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TGL-SFP+-LR    10Gbps SFP+ Transceiver, 10km Reach

Features

*Optical interface compliant to IEEE 802.3ae 10GBASE-LR
*Electrical interface compliant to SFF-8431
*Hot Pluggable
*1310nm DFB transmitter, PIN photo-detector
*Operating case temperature: 0 to 70 °C
*Low power consumption
*Applicable for 10km/20km SMF connection
*All-metal housing for superior EMI performance
*Advanced firmware allow customer system encryption information to be stored in transceiver
*Cost effective SFP+ solution, enables higher port densities and greater bandwidth 

Applications

*10GBASE-LR at 10.3125Gbps
*10GBASE-LW at 9.953Gbps
*Other optical links

Product description

  This 1310nm DFB 10Gigabit SFP+ transceiver is designed to transmit and receive optical data over single mode optical fiber for link length 10km/20km.  

  The SFP+ LR module electrical interface is compliant to SFI electrical specifications.  The transmitter input and receiver output impedance is 100 Ohms differential.  Data lines are internally AC coupled.  The module provides differential termination and reduce differential to common mode conversion for quality signal termination and low EMI.  SFI typically operates over 200 mm of improved FR4 material or up to about 150mmof standard FR4 with one connector.

The 3rd functional capability of the SFP+ module is the 2 wire serial, I2C, interface.  I2C is used for serial ID, digital diagnostics, and module control functions. The enhanced digital diagnostics monitoring interface allows real time access to the device allowing monitor of received optical power, laser bias current, laser optical output power, etc.

Figure 1: Interface to Host

LR 插图

Pin definition 

The SFP+ modules are hot-pluggable.  Hot pluggable refers to plugging in or unplugging a module while the host board is powered.  The SFP+ host connector is a 0.8 mm pitch 20 position right angle improved connector specified by SFF-8083, or stacked connector with equivalent with equivalent electrical performance.   Host PCB contact assignment is shown in Figure 2 and contact definitions are given in Table 2.   SFP+ module contacts mates with the host in the order of ground, power, followed by signal as illustrated by Figure 3 and the contact sequence order listed in Table 2.

Figure 2: Interface to Host PCB

LR 插图2

Figure 3: Module Contact Assignment

LR 插图3

Electrical characteristics

The following electrical characteristics are defined over the Recommended Operating Environment unless otherwise specified.

Parameter

Symbol

Min.

Typical

Max

Unit

Notes

Data Rate

 

10.3125

Gbps

 

Power Consumption

 

1200

1500

mW

 

Transmitter

Single Ended Output Voltage Tolerance

 

-0.3

4.0

V

 

C common mode voltage tolerance

 

15

mV

 

Tx Input Diff Voltage

VI

400

 

1600

mV

 

Tx Fault

VoL

-0.3

 

0.4

V

At 0.7mA

Data Dependent Input Jitter

DDJ

 

 

0.10

UI

 

Data Input Total Jitter

TJ

 

 

0.28

UI

 

Receiver

Single Ended Output Voltage Tolerance

 

-0.3

4.0

V

 

Rx Output Diff Voltage

Vo

300

 

850

mV

 

Rx Output Rise and Fall Time

Tr/Tf

30

 

 

ps

20% to 80%

Total Jitter

TJ

 

 

0.70

UI

 

Deterministic Jitter

DJ

 

 

0.42

UI

 

LR 插图4

Ordering information

Part Number Product Description
TGL-SFP+-LR 1310nm, 10Gbps, 10km,   0ºC ~ +70ºC