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1.25G 40km(商温)SFP Transceiver

1.25G 40km(商温)SFP Transceiver

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Description

Description

The FT-MXPD-243MD transceiver is a high performance, cost effective module that supports data-rate up to 1250Mbps.

The transmitter section and the receiver section work independently in the transceiver. The receiver section contains an InGaAs PIN photo diode, a transimpedance amplifier and a post amplifier (with working data rate up to 1250Mbps), functionally transmit received optical power to steady electrical data.

This transceiver meets the Small Form Pluggable (SFP) industry standard package utilizing an integral LC-Duplex optical interface connector. An enhanced Digital Diagnostic Monitoring Interface compliant with SFF-8472 has been incorporated into the transceiver. It allows real time access to the transceiver operating parameters such as transceiver temperature, laser bias current, transmitted optical power, received optical power and transceiver supply voltage by reading a built-in memory with I2C interface.

Features 

● Operating data rate 1250Mbps

● Industry standard Small Form Pluggable (SFP) package

● Digital diagnostic monitor interface compliant with SFF-8472

● Duplex LC connector

● Single +3.3V power supply

● Differential LVPECL inputs and outputs

● TTL signal detect indicator

● Hot-pluggable capability

● RoHS compliant

Applications

● Switch to Switch interface

● Switched backplane applications

● Router/Server interface

● Other optical transmission systems

Compliance

● SFP MSA

● SFF-8472

● IEEE802.3z

● RoHS

Specification

Absolute Maximum Ratings

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Storage Temperature

TSTG

-40

-

+85

ºC

Operating Relative Humidity

（Non-condensing）

    RH

5

-

85

%

Supply Voltage

VCC

-0.4

-

3.7

V

Power Dissipation

PD

1

W

@75 ºC,3.5V

Maximum Peak Current

Ip

400

mA

Recommended Operating Conditions

Parameter

Symbol

Min

Typical

Max

Unit

Notes

 Ambient temperature  

Ta

-5

-

+75

℃

Note1

 Supply Voltage  

VCC

3.135

3.3

3.465

V

 Data Rate

DR

-

1250

-

Mbps

Power Supply Current

Icc

300

mA

Notes:

[1] Commercial Temperature:-5℃~ +75 ℃.

Timing

Parameter

Symbol

Min

Typical

Max

Unit

Notes

 TX Disable Assert Time

t_off

10

us

TX Disable Negate Time

t_on

1

ms

Time to initialize including reset of TX_Fault

t_init

300

ms

TX Fault Assert Time

t_fault

100

us

Tx Disable to Reset

t_reset

10

us

LOS Assert Time

t_loss_on

100

us

LOS Deassert Time

t_loss_off

100

us

Rate Select Change Time

t_ratesel

10

us

IIC Clock Frequency

f_serial_clock

100

400

KHz

IIC Data Hold Time

t_hold

300

ns

Transmitter Operating Characteristic-Optical，Electrical

Parameter

Symbol

Min

Typical

Max

Units

Notes

Differential Input Voltage

Vin p-p

500

-

2400

mV

 Output Optical Power

PO

-5

-

0

dBm

Note1

 Extinction Ratio  

ER

9.5

-

dB

 Optical Rise Time

TR

-

-

260

ps

20%~80%

 Optical Fall Time

TF

-

-

260

ps

20%~80%

Center Wavelength Range

λc

1275

1310

1350

nm

 -20dB Spectral Width  

Δλ

-

-

1

nm

DFB-LD

Side Mode Suppression Ratio

SMSR

30

-

-

dB

Output Optical Eye

Complies with IEEE802.3z eye masks when filtered

minimal Eye Mask Margin 5%

Tx_Disable Voltage

VOH

2.0

-

Vcc

V

LVTTL

VOL

0

-

0.8

V

LVTTL

Tx_Fault Voltage

VOH

2.0

-

Vcc

V

LVTTL

VOL

0

-

0.8

V

LVTTL

Relative Intensity Noise

RIN

-120

dB/Hz

Optical return loss tolerance

12

dB

Optical Power for TX DISABLE

Ptx-dis

-30

dBm

Input differential impedance

Zin

90

100

110

Ω

Notes:

[1]1310nm DFB and PIN,40Km;

Receiver Operating Characteristic-Optical，Electrical

Parameter

Symbol

Min

Typical

Max

Units

Notes

Differential Output Voltage

Vout p-p

600

1000

mV

50Ω load to Vcc-2V

Receiver Sensitivity

Sen

-23

dBm

Note1

Overload Input Power

So

-3

dBm

Los of Signal Voltage

VOH

2.0

Vcc

V

LVTTL

VOL

0

0.8

V

LVTTL

Los Asserted

PA

-35

dBm

Los De-asserted

PD

-23

dBm

Los Hysteresis

PD- PA

1

4

dB

Receiver Optical Wavelength

λin

1260

1620

nm

Optical Return Loss

RL

12

dB

Data Output Rise Time

TR

-

-

260

ps

20%~80%

Data Output Fall Time

TF

-

-

260

ps

20%~80%

Maximum Input Power

Pmax

0

dBm

Notes:

[1]1310nm FP and PIN,40Km. Measured with a PRBS27-1 test pattern@1250Mb/s, ER=9.5dB, BER=10-12.

Reliability Test Definitions and Distributions

Group

Test

Reference

Condition

SS[1]

C[2]

Mechanical Integrity 

Mechanical shock 

MIL-STD-883

Method 2002.3

5 times/axis,

1500G, 0.5ms

11

0

Vibration 

MIL-STD-883

Method 2007.2

20G, 20~2000Hz,

4min/cys,4cys/axis

11

0

Endurance 

Accelerated Aging 

GR-468-CORE

85℃, 2000 hrs

11

0

High temperature Storage 

GR-468-CORE

85℃, 2000 hrs

11

0

Low temperature Storage 

GR-468-CORE

-40℃, 2000 hrs

11

0

Temperature Cycles 

MIL-STD-883

Method 1010.7 GR-468-CORE

-40℃~85℃

500 cycles

11

0

Damp Heat 

MIL-STD-202

Method 103

GR-468-CORE

85 ℃, 85%RH

1000 hrs

11

0

Cyclic moisture resistance 

MIL-STD-883

Method 1004.7 GR-468-CORE

20 cycles

11

0

Special Test 

ESD threshold 

MIL-STD-883E

Method 3015.7

2000V HBM

6

0

Note:

[1] SS: Sample Size;

[2] C: Maximum number of failure allowed in the test.

Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.

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