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Shenzhen Whandar Optical Technology Co., Ltd.

Product

HD-SFP28/25G-LR

Duplex LC connector Support up to 28Gb/s bit rates

Support hotline:

0755-86654236 /

DownloadProduct Details

Product Description

Features

◆  Duplex LC connector Support up to 28Gb/s bit rates

◆  Hot-pluggable SFP footprint

◆  Built-in digital diagnostic functions

◆  Transmission distance up to 10 km on 9/125um SMF G.652

◆  Single power supply 3.3V

◆  RoHS6 compliant

◆  Operating temperature range Commercial :0℃ to 70℃ Industrial :-40℃ to 85℃

◆  Power consumption <1.2W


Applications

◆ Data Center

◆ 5GBASE-SR Ethernet

◆ 32G Fiber Channel Applications

◆ Servers, Switches, Storage and Host Card Adapters

 

 Transmitter E-O Characteristics

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Support data rate

-

-

-

28

Gb/s

-

Peak Wavelength

λp

1295

1310

1325

nm

4

Spectral Width (-20dB)

Dl

-

-

1

nm

-

Side Mode Suppression Ratio

SMSR

30



dB


Average Optical Output Power

Po

-5

-

2

dBm


Extinction Ratio

Er

3.5

-

-

dB


Transmitter and dispersion

penalty

TDP



3

dB


Output Power with Transmitter

Disabled

Poff



-30

dBm


Transmitter Enable Voltage

VEN

-0.3

-

0.8

V


Transmitter Disable Voltage

VD

2.0

-

Vcc+0.3

V


Differential Data Input Swing

VINpp

180

-

700

mV


Optical return loss tolerance




-12

dB


Output Eye Diagram

Compliant with IEEE 802.3

1

 

 Receiver O-E Characteristics

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Support data rate

-

-

-

28

Gb/s

-

Operate Wavelength

-

1260

-

1360

nm

-

Receiver sensitivity in OMA

Sen

-

-

-12

dBm

2

Receiver sensitivity(BER of 1E-12)

Sen

-

-

-8.6

dBm


Saturation(BER of 1E-12)

Psat

2

-

-

dBm

2

LOS Asserted

T_loss_on

-30

-

-

dBm

High level:

Alarm

LOS De-Asserted

T_loss_off

-

-

-13

dBm

LOS Hysteresis

T_loss_Hs

0.5

-

5.0

dB

Differential Data Output Swing

VOUTPP

450

-

1050

mV

-


 


LOS Low Voltage

VLout

-

-

0.4

V

-


LOS High Voltage

VHout

2.0

-

-

V

-

Notes:

1 At least 1000 waveforms acquired, with minimum 5% margin against 802.3 mask

2 Receiver sensitivity is measured with conformance test signal for BER=5x10-5.

 

Pin Definitions

 Pin Diagram


image.png 

 Pin Descriptions

Pin#

Logic

Name

Function

Notes

1


VeeT

Transmitter Ground

-

2

LVTTL-O

TX Fault

Transmitter Fault Indication

Note 1

3

LVTTL-I

TX Disable

Transmitter Disable

Note 2, Module disables on

high or open

 

4

LVTTL-I

 

SDA

2-wire Serial Interface Data Line (Same as MOD-DEF2 in

INF-8074i)


 

 

5

LVTTL-I/O

 

 

SCL

2 Wire Serial Interface Data Line (Same as

MOD-DEF1 as   defined   in   the

INF-8074i)


6


MOD-ABS

Module Absent, Connected to

VeeT or VeeR in the module.

Note 3

7

LVTTL-I

RS0

SFP+ RX Rate Select, optional

Rate Select 0, Not used.

Note 9

8

LVTTL-O

LOS

Loss of Signal

Note 4

9

LVTTL-I

RS1

SFP+ TX Rate Select, optional

Rate Select 1, Not used.

Note 9

10


VeeR

Receiver Ground

Note 5

11


VeeR

Receiver Ground

Note 5

12

CML-O

RD-

Inv. Received Data Out

Note 6

13

CML-O

RD+

Received Data Out

Note 6

14


VeeR

Receiver Ground

Note 5

15


VccR

Receiver Power

Note 7, 3.3V± 5%


 


Pin#

Logic

Name

Function

Notes


16


VccT

Transmitter Power

Note 7, 3.3V± 5%

17


VeeT

Transmitter Ground

Note 5

18

CML-I

TD+

Transmit Data In

Note 8

19

CML-I

TD-

Inv. Transmit Data In

Note 8

20


VeeT

Transmitter Ground

Note 5

 

 

Ordering Information

 

Part number

 

Product Description

HD-SFP28/25G-LR

25Gb/s 10km LR SFP28 Transceiver, LC, 10km, 0°C~+70°C With DDM

HD-SFP28/25G-LR-I

25Gb/s 10km LR SFP28 Transceiver, LC, 10km, -40°C~+85°C With DDM




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