Alpha Bridge AB-QSFP 28-60 Datasheet
Features
- Compliant with 100GBASE-ZR4
- Support line rates from 125 Gb/s to 111.81 Gb/s OTU4
- LAN WDM EML laser and PIN receiver with SOA
- Up to 60km reach for 652 SMF
- Hot pluggable 38 pin electrical interface
- QSFP28 MSA compliant
- Duplex LC optical receptacle
- RoHS-10 compliant and lead-free
- Single +3.3V power supply
- Maximum power consumption 5W
- Case operating temperature:
- Commercial: 0 ~ +70℃ Extended-10 ~ +80℃ Industrial: -40 ~ +85℃
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit | Notes |
| Storage Temperature | TS | -40 | 85 | ℃ | |
| Power Supply Voltage | VCC | -0.3 | 4 | V | |
| Relative Humidity (non-condensation) | RH | 15 | 85 | % | |
| Damage Threshold | THd | 6.5 | dBm |
Recommended Operating Conditions
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
| Operating Case Temperature | TOP | 0 | 70 | ℃ | commercial | |
| -10 | 80 | extended | ||||
| -40 | 85 | Industrial | ||||
| Power Supply Voltage | VCC | 3.135 | 3.3 | 3.465 | V | |
| Data Rate, each Lane | 25.78125 | Gb/s | ||||
| Control Input Voltage High | 2 | Vcc | V | |||
| Control Input Voltage Low | 0 | 0.8 | V | |||
| Link Distance (SMF) | D | 80 | km | 1 |
Pin Descriptions
| Pin | Symbol | Name/Description | Notes |
| 1 | GND | Transmitter Ground (Common with Receiver Ground) | 1 |
| 2 | Tx2n | Transmitter Inverted Data Input | |
| 3 | Tx2p | Transmitter Non-Inverted Data output | |
| 4 | GND | Transmitter Ground (Common with Receiver Ground) | 1 |
| 5 | Tx4n | Transmitter Inverted Data Input | |
| 6 | Tx4p | Transmitter Non-Inverted Data output | |
| 7 | GND | Transmitter Ground (Common with Receiver Ground) | 1 |
| 8 | ModSelL | Module Select | |
| 9 | ResetL | Module Reset | |
| 10 | VccRx | 3.3V Power Supply Receiver | 2 |
| 11 | SCL | 2-Wire serial Interface Clock | |
| 12 | SDA | 2-Wire serial Interface Data | |
| 13 | GND | Transmitter Ground (Common with Receiver Ground) | |
| 14 | Rx3p | Receiver Non-Inverted Data Output | |
| 15 | Rx3n | Receiver Inverted Data Output | |
| 16 | GND | Transmitter Ground (Common with Receiver Ground) | 1 |
| 17 | Rx1p | Receiver Non-Inverted Data Output | |
| 18 | Rx1n | Receiver Inverted Data Output | |
| 19 | GND | Transmitter Ground (Common with Receiver Ground) | 1 |
| 20 | GND | Transmitter Ground (Common with Receiver Ground) | 1 |
| 21 | Rx2n | Receiver Inverted Data Output | |
| 22 | Rx2p | Receiver Non-Inverted Data Output | |
| 23 | GND | Transmitter Ground (Common with Receiver Ground) | 1 |
| 24 | Rx4n | Receiver Inverted Data Output | 1 |
| 25 | Rx4p | Receiver Non-Inverted Data Output | |
| 26 | GND | Transmitter Ground (Common with Receiver Ground) | 1 |
| 27 | ModPrsl | Module Present |
Electrical Characteristics
| Common Mode conversion (SDC11, SCD11) | -VSR Equation 13-20 | |||||
| Stressed Input Test | TP1a | |||||
| Receiver | ||||||
| Differential Voltage, pk-pk | TP4 | 900 | mV | |||
| Common Mode Voltage (Vcm) | TP4 | -350 | 2850 | mV | 1 | |
| Common Mode Noise, RMS | TP4 | 10 | % | At 1MHz | ||
