G SFP+ ZR 1550 nm 80 km
10G SFP+ 850 nm 300 m
10G SFP+ Tunable DWDM 80 km
10G SFP+ DWDM 80 km
10G SFP+ DWDM 40 km
10G SFP+ CWDM 80 km
10G SFP+ CWDM 2733 60 km
10G SFP+ CWDM 40 km
10G SFP+ CWDM 10 km
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10G SFP+ CWDM 2733 10 km
10G XFP LR 1310 nm 20 km
10G XFP LR 1310 nm 10 km
10G XFP ER 1550 nm 40 km
10G XFP ZR 1550 nm 80 km
10G XFP CWDM 2633 60 km
10GBASE-T SFP+ Copper RJ45 30 m
10G SFP+ CWDM 1610 80 km
10GB SFP+ Copper RJ45 30 m
16G SFP+ FC 850 nm 100 m
6.25G SFP+ LRM 1330 nm 2 km
6.25G SFP+ SR 850 nm 300 m