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1.25Gbps SFP Optical Transceiver, 40km Reach

1.25Gbps SFP Optical Transceiver, 40km Reach

1.25Gbps SFP Optical Transceiver, 40km Reach

Features

  • Dual data-rate of 1.25Gbps/1.063Gbps operation
  • 1310nm DFB laser and PIN photodetector for 40km transmission
  • Compliant with SFP MSA and SFF-8472 with duplex LC receptacle
  • Digital Diagnostic Monitoring:
  • Internal Calibration or External Calibration
  • Compatible with SONET OC-24-LR
  • Compatible with RoHS
  • +3.3V single power supply
  • Operating case temperature:

         Standard : 0 to +70°C

         Industrial : -40 to +85°C

Applications

  • Gigabit Ethernet
  • Fiber Channel
  • Switch to Switch interface
  • Switched backplane applications
  • Router/Server interface
  • Other optical transmission systems

Description

The SFP transceivers are high performance, cost effective modules supporting dual data-rate of 1.25Gbps/1.0625Gbps and 40km transmission distance with SMF.

The transceiver consists of three sections: a DFB laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.

The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to SFP MSA.

Mechanical Dimensions

Ordering Information

Part Number

Product Description

MPD-G39-40D

1310nm, 1.25Gbps, LC,  40km, 0°C~+70°C,  with DDM

 

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Transmitter

Centre Wavelength

λc

1260

1310

1360

nm

 

Spectral Width (-20dB)

∆λ

 

 

1

nm

 

Side Mode Suppression Ratio

SMSR

30

 

 

dB

 

Average Output Power

Pout

-5

 

2

dBm

1

Extinction Ratio

ER

9

 

 

dB

 

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

tr/tf

 

 

0.26

ns

 

Data Input Swing Differential

VIN

400

 

1800

mV

2

Input Differential Impedance

ZIN

90

100

110

 

 

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

 

1360

nm

 

Receiver Sensitivity

 

 

 

-23

dBm

3

Receiver Overload

 

-3

 

 

dBm

3

LOS De-Assert

LOSD

 

 

-24

dBm

 

LOS Assert

LOSA

-35

 

 

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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