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2.5Gbps SFP Optical Transceiver 40km Reach

Features


  • Up to 2.67Gb/s bi-directional data links
  • 1310nm DFB laser and APD photo detector for 40km transmission
  • Compliant with SFP MSA and SFF-8472 with duplex LC receptacle
  • Digital Diagnostic Monitoring: Internal Calibration or External Calibration
  • Compatible with RoHS
  • +3.3V single power supply
  • Operating case temperature:
    1. Standard: 0 to +70°C
    2. Industrial: -40 to +85°C

Applications


  • 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, 40km Reach                                                                                                                   

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Transmitter

Centre Wavelength

λc

1280

1310

1340

nm

 

Spectral Width(-20dB)

∆λ

   

1

nm

 

Side Mode Suppression Ratio

SMSR

30

   

dB

 

Average Output Power

Pout

-2

 

+3

dBm

1

Extinction Ratio

ER

9

   

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

     

-28

dBm

3

Receiver Overload

 

-9

   

dBm

3

LOS De-Assert

LOSD

   

-30

dBm

 

LOS Assert

LOSA

-40

   

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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