-
Feature
- Multi-sourced SFP package with dual LC/PC receptacles;
- Single mode dual fibers transmission
- Up to 20Km with 9/125μm SMF;
- AC coupled for Rx and Tx side
- Two temperature ranges: 0°C to +70°C for commercial level,
- -40°C to +85°C for industrial level;
- operates at data rate 155Mbps;
- Complies with MIL-STD-883/GR-468
- Complies with lots of brands of switch such as cisco h3c…….
Applications
Switch
Video monitor system Telecommunication system
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit | |
| Storage Temperature | TS | -40 | +85 | ℃ | |
| Operating Temperature | TOP | Commercial level | -20 | +70 | ℃ |
| industrial level | -40 | 85 | |||
| Supply Voltage | VCC | -0.5 | +4.5 | V | |
| Voltage on Any Pin | VIN | 0 | VCC | V | |
| Soldering Temperature ,Time | - | 260℃, 10 S | ℃,S | ||
Recommended Operating Conditions
| Parameter | Symbol | Min. | Typ | Max. | Unit | |
| Ambient Temperature | TAMB | Commercial level | 0 | - | 70 | ℃ |
| industrial level | -40 | 85 | ||||
| Power Supply Voltage | V CC-VEE | 3 | 3.3 | 3.6 | V | |
Operating Conditions
1 Transmitter（T=25℃, Vcc=3~3.6V (+3.3V)） 155M
| Parameter | Symbol | Min. | Typ | Max. | Unit | |||
| Center Wavelength | FP | 1280 | 1310 | 1340 | ||||
| Spectral width | △l | FP@RMS | - | 4 | 6 | nm | ||
| Side Mode Suppression Ratio | SMSR (DFB only) | 30 | dB | |||||
| Output Power | 0~30km | 1310 FP | Po | -12 | - | -0 | dBm | |
| Extinction Ratio | ER | 155M | 10 | - | dB | |||
| Supply Current | ICCT | - | 150 | mA | ||||
| Input Differential Impedance | Rin | 100 | Ω | |||||
| Data Input Swing Differential | Vin | 300 | 1200 | mV | ||||
| Optical Modulation Amplitude | OMA | 174 | μW | |||||
| Transmit Disable Voltage | VD | 2.0 |
Vcc |
V | |
| Transmit Enable Voltage | VEN | 0 |
0.8 |
V | |
| Transmit Disable Assert Time |
10 |
us | |||
| Optical Rise/Fall Time | Tr/ Tf (20-80%) | 400 |
8000 |
ps | |
| Output Optical Eye | IUT-T G.957 Compliant | ||||
2 Receiver （T=25℃, Vcc=3~3.6V (+3.3V) 155M
| Parameter | Symbol | Min. | Typ | Max. | Unit | |||
| Wavelength Range | lc | 1100 | 1610 | nm | ||||
| Sensitivity | 0~30km | 155M | Pin | PMIN | - | -35 | -34 | dBm |
| MAX. Input Power (Saturation) | PMAX | -0 | - | - | ||||
| Signal Detect Assert | PA | - | - | -34 | ||||
| Signal Detect De-assert | PD | -44 | - | - | ||||
| Signal Detect Hysteresis | PHYS | 1 | - | 4 | ||||
| Supply Current | ICCR | - | - | 150 | mA | |||
| Data Output Swing Differential | Vout | 400 | - | 1000 | mV | |||
| Signal Detect Voltage – High | VSDHC | 2.0 | - | VCC | V | |||
| Signal Detect Voltage – Low | VSDL | 0 | - | 0.8 | ||||
Notes:
switch from a high state to a low state.
1)Value of output power and sensitivity can be customized according to the demand
Ordering Information
Example
DSFP 3X 03-F 1 1 LC - 20
| Sign | Mean | Description | |||||
| DSFP | Module type | DSFP= Dual fibers SFP | SFP=Single fiber SFP | ||||
| 3X | Center wave | 3X=1310tx/1100~1610 rx | 5X=1550tx/1100~1610 rx | CWDM Like 49=1490 CWDM TX 1100~1610 RX | |||
| 03 | date Rate | 03=155M | 12=622M | 24=1.25G |
48=2.5G |
60=3.125G | |
| F | Laser type | F=FP | D=DFB |
C=CWDM |
V=VCSEL | ||
| 1 | Operating T | 1=-20~+70℃ | 2=-40~+85℃ | ||||
| 1 | DDMI | 1=NO DDM | 2=DDMI | ||||
| LC | Connector | SC=SC | LC=LC | ||||
| 20 | Distance | 022=220M | 055=550M |
5=5KM |
10=10KM | ||
| 20=20KM | 40=40KM |
80=80KM |
100=100KM | ||||
Typical products
| Part No. | Wavelength | Con- nector | Temp. | TXPower (dBm) | RX Sens(Max.) (dBm) | DD MI | Distance |
| DSFP3X03-F11LC-20 | T 1310FP/rx 1100~1610 | LC | -20 to 70 | -12 to-0 | -34 | F | 20km |
Designing notice
DSFP Pin description
|
Pin |
Descriptions |
Pin |
Descriptions |
|
1 |
VEET |
Transmitter Ground (Common with Receiver Ground) |
1 |
|
2 |
TFAULT |
Transmitter Fault. |
2 |
|
3 |
TDIS |
Transmitter Disable. Laser output disabled on high or open. |
3 |
|
4 |
MOD_DEF(2) |
Module Definition 2. Data line for Serial ID. |
4 |
|
5 |
MOD_DEF(1) |
Module Definition 1. Clock line for Serial ID. |
4 |
|
6 |
MOD_DEF(0) |
Module Definition 0. Grounded within the module. |
4 |
|
7 |
Rate Select |
No connection required |
|
|
8 |
LOS |
Loss of Signal indication. Logic 0 indicates normal operation. |
5 |
|
9 |
VEER |
Receiver Ground (Common with Transmitter Ground) |
1 |
|
10 |
VEER |
Receiver Ground (Common with Transmitter Ground) |
1 |
|
11 |
VEER |
Receiver Ground (Common with Transmitter Ground) |
1 |
|
12 |
RD- |
Receiver Inverted DATA out. AC Coupled |
|
|
13 |
RD+ |
Receiver Non-inverted DATA out. AC Coupled |
|
|
14 |
VEER |
Receiver Ground (Common with Transmitter Ground) |
1 |
|
15 |
VCCR |
Receiver Power Supply |
|
|
16 |
VCCT |
Transmitter Power Supply |
|
|
17 |
VEET |
Transmitter Ground (Common with Receiver Ground) |
1 |
|
18 |
TD+ |
Transmitter Non-Inverted DATA in. AC Coupled. |
|
|
19 |
TD- |
Transmitter Inverted DATA in. AC Coupled. |
|
|
20 |
VEET |
Transmitter Ground (Common with Receiver Ground) |
1 |
Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA)
SFP Host Board Mechanical Layout
Figure 6 SFP Host Board Mechanical Layout (Cont.)
