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2.5Gbps SFP Transceiver 20km Reach 1550nm

Features
Up to 2.67Gb/s bi-directional data links
1550nm DFB laser and PIN photo detector for 20km transmission
Compliant with SFP MSA and SFF-8472 with duplex LC receptacle
Digital Diagnostic Monitoring:
Internal Calibration or External Calibration
Compatible with RoHSv
+3.3V single power supply
Operating case temperature:
Standard : 0 to +70°C
Industrial: -40 to +85°C
Applicationsvvv
SDH STM-16 and SONET OC-48 system
2X Fiber Channel
Switch to Switch interface
Switched backplane applications
Router/Server interface
Other optical transmission systems

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2.67Gbps SFP Optical Transceiver, 20km Reach                                                                                                                          

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Transmitter

Centre Wavelength

λc

1430

1500

1580

nm

 

Spectral Width(-20dB)

∆λ

   

1

nm

 

Side Mode Suppression Ratio

SMSR

30

   

dB

 

Average Output Power

Pout

-5

 

0

dBm

1

Extinction Ratio

ER

8.2

   

dB

 

Optical Rise/Fall Time(20%~80%)

tr/tf

   

0.16

ns

 

Data Input Swing Differential

VIN

400

 

1800

mV

2

Input Differential Impedance

ZIN

90

100

110

Ω

 

TX Disable

Disable

 

2.0

 

Vcc

V

 

Enable

 

0

 

0.8

V

 

TX Fault

Fault

 

2.0

 

Vcc

V

 

Normal

 

0

 

0.8

V

 

Receiver

Centre Wavelength

λc

1260

 

1580

nm

 

Receiver Sensitivity

     

-18

dBm

3

Receiver Overload

 

-3

   

dBm

3

LOS De-Assert

LOSD

   

-20

dBm

 

LOS Assert

LOSA

-30

   

dBm

 

LOS Hysteresis

 

1

 

4

dB

 

Data Output Swing Differential

Vout

370

 

1800

mV

4

LOS

High

2.0

 

Vcc

V

 

Low

   

0.8

V

 
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