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SFP28光模塊

SFP28-LR

xinghao: wt-sfp28-lr


WT-SFP+25G LR 1310

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 FEATURE 

 

Compatible with CPRI option10 24.33Gbps and 25GBASE 25.78Gbps

Up to 10km transmission on SMF

1310nm DML laser transmitter

SFP28 MSA compliant

Built-in digital diagnostic functions

Single +3.3V power supply

Operating case temperature: -40 to +85 °C or 0 to +70 °C

RoHS 6 Compliant

 

 APPLICATIONS

l   25GBASE-LR

l   24.33Gbps CPRI

 

Outline drawing 

標簽:   SFP28光模塊

 Optical Characteristics

Transmitter

Parameter

Symbol

Min.

Typical

Max.

Unit

Notes

CenterWavelength

λt

1295

1310

1325

nm

 

Average Optical Power, 25GE

Pavg

-4.5

-

2.5

dBm

 

Optical Modulation Amplitude, 25GE

OMA

-2

-

-

dBm

 

OMA–TDP, 25GE

OMA_TDP

-3

-

-

dBm

 

Average Output Power (Laser Turn off)

POFF

-

-

-30

dBm

 

Side Mode Suppression Ratio

SMSR

30

-

-

dB

 

Extinction Ratio, 25GE

ER

3.5

-

-

dB

 

Transmitter and Dispersion Penalty

TDP

-

-

2.7

dB

1

Optical Return Loss Tolerance

ORLT

-

-

11

dB

 

Receiver

Center Wavelength

λr

1260

1310

1355

nm

 

Stressed OMA Sensitivity, 25GE

 

-

-

-8.3

dBm

 

OMA Sensitivity, 25GE@1E-12

PSEN_OMA

-

-

-9.6

dBm

 

Average Rx Sensitivity, 25GE@1E-12

PSEN

-

-

-11.4

dBm

 

Receiver Overload

PIN-OL

2.5

-

-

dBm

 

Reflectance

Ref

-

-

-26

dB

 

LOS Assert

LOSA

-30

-

-17

dBm

 

LOS De-assert

LOSD

-

-

-17

dBm

 

LOS Hysteresis

LOSH

0.5

-

-

dB

 

Notes:

1. Measured with a PRBS 231-1 test pattern @25.78125 Gb/s.

 

    Electrical Characteristics

 

 

Transmitter (Module Input)

Parameter

Symbol

Min.

Typical

Max.

Unit

Notes

Differential Data Input Amplitude

VIN,P-P

200

-

900

mVpp

 

Differential Input Impedance

Rin

-

100

-

Ω

 

Tx_Fault

Normal Operation

VIL

-0.3

-

0.4

V

 

TxFault

VIH

2.4

-

VCC+0.3

V

 

Tx_Disable

Normal Operation

VIL

-0.3

-

0.8

V

 

Laser Disable

VIH

2.0

-

VCC+0.3

V

 

 

Receiver (Module Output)

Differential Data Output Amplitude

VOUT,P-P

300

-

900

mVpp

 

Differential Output Impedance

Rout

-

100

-

Ω

 

Differential Termination Mismatch

 

-

-

±5

%

 

Output Rise/Fall Time, 20%~80%

TR

9.5

-

-

ps

 

Rx_LOS

Normal Operation

VOL

-0.3

-

0.4

V

 

Lose Signal

VOH

2.4

-

VCC+0.3

V

 

有關詳細信息,請在“相關下載”中查看數據表

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