155M~2.67Gbps ESFP Optical Transceiver

155M~2.67Gbps ESFP Optical Transceiver

Short Description:

The SFP transceivers are high performance, cost effective modules supporting data-rate of 2.67Gbps and 120km transmission distance with SMF. The transceiver consists of three sections: an uncooled CWDM DFB laser transmitter, an APD photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements. The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to...


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  • Description

    Specification

    Application

    Order information

    Questions&Comments

    Product Tags

    Features

    ¨        Data-rate of 2.67Gbps operation

    ¨        8 CWDM DFB wavelengths laser and APD photodetector for 120km transmission

    ¨        Compliant with SFP MSA and SFF-8472 with duplex LC receptacle

    ¨        Digital Diagnostic Monitoring:

    Internal Calibration or External Calibration

    ¨        Compatible with RoHS

    ¨        +3.3V single power supply

    ¨        Operating case temperature:

    Standard :  0 to +70°C

     

    Applications

    ¨        SDH STM-16 and SONET OC-48 system

    ¨        2X Fiber Channel

    ¨        Switch to Switch interface

    ¨        Switched backplane applications

    ¨        Router/Server interface

    ¨        Other optical transmission systems

     

    Description

     

    The SFP transceivers are high performance, cost effective modules supporting data-rate of 2.67Gbps and 120km transmission distance with SMF.

     

    The transceiver consists of three sections: an uncooled CWDM DFB laser transmitter, an APD photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.

     

    The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to SFP MSA.

     

     

    Module Block Diagram

     

     

     

    Parameter

    Symbol

    Min

    Typical

    Max

    Unit

    Notes

    Transmitter

    Centre Wavelength

    λc

    1430

    1550

    1580

    nm

    Spectral Width (-20dB)

    σ

    1

    nm

    Side Mode Suppression Ratio

    SMSR

    30

    dB

    Average Output Power

    Pout

    -2

    +3

    dBm

    1

    Extinction Ratio

    ER

    8.2

    dB

    Optical Rise/Fall Time (20%~80%)

    tr/tf

    0.16

    ns

    Data Input Swing Differential

    VIN

    400

    1800

    mV

    2

    Input Differential Impedance

    ZIN

    90

    100

    110

    Ω

    TX Disable

    Disable

    2.0

    Vcc

    V

    Enable

    0

    0.8

    V

    TX Fault

    Fault

    2.0

    Vcc

    V

    Normal

    0

    0.8

    V

    Receiver

    Centre Wavelength

    λc

    1260

    1580

    nm

    Receiver Sensitivity

    -28

    dBm

    3

    Receiver Overload

    -9

    dBm

    3

    LOS De-Assert

    LOSD

    -30

    dBm

    LOS Assert

    LOSA

    -40

    dBm

    LOS Hysteresis

    1

    4

    dB

    Data Output Swing Differential

    Vout

    370

    1800

    mV

    4

    LOS

    High

    2.0

    Vcc

    V

    Low

    0.8

    V

    Notes:

    1. The optical power is launched into SMF.

    2. PECL input, internally AC-coupled and terminated.

    3. Measured with a PRBS 223-1 test pattern @2488Mbps, BER ≤1×10-12.

    4. Internally AC-coupled.

     

    Absolute Maximum Ratings

    Table 1 – Absolute Maximum Ratings

    Parameter

    Symbol

    Min

    Max

    Unit

    Supply Voltage

    Vcc

    -0.5

    4.5

    V

    Storage Temperature

    Ts

    -40

    +85

    °C

    Operating Humidity

    -

    5

    85

    %

     Recommended Operating Conditions

    Table 2 – Recommended Operating Conditions

    Parameter

    Symbol

    Min

    Typical

    Max

    Unit

    Operating Case Temperature

    Standard

    Tc

    0

    +70

    °C

    Power Supply Voltage

    Vcc

    3.13

    3.3

    3.47

    V

    Power Supply Current

    Icc

    300

    mA

    Data Rate

    2.67

    Gbps

    BD-XX48-08CD

    See table3 below for “xx” values

    Table3 -λC Wavelength Guide

     

