Product Overview
The SPT-QD04G-SR8 is a QSFP-DD packaged 400G-SR8 optical transceiver module that supports a 400Gbps data transmission rate with a maximum transmission distance of 100m over OM4 fiber (with KP4 FEC). This module features an MPO-16APC connector and PAM4 modulation format, operates from a single +3.3V power supply with power dissipation below 10W, and is suitable for short-distance data center interconnects, 400G Ethernet, and other applications.
Product Features
- QSFP-DD package: Hot-pluggable QSFP-DD form factor
- 400Gbps data rate: Supports 400Gbps data transmission (26.5625GBd PAM4 per lane)
- 100m transmission distance: Maximum transmission distance of 100m over OM4 fiber (with KP4 FEC)
- MPO-16APC connector: Standard MPO-16APC fiber connector
- PAM4 modulation: Advanced Pulse Amplitude Modulation technology
- 850nm wavelength: Multi-mode fiber operating wavelength
- KP4 FEC: Supports KP4 Forward Error Correction
- Low power consumption: Power dissipation below 10W
- +3.3V single power supply: Simplified power supply design
- RoHS compliant: Compliant with RoHS environmental standards
Specifications
| Item | Specification |
|---|---|
| Product Model | SPT-QD04G-SR8 |
| Package Type | QSFP-DD |
| Data Rate | 400Gbps (26.5625GBd PAM4 per lane) |
| Transmission Distance | 100m (OM4 fiber, with KP4 FEC) |
| Fiber Type | Multi-mode fiber (OM4) |
| Interface Type | MPO-16APC |
| Modulation Format | PAM4 |
| Lane Wavelength Range | 840 ~ 860nm |
| Center Wavelength | 850nm |
| RMS Spectral Width | ≤0.6nm |
| Extinction Ratio | ≥3dB |
| Average Launch Power (per lane) | -6.5 ~ 4dBm |
| Outer Optical Modulation Amplitude (OMA, per lane) | -4.5 ~ 3dBm |
| Launch Power (OMA minus TDECQ, per lane) | ≥-5.9dBm |
| TDECQ (per lane) | ≤4.5dB |
| Average Launch Power OFF (per lane) | ≤-30dBm |
| Transmitter Transition Time | ≤34ps |
| Optical Return Loss Tolerance | ≤12dB |
| Average Receive Power (per lane) | -8.4 ~ 4dBm |
| Receive Power (OMA, per lane) | ≤3dBm |
| Receiver Sensitivity (OMA, per lane) | ≤-7.9dBm (SEC-Q) |
| LOS Assert | -30 ~ -10dBm |
| LOS De-Assert | ≤-9dBm |
| LOS Hysteresis | 0.5dB |
| Damage Threshold (per lane) | 5dBm |
| Differential Input Voltage (per lane) | 900mV |
| Differential Output Voltage | ≤900mV |
| Near-end Eye Symmetry Mask Width | ≤0.265UI |
| Near-end Eye Height Differential | ≥70mV |
| Far-end Eye Symmetry Mask Width | ≤0.2UI |
| Far-end Eye Height Differential | ≥30mV |
| Transition Time (20% ~ 80%) | ≥9.5ps |
| DC Common Mode Voltage | -350 ~ 2850mV |
| Operating Temperature | Commercial (0°C ~ 70°C) |
| Supply Voltage | 3.135 ~ 3.465V (Typ. 3.3V) |
| Power Dissipation | <10W |
Absolute Maximum Ratings
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | Vcc3 | -0.5 | - | +3.6 | V |
| Storage Temperature | Ts | -40 | - | +85 | °C |
| Operating Humidity | RH | +5 | - | +85 | % |
| Receiver Damage Threshold (per lane) | PRD | +5 | - | - | dBm |
Recommended Operating Conditions
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Case Temperature | TC | 0 | - | +70 | °C |
| Power Supply Voltage | Vcc | 3.135 | 3.3 | 3.465 | V |
Applications
- 400G Ethernet (100m OM4 fiber with FEC)
- Short-distance data center interconnects
- Cloud computing infrastructure
- High-performance computing networks
- 400G backbone networks
- Enterprise networks
Contact Information
Email: info@sopto.com.cn
Web: http://www.sopto.com.cn
Note: For customized solutions, please contact us.
