Alpha Bridge AQSFP-40G-LR4
Features
- Compliant with 40G Ethernet 3ba and 40GBASE-LR4 Standard
- QSFP+ MSA compliant
- Compliant with QDR/DDR Infiniband data rates
- Up to 2Gb/s data rate per wavelength
- 4 CWDM lanes MUX/DEMUX design
- Up to 10km transmission on single mode fiber (SMF)
- Commercial case temperature: 0°C to 70°C
- Maximum power consumption 5W
- LC duplex connector
- RoHS compliant
Applications
- 40GBASE-LR4 Ethernet Links
- Infiniband QDR and DDR interconnects
- Client-side 40G Telecom connections
Absolute Maximum Ratings
| Parameter | Symbol | Min. | Max. | Units | Note |
| Storage Ambient Temperature | TSTG | -40 | 85 | °C | |
| Operating Case Temperature | TOP | 0 | 70 | °C | |
| Power Supply Voltage | Vcc | -0.5 | 3.6 | V | |
| Relative Humidity (non-condensation) | RH | 0 | 85 | % | |
| Damaged Threshold , each Lane | THd | 3.3 | dBm |
Recommended Operating Conditions
| Parameter | Symbol | Min | Typ. | Max | Unit |
| Operating Case Temperature | TOP | 0 | 70 | °C | |
| Power Supply Voltage | Vcc | 3.135 | 3.3 | 3.465 | V |
| Data Rate, each Lane | 10.3125 | 11.2 | Gb/s | ||
| Control Input Voltage High | 2 | Vcc | V | ||
| Control Input Voltage Low | 0 | 0.8 | V | ||
| Link Distance with G.652 | D | 10 | km |
Diagnostics Monitoring
| Parameter | Symbol | Accuracy | Units | Notes |
| Temperature monitor absolute error | DMI_Temp | ±3 | ℃ | Over operating temperature range |
| Supply voltage monitor absolute error | DMI _VCC | ±0.1 | V | Over full operating range |
| Channel RX power monitor absolute error | DMI_RX_Ch | ±2 | dB | 1 |
| Channel Bias current monitor | DMI_Ibias_Ch | ±10% | mA | |
| Channel TX power monitor absolute error | DMI_TX_Ch | ±2 | dB | 1 |
Optical Characteristics
| Parameter | Symbol | Min | Type | Max | Unit | Notes |
| Wavelength Assignment | L0 | 1264.5 | 1271 | 1277.5 | nm | |
| L1 | 1284.5 | 1291 | 1297.5 | nm | ||
| L2 | 1304.5 | 1311 | 1317.5 | nm | ||
| L3 | 1324.5 | 1331 | 1337.5 | nm | ||
| Transmitter | ||||||
| Side Mode Suppression Ratio | SMSR | 30 | dB | |||
| Total Average Launch Power | PT | 8.3 | dBm | |||
| Average Launch Power, each lane | PAVG | -7 | 2.3 | dBm | ||
| Optical Modulation Amplitude (OMA) each | POMA | -4 | 3.5 | dBm | 1 | |
| Difference in Launch Power between any | Ptx,diff | 6.5 | dB | |||
| Two Lanes (OMA) Launch Power in OMA minus Transmitter and Dispersion Penalty (TDP) each lane | -4.8 | dBm | ||||
| TDP, each lane | TDP | 2.6 | dB | |||
| Extinction Ratio | ER | 3.5 | dB | |||
| Relative Intensity Noise | RIN | -128 | dB/Hz | 12dB reflection | ||
| Optical Return Loss Tolerance | TOL | 20 | dB | |||
| Transmitter Reflectance | RT | -12 | dB | |||
| Transmitter Eye Mask Definition (X1, X2, X3, Y1, Y2, Y3) | {0.25,0.4,0.45,0.25,0.28,0.4} | |||||
| Average Launch Power OFF Transmitter each lane | Poff | -30 | dBm | |||
| Receiver | ||||||
| Damage Threshold, each lane | THd | 3.3 | dBm | 2 | ||
| Total Average Receive Power | 8.3 | dBm | ||||
| Average Receive Power, each lane | -13.7 | 2.3 | dBm | |||
| Receiver Reflectance | RR | -26 | dB | |||
| Receiver Power (OMA) each lane | 3.5 | dBm | ||||
| Receiver Sensitivity (OMA) each lane | SEN | -11.5 | dBm | |||
| Stressed Receiver Sensitivity (OMA) each lane | -9.6 | dBm | 3 | |||
| Difference in Receiver Power between any | ||||||
| Two Lanes (OMA) | Prx,diff | 7.5 | dB | |||
| LOS Assert | LOSA | -28 | dBm | |||
| LOS Deassert | LOSD | -15 | dBm | |||
| LOS Hysteresis | LOSH | 0.5 | dB | |||
| Receiver Electrical 3 dB upper Cutoff | ||||||
| Frequency each lane | Fc | 12.3 | GHz | |||