    λC Wavelength Guide

    Code

    λC

    Unit

    Code

    λC

    Unit

    47

    1470

    nm

    57

    1570

    nm

    49

    1490

    nm

    59

    1590

    nm

    51

    1510

    nm

    61

    1610

    nm

    53

    1530

    nm

    55

    1550

    nm

    Optical and Electrical Characteristics

    BD-XX48-08CD: (CWDM and APD, 120km Reach)

    Table 4 – Optical and Electrical Characteristics

    Parameter

    Symbol

    Min

    Typical

    Max

    Unit

    Notes

    Transmitter

    Centre Wavelength

    λc

    λc-6.5

    λc

    λc+6.5

    nm

    Spectral Width (-20dB)

    ∆λ

    1

    nm

    Side Mode Suppression Ratio

    SMSR

    30

    dB

    Average Output Power

    Pout

    0

    5

    dBm

    1

    Extinction Ratio

    ER

    9

    dB

    Optical Rise/Fall Time (20%~80%)

    tr/tf

    150

    ps

    Data Input Swing Differential

    VIN

    400

    1800

    mV

    2

    Input Differential Impedance

    ZIN

    90

    100

    110

    Ω

    TX Disable

    Disable

    2.0

    Vcc

    V

    Enable

    0

    0.8

    V

    TX Fault

    Fault

    2.0

    Vcc

    V

    Normal

    0

    0.8

    V

    Receiver

    Receiver Sensitivity

    -28

    dBm

    3

    Receiver Overload

    -9

    dBm

    3

    LOS De-Assert

    LOSD

    -30

    dBm

    LOS Assert

    LOSA

    -40

    dBm

    LOS Hysteresis

    1

    4

    dB

    Data Output Swing Differential

    Vout

    370

    1800

    mV

    4

    LOS

    High

    2.0

    Vcc

    V

    Low

    0.8

    V

    Notes:

    1. The optical power is launched into SMF.

    2. PECL input, internally AC-coupled and terminated.

    3. Measured with a PRBS 223-1 test pattern @2488Mbps, BER ≤1×10-12.

    4. Internally AC-coupled.

     Timing and Electrical

     

    Table 5 – Timing and Electrical

     

    Parameter

    Symbol

    Min

    Typical

    Max

    Unit

    Tx Disable Negate Time

    t_on

    1

    ms

    Tx Disable Assert Time

    t_off

    10

    µs

    Time To Initialize, including Reset of Tx Fault

    t_init

    300

    ms

    Tx Fault Assert Time

    t_fault

    100

    µs

    Tx Disable To Reset

    t_reset

    10

    µs

    LOS Assert Time

    t_loss_on

    100

    µs

    LOS De-assert Time

    t_loss_off

    100

    µs

    Serial ID Clock Rate

    f_serial_clock

    400

    KHz

    MOD_DEF (0:2)-High

    VH

    2

    Vcc

    V

    MOD_DEF (0:2)-Low

    VL

    0.8

    V

     

     

    Diagnostics

    Table 5 – Diagnostics Specification

    Parameter

    Range

    Unit

    Accuracy

    Calibration

    Temperature

    0 to +70

    °C

    ±3°C

    Internal / External

    Voltage

    3.0 to 3.6

    V

    ±3%

    Internal / External

    Bias Current

    0 to 100

    mA

    ±10%

    Internal / External

    TX Power

    0 to +5

    dBm

    ±3dB

    Internal / External

    RX Power

    -30 to -9

    dBm

    ±3dB

    Internal / External

     Digital Diagnostic Memory Map

    The transceivers provide serial ID memory contents and diagnostic information about the present operating conditions by the 2-wire serial interface (SCL, SDA).

     

    The diagnostic information with internal calibration or external calibration all are implemented, including received power monitoring, transmitted power monitoring, bias current monitoring, supply voltage monitoring and temperature monitoring.

     

    The digital diagnostic memory map specific data field defines as following.

    Pin Definitions

    Pin Diagram

     

     

    Pin Descriptions

     

    Pin

    Signal Name

    Description

    Plug Seq.