| Differential Return Loss (SDD22) | TP4 | See CEI-28G-VSR Equation 13-19 | dB | |||
| Common Mode to Differential conversion and Differential to Common Mode conversion (SDC22, SCD22) | TP4 | See CEI-28G-VSR Equation 13-21 | dB | |||
| Common Mode Return Loss (SCC22) | TP4 | -2 | dB | 2 | ||
| Transition Time, 20 to 80% | TP4 | 9.5 | ps | |||
| Vertical Eye Closure (VEC) | TP4 | 5.5 | dB | |||
| Eye Width at 10-15 probability (EW15) | TP4 | 0.57 | UI | |||
| Eye Height at 10-15 probability (EH15) | TP4 | 228 | mV | |||
Optical Characteristics
| Parameter | Symbol | Min. | Typical | Max | Unit | Notes |
| Transmitter | ||||||
| Lane wavelength (range) | L0 | 1294.53 | 1295.56 | 1296.59 | nm | |
| L1 | 1299.02 | 1300.05 | 1301.09 | nm | ||
| L2 | 1303.54 | 1304.58 | 1305.63 | nm | ||
| L3 | 1308.09 | 1309.14 | 1310.09 | nm | ||
| Signaling rate, each lane | 25.78125 | GBd | ||||
| Side-mode suppression ratio | SMSR | 30 | ||||
| Total launch power | PT | 8 | 12.5 | dBm | ||
| Average launch power, each lane | Pavg | 2 | 4.5 | dBm | 1 | |
| OMA, each Lane | POMA | 0.1 | 4.5 | dBm | 2 | |
| Extinction Ratio | ER | 6 | dB | |||
| Difference in Launch Power between any Two Lanes (OMA) | Ptx,diff | 3.6 | dB | |||
| Transmitter and Dispersion Penalty, each lane | TDP | 2.5 | dB | |||
| OMA minus TDP, each lane | OMA-TDP | -0.65 | dBm | |||
| Average launch power of OFF transmitter, each lane | Poff | -30 | dBm | |||
| Transmitter reflectance | RT | -12 | dB | |||
| RIN20OMA | RIN | -130 | dB/Hz | |||
| Optical Return Loss Tolerance | TOL | 20 | dB | |||
| Transmitter eye mask{X1, X2,X3, Y1, Y2, Y3} | {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} | |||||
| Receiver | ||||||
| Signaling rate, each lane | 25.78125 | GBd | ||||
| Average Receive Power, each Lane | -28 | -3.5 | dBm | |||
| Receive Power (OMA), each Lane | ||||||
| Receiver reflectance | SEN1 | -26 | dBm | for BER = 1x10-12 | ||
| Receiver sensitivity Average, each lane | SEN2 | -28 | dBm | for BER = 5x10-5 | ||
| Difference in Receive Power between any Two Lanes (Average and OMA) | Ptx,diff | 3.6 | dB | |||
| LOS Assert | LOSA | -40 | dBm | |||
| LOS Deassert | LOSD | -29 | dBm | |||
| LOS Hysteresis | LOSH | 0.5 | dB | |||
| Conditions of Stress Receiver Sensitivity Test (Note 4) | ||||||
| Vertical Eye Closure Penalty, each Lane | 1.5 | dB | ||||
| Stressed Eye J2 Jitter, each Lane | 0.3 | UI | ||||
| Stressed Eye J9 Jitter, each Lane | 0.47 | UI | ||||
Digital Diagnostic Functions
| Parameter | Symbol | Min. | Max | Unit | Notes |
| Temperature monitor absolute error | DMI_ Temp | -3 | 3 | ℃ | Over operating temp |
| Supply voltage monitor absolute error | DMI _VCC | -0.15 | 0.15 | V | Full operating range |
| RX power monitor absolute error | DMI_RX | -3 | 3 | dB | |
| Bias current monitor | DMI_ bias | -10% | 10% | mA | |
| TX power monitor absolute error | DMI_TX | -3 | 3 | dB |
Ordering Information
| Part Number | Description |
| AB-QSFP28-60 | 100Gbps QSFP28 LAN WDM4, LC, 60km, 0°C~+70°C, with DDM |