| Frequency each lane | Fc | 12.3 | GHz | |||
Electronical Characteristics
| Parameter | Symbol | Min. | Typ. | Max. | Units | Note |
| Power Consumption | 3.5 | W | ||||
| Supply Current | Icc | 1.1 | A | |||
| Transceiver Power-on Initialization Time | 2000 | ms | 1 | |||
| Transmitter (each lane) | ||||||
| Single-ended Input Voltage Tolerance (Note 2) | -0.3 | 4 | V | Referred to TP1 signal common | ||
| AC Common Mode Input Voltage Tolerance | 15 | mV | RMS | |||
| Differential Input Voltage Swing Threshold | mVpp | LOSA Threshold | ||||
| Differential Input Voltage Swing | Vin,pp | mVpp | ||||
| Differential Input Impedance | Zin | 90 | 100 | 110 | Ohm | |
| Differential Input Return Loss | See IEEE 802.3ba 86A.4.11 | dB | 10MHz-11.1GHz | |||
| J2 Jitter Tolerance | Jt2 | 0.17 | UI | |||
| J9 Jitter Tolerance | Jt9 | 0.29 | UI | |||
| Data Dependent Pulse Width | ||||||
| Shrinkage (DDPWS) Tolerance | 0.07 | UI | ||||
| Eye Mask Coordinates (X1, X2, Y1, Y2) | 0.11, 0.31, 95, 350 | |||||
| Receiver (each Lane) | ||||||
| Single-ended Output Voltage | -0.3 | V | Referred to signal common | |||
| AC Common Mode Output Voltage | mV | RMS | ||||
| Differential Output Impedance | Zout | 90 | 100 | Ohm | ||
| Termination Mismatch at 1MHz | % | |||||
| Differential Output Return Loss | See IEEE 802.3ba 86A.4.2.1 | dB | ||||
| Common Mode Output Return Loss | See IEEE 802.3ba 86A.4.2.2 | dB | ||||
| Output Transition Time | 28 | ps | 20% to 80% | |||
| J2 Jitter Output | Jo2 | UI | ||||
| J9 Jitter Output | Jo9 | UI | ||||
| Eye Mask Coordinates {X1, X2 Y1, Y2} | 0.29, 0.5, 150, 425 | UI mV | Hit Ration=5x10-5 | |||
Pin Assignment
| PIN | Logic | Symbol | Description | Note |
| 1 | GND | Ground | 1 | |
| 2 | CML-I | Tx2n | Transmitter Inverted Data Input | |
| 3 | CML-I | Tx2p | Transmitter Non-Inverted Data output | |
| 4 | GND | Ground | 1 | |
| 5 | CML-I | Tx4n | Transmitter inverted Data Input | |
| 6 | CML-I | Tx4p | Transmitter Non-Inverted Data output | |
| 7 | GND | Ground | 1 | |
| 8 | LVTLL-I | ModSeIL | Module Select | |
| 9 | LVTLL-I | ResetL | Module Reset | |
| 10 | VccRx | +3.3V Power Supply Receiver | 2 | |
| 11 | LVCMOS-I/O | SCL | 2-Wire Serial Interface Clock | |
| 12 | LVCMOS-I/O | SDA | 2-Wire Serial Interface Data | |
| 13 | GNC | Ground | ||
| 14 | CML-O | Rx3p | Receiver Non-Inverted Data output | |
| 15 | CML-O | Rx3n | Receiver Inverted Data output | |
| 16 | GND | Ground | 1 | |
| 17 | CML-O | Rx1p | Receiver Non-Inverted Data Output | |
| 18 | CML-O | Rx1n | Receiver Inverted Data Output | |
| 19 | GND | Ground | 1 | |
| 20 | GND | Ground | 1 | |
| 21 | CML-O | Rx2n | Receiver Inverted Data output | |
| 22 | CML-O | Rx2p | Receiver Non-Inverted Data output | |
| 23 | GND | Ground | 1 | |
| 24 | CML-O | Rx4n | Receiver Inverted Data output | 1 |
| 25 | CML-O | Rx4p | Receiver Non-Inverted Data output | |
| 26 | GND | Ground | 1 | |
| 27 | LVTTL-O | ModPrsL | Module Present | |
| 28 | LVTTL-O | IntL | Interrupt | |
| 29 | VccTx | +3.3V Power Supply transmitter | 2 | |
| 30 | Vcc1 | +3.3V Power Supply | 2 | |
| 31 | LVTTL-I | LPMode | Low Power Mode | |
| 32 | GND | Ground | 1 | |
| 33 | CML-I | Tx3p | Transmitter Non-Inverted Data Input | |
| 34 | CML-I | Tx3n | Transmitter Inverted Data Output | |
| 35 | GND | Ground | 1 | |
| 36 | CML-I | Tx1p | Transmitter Non-Inverted Data Input | |
| 37 | CML-I | Tx1n | Transmitter Inverted Data Output | |
| 38 | GND | Ground | 1 |
Ordering Information
| Model Number | Part Number | Voltage | Temperature |
| AQSFP-40G-LR4 | OPCS-S10-13-CB | 3.3V | 0°C to 70 °C |