    Notes

    1

    VEET

    Transmitter Ground

    1

    2

    TX FAULT

    Transmitter Fault Indication

    3

    Note 1

    3

    TX DISABLE

    Transmitter Disable

    3

    Note 2

    4

    MOD_DEF(2)

    SDA Serial Data Signal

    3

    Note 3

    5

    MOD_DEF(1)

    SCL Serial Clock Signal

    3

    Note 3

    6

    MOD_DEF(0)

    TTL Low

    3

    Note 3

    7

    Rate Select

    Not Connected

    3

    8

    LOS

    Loss of Signal

    3

    Note 4

    9

    VEER

    Receiver ground

    1

    10

    VEER

    Receiver ground

    1

    11

    VEER

    Receiver ground

    1

    12

    RD-

    Inv. Received Data Out

    3

    Note 5

    13

    RD+

    Received Data Out

    3

    Note 5

    14

    VEER

    Receiver ground

    1

    15

    VCCR

    Receiver Power Supply

    2

    16

    VCCT

    Transmitter Power Supply

    2

    17

    VEET

    Transmitter Ground

    1

    18

    TD+

    Transmit Data In

    3

    Note 6

    19

    TD-

    Inv. Transmit Data In

    3

    Note 6

    20

    VEET

    Transmitter Ground

    1

    Notes:

    Plug Seq.: Pin engagement sequence during hot plugging.

    1) TX Fault is an open collector output, which should be pulled up with a 4.7k~10kΩ resistor on the host board to a voltage between 2.0V and Vcc+0.3V. Logic 0 indicates normal operation; Logic 1 indicates a laser fault of some kind. In the low state, the output will be pulled to less than 0.8V.

    2) TX Disable is an input that is used to shut down the transmitter optical output. It is pulled up within the module with a 4.7k~10kΩ resistor. Its states are:

    Low (0 to 0.8V):             Transmitter on

    (>0.8V, < 2.0V):             Undefined

    High (2.0 to 3.465V):         Transmitter Disabled

    Open:                      Transmitter Disabled

    3) Mod-Def 0,1,2. These are the module definition pins. They should be pulled up with a 4.7k~10kΩ resistor on the host board. The pull-up voltage shall be VccT or VccR.

    Mod-Def 0 is grounded by the module to indicate that the module is present

    Mod-Def 1 is the clock line of two wire serial interface for serial ID

    Mod-Def 2 is the data line of two wire serial interface for serial ID

    4) LOS is an open collector output, which should be pulled up with a 4.7k~10kΩ resistor. Pull up voltage between 2.0V and Vcc+0.3V. Logic 1 indicates loss of signal; Logic 0 indicates normal operation. In the low state, the output will be pulled to less than 0.8V.

    5) RD-/+: These are the differential receiver outputs. They are internally AC-coupled 100 differential lines which should be terminated with 100Ω (differential) at the user SERDES.

    6) TD-/+: These are the differential transmitter inputs. They are internally AC-coupled, differential lines with 100Ω differential termination inside the mod

     

     

    Recommended Interface Circuit

     

    Mechanical Dimensions

     

     

     

    Regulatory Compliance

    BAUDCOM SFP transceiver is designed to be Class I Laser safety compliant and is certified per the following standards

    Feature

    Agency

    Standard

    Certificate / Comments

    Laser Safety

    FDA

    CDRH 21 CFR 1040 annd Laser Notice No. 50 1120294-000
    Product Safety

    BST

    EN 60825-1:2007

    EN 60825-2:2004

    EN 60950-1:2006BT0905142002Environmental protection

    SGS

    RoHS Directive 2002/95/ECGZ0902008346/CHEMEMC

    CCIC

    EN 55022:2006+A1:2007

     

    EN 55024:1998+A1:2001+A2:2003CTE09050018

    Applications

    ¨      SDH STM-16 and SONET OC-48 system

    ¨     2X Fiber Channel

    ¨     Switch to Switch interface

    ¨    Switched backplane applications

    ¨      Router/Server interface

    ¨      Other optical transmission systems

    2.67Gbps CWDM SFP Optical Transceiver, 120km Reach Part Number Product Description BD-XX48-08CD CWDM 1470nm~1610nm,2.67Gbps,120km,With Digital Diagnostic Monitoring

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