ASCENT SFPP-AT-LP-31-10 transceivers support the 2-wire serial communication protocol as defined in the SFP+ MSA.
• Up to 11.1 Gbps Data Links
• Up to 10 km transmission on SMF
• DFB Laser and PIN receiver
• Metal enclosure, for lower EMI
• 2-wire interface with integrated Digital Diagnostic monitoring
• Hot-pluggable SFP+ footprint
• Specifications compliant with SFF 8472
• Compliant with SFP+ MSA with LC connector
• Single 3.3 V power supply
• Case operating temperature range:0°C to 70°C
• Power dissipation < 1.5 W
• 10GBASE-LR/LW & 10G Ethernet
• Compliant to SFF-8431
• Compliant to SFF 8472
• RoHS compliant
Absolute Maximum Ratings
Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
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+0.3 | V |
Recommended Operating Conditions
Parameter | Symbol | Min. | Typ. | Max. | Unit | Note | ||
Case Operating Temperature | Tcase | 0 | ‑ | 70 | °C | Without air flow | ||
Power Supply Voltage | VCC | 3.14 | 3.3 | 3.47 | V | |||
Power Supply Current | ICC | ‑ | 450 | mA | ||||
Data Rate | BR | 10.3125 | Gbps | |||||
Transmission Distance | TD | ‑ | 10 | km | ||||
Coupled Fiber | Single‑mode fiber | 9/125 µm SMF | ||||||
Optical Characteristics
Parameter | Symbol | Min | Typ | Max | Unit | Note |
Transmitter | ||||||
Output Opt. Power | POUT | ‑6 | ‑0.5 | dBm | 1 | |
Optical Wavelength | λ | 1260 | 1310 | 1355 | nm | |
Spectral Width (‑20dB) | σ | 1 | nm | |||
Optical Extinction Ratio | ER | 3.5 | dB | |||
Output Eye Mask | Compliant with IEEE 802.3ae | |||||
Receiver | ||||||
Rx Sensitivity | RSENS | ‑14.4 | dBm | 2 | ||
Input Saturation Power (Overload) | Psat | 0.5 | dBm | |||
Wavelength Range | λC | 1270 | 1610 | nm | ||
LOS De‑Assert | LOSD | ‑17 | dBm | |||
LOS Assert | LOSA | ‑30 | dBm | |||
LOS Hysteresis | 0.5 | 1.0 | dB |
Notes:
1. Class 1 Laser Safety per FDA/CDRH and IEC‑825‑1 regulations.
2. Measured with a PRBS 231‑1 test pattern, @ 10.325 Gb/s, BER<10‑12.
Electrical Characteristics
Parameter | Symbol | Min | Typ | Max | Unit | Note |
Supply Voltage | Vcc | 3.14 | 3.3 | 3.46 | V | |
Supply Current | Icc | 450 | 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 | us | ||||
Receiver | ||||||
Differential Data Output Swing | Vout,pp | 300 | 850 | mV | 3 | |
Data Output Rise Time | tr | 28 | ps | 4 | ||
Data Output Fall Time | tf | 28 | ps | 4 | ||
LOS Fault | VLOS fault | Vcc–1.3 | VccHOST | V | 5 | |
LOS Normal | VLOS norm | Vee | Vee+0.8 | V | 5 | |
Power Supply Rejection | PSR | 100 | mVpp | 6 |
Notes:
1. Connected directly to TX data input pins. AC coupled thereafter.
2. Or open circuit.
3. Into 100 Ωs differential termination.
4. 20 to 80 %.
5. Loss Of Signal is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected.
6. Receiver sensitivity is compliant with power supply sinusoidal modulation of 20 Hz to 1.5 MHz up to specified value applied through the recommended power supply filtering network.
Regulatory Compliance
Feature | Reference | Performance |
Electrostatic discharge(ESD) | IEC/EN 61000‑4‑2 | Compatible with standards |
Electromagnetic Interference (EMI) | FCC Part 15 Class B EN 55022 Class B (CISPR 22A) | Compatible with standards |
Laser Eye Safety | FDA 21CFR 1040.10, 1040.11 IEC/EN 60825‑1, 2 | Class 1 laser product |
Component Recognition | IEC/EN 60950, UL | Compatible with standards |
ROHS | 2002/95/EC | Compatible with standards |
EMC | EN61000‑3 | Compatible with standards |
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