Alpha Bridge ASFP-1G-eLX
Features
- Dual data-rate of 1.25Gbps/1.063Gbps operation
- 1310nm FP laser and PIN photodetector for 20km transmission
- +3.3 single power supply
- Compliant with SFP MSA AND SFF-8472 with duplex LC receptacle
- Digital Diagnostic Monitoring
- Internal Calibration or External Calibration
- Compatible with RoHS
- Operating case temperature:
- Standard: 0°C ~70°C
- Industrial: -40°C ~85°C
Applications
- Gigabit Ethernet
- Fiber Channel
- Switch to Switch
- Switched backplane applications
- Router/Server
- Other optical transmission system
Absolute Maximum Ratings
| Parameter | Symbol | Min. | Typ. | Max. | Units | Note |
| Storage Temperature | TS | -40 | 85 | °C | ||
| Supply Voltage | VCC | -0.5 | 4.5 | V | ||
| Operating Humidity | - | 5 | 85 | % |
Recommended Operating Conditions
| Parameter | Symbol | Min. | Typ. | Max. | Unit |
| Case Operating Temperature -Standard | Tc | 0 | 70 | °C | |
| Case Operating Temperature - Industrial | Tc | -40 | 85 | °C | |
| Data Rate - Gigabit Ethernet | 1.25 | Gbps | |||
| Date Rate - Fiber Channel | 1.063 | ||||
| Power Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V |
| Power Supply Current | Icc | 300 | mA |
Digital Diagnostic Functions
| Parameter/Range | Symbol | Accuracy | Unit | Notes |
| Temperature /0 to 70 | DMI_Temp | ± 3 oC | oC | |
| Temperature /-40 to 85 | DMI_Temp | ± 3 oC | oC | |
| Voltage/3.0 to 3.6 | DMI_VCC | ±3 % | V | |
| TX Power / -9 to -3 | DMI_TX | ± 3 dB | dBm | |
| RX power/-23 to 0 | DMI_RX | ± 3 dB | dBm | |
| Bias Current/ 0 to 100 | DMI_Ibias | ± 10% | mA |
optical Characteristics
| Parameter | Symbol | Min. | Typ. | Max. | Units | Note |
| Transmitter | ||||||
| Center Wavelength | λC | 1260 | 1310 | 1360 | nm | |
| Spectral Width (RMS) | σ | 4 | nm | |||
| Average Output Power | Pout | -9 | -3 | dBm | 1 | |
| Extinction Ratio | ER | 9 | dB | |||
| Optical Rise/Fall Time (20%~80%) | tr/tf | 0.26 | ns | |||
| Receiver | ||||||
| Center Wavelength | λC | 1260 | 1580 | nm | ||
| Receive Overload | -3 | dBm | 2 | |||
| Receiver Sensitivity | -23 | dBm | 2 | |||
| LOS Assert | LOSA | -35 | dBm | |||
| LOS De-assert | LOSD | -24 | dBm | |||
| LOS Hysteresis | LOSH | 1 | 4 | dB | ||
Electrical Characteristics
| Parameter | Symbol | Min. | Typ. | Max. | Units | Note |
| Transmitter | ||||||
| Input Differential Impedance | ZIN | 90 | 100 | 110 | Ω | |
| Data Input Swing Differential | VIN | 400 | 1800 | mV | 1 | |
| Disable | VD | 2 | Vcc | V | ||
| Transmit Disable | ||||||
| Enable | VEN | 0 | 0.8 | V | ||
| Fault | 2 | Vcc | V | |||
| Transmit Fault | ||||||
| Normal | 0 | 0.8 | V | |||
| Receiver | ||||||
| Data Output Swing Differential | Vout | 400 | 1800 | mV | 1 | |
| LOS | High | 2 | VCC | V | ||
| Low | 0 | 0.8 | V | |||
Pin Descriptions
| Pin | Symbol | Function/Description | Note |
| 1 | VEET | Transmitter Ground | |
| 2 | TX FAULT | Transmitter Fault Indication | 1 |
| 3 | TX DISABLE | Transmitter Disable | 2 |
| 4 | MOD_DEF(2) | SDA Serial Data Signal | 3 |
| 5 | MOD_DEF(1) | SCL Serial Clock Signal | 3 |
| 6 | MOD_DEF(0) | TTL Low | 3 |
| 7 | Rate Select | Not Connected | |
| 8 | LOS | Loss of Signal | 4 |
| 9 | VEER | Receiver ground | |
| 10 | VEER | Receiver ground | |
| 11 | VEER | Receiver ground | |
| 12 | RD- | Inv. Received Data Out | 5 |
| 13 | RD+ | Received Data Out | 5 |
| 14 | VEER | Receiver ground | |
| 15 | VCCR | Receiver Power Supply | |
| 16 | VCCT | Transmitter Power Supply | |
| 17 | VEET | Transmitter Ground | |
| 18 | TD+ | Transmit Data In | 6 |
| 19 | TD- | Inv. Transmit Data In | 6 |
| 20 | VEET | Transmitter Ground |
Ordering Information
| Model Number | Part Number | Wavelength | Temperature |
| ASFP-1G-eLX | OP6C-S20-13- CMF | 1310nm | 0°C ~70 °C |
| ASFP-1G-eLX-I | OP6C-S20-13- IMF | 1310nm | -40°C ~85°C |
