Description
The F-tone Networks FTCS-B27A25G-40DI is designed for Bi-directional 25G serial optical data communications by using 1270nm transmitter and 1310nm receiver. It is a high performance module for 25G Ethernet and Option 10 CPRI applications which operate up to 40km. This module incorporates F-tone Networks proven circuit and technology to provide reliable long life, high performance, and consistent service.
Features
- Hot-pluggable SFP28 form factor
- Up to 25Gbps data rate
- Maximum link length of 40km
- Single LC receptacle, Bi-directional
- CWDM EML laser and APD photo-detector:1270nm Tx/1310nm Rx
- Internal CDR on both Transmitter and Receiver channel
- Single 3.3V power supply
- Power dissipation < 1.9W
- RoHS 2.0 compliant (2011/65/EU, lead free)
- Industrial case temperature range: -40°C to 85°C
Applications
- 25G Ethernet
- CPRI Option 10
- Support 10G CPRI option 8 by CDR bypass
Absolute Maximum Ratings
|
Parameter |
Symbol |
Min |
Max |
Unit |
|
Supply Voltage |
Vcc |
0 |
3.6 |
V |
|
Storage Temperature |
Ts |
-40 |
+85 |
°C |
|
Operating Humidity |
- |
5 |
85 |
% |
Recommended Operating Conditions
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
|
Operating Case Temperature |
Industrial |
Tc |
-40 |
+85 |
°C |
|
|
Power Supply Voltage |
Vcc |
3.13 |
3.3 |
3.47 |
V |
|
|
Power Supply Current |
Icc |
556 |
mA |
|||
Electrical Specifications
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
Differential Input Impedance |
Zin |
90 |
100 |
110 |
ohm |
|
Differential Output Impedance |
Zout |
90 |
100 |
110 |
ohm |
|
Differential Input Voltage Amplitude1 |
ΔVin |
300 |
1100 |
mVp-p |
|
|
Differential Output Voltage Amplitude2 |
ΔVout |
500 |
800 |
mVp-p |
|
|
Input Logic Level High |
VIH |
2.0 |
Vcc |
V |
|
|
Input Logic Level Low |
VIL |
0 |
0.8 |
V |
|
|
Output Logic Level High |
VOH |
Vcc-0.5 |
Vcc |
V |
|
|
Output Logic Level Low |
VOL |
0 |
0.4 |
V |
Note:
1、Differential input voltage amplitude is measured between TxnP and TxnN.
2、Differential output voltage amplitude is measured between RxnP and RxnN.
Optical Characteristics
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
|
|
Transmitter |
|||||||
|
Data rate |
BR |
25.78 |
Gbps |
||||
|
Centre Wavelength |
λc |
1270 |
nm |
||||
|
Spectral Width (-20dB) |
σ |
1 |
nm |
||||
|
Side Mode Suppression Ratio |
SMSR |
30 |
dB |
||||
|
Average Output Power |
Pavg |
-2 |
6 |
dBm |
|||
|
Extinction Ratio |
ER |
7 |
dB |
||||
|
Eye Mask Coordinates |
{0.31, 0.4, 0.45, 0.34, 0.38, 0.4} |
||||||
|
Receiver |
|||||||
|
Data rate |
BR |
25.78 |
Gbps |
||||
|
Centre Wavelength |
λc |
1310 |
nm |
||||
|
Average Power at Receiver |
-4 |
dBm |
|||||
|
Receive reflectance(max) |
-26 |
dB |
|||||
|
Receiver Sensitivity (OMA) |
Psens |
- |
- |
-19 |
dBm |
1 |
|
|
Rx Damage threshold |
-3 |
dBm |
|||||
|
LOS De-Assert |
LOSD |
-21 |
dBm |
||||
|
LOS Assert |
LOSA |
-31 |
dBm |
||||
|
LOS Hysteresis |
0.5 |
dB |
|||||
Notes1:
1、For 25G-ERT with FEC, receiver sensitivity is defined at 5E-5 BER level, not 1E-12 BER level.
Mechanical Dimensions
Ordering information
|
Part Number |
Product Description |
|
FTCS-B27A25G-40DI |
25Gbps, SFP28 1270nm Tx/1310nm Rx, 40km, -40ºC ~ +85ºC |
北亿纤通 | F-tone Networks
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注：本产品有全国产化型号可选
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.