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1.25G 40km(商温)SFP Transceiver

1.25G 40km(商温)SFP Transceiver

The MXPD-243MD transceiver is a high performance, cost effective module that supports data-rate up to 1250Mbps.
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产品模块: 1.25G 40km(商温)SFP Transceiver
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Description

The 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 

l   Operating data rate 1250Mbps

l   Industry standard Small Form Pluggable (SFP) package

l   Digital diagnostic monitor interface compliant with SFF-8472

l   Duplex LC connector

l   Single +3.3V power supply

l   Differential LVPECL inputs and outputs

l   TTL signal detect indicator

l   Hot-pluggable capability

l   RoHS compliant

 

Applications

l   Switch to Switch interface

l   Switched backplane applications

l   Router/Server interface

l   Other optical transmission systems

 

Compliance

l   SFP MSA

l   SFF-8472

l   IEEE802.3z

l   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-OpticalElectrical

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-OpticalElectrical

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.