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​光模块(千兆/双纤/多模550m,850nm/LC)

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产品介绍

    千兆双纤多模550m850nm  LC接口 3.3v

    1. 特征

    l  SFP package with LC connector

    l  850nm VCSEL Laser and PIN photodetector

    l  Up to 550m transmission on 50/125 um MMF

    l  +3.3V single power supply

    l  LVPECL compatible data input/output interface

    l  Low EMI and excellent ESD protection

    l  laser safety standard IEC-60825 compliant

    l  Compatible with RoHS

    l  Digital Diagnostic SFF-8472 compliant

    2. 应用

    l  Ethernet

    l  Telecom

    l  Fiber Channel

    3. 极限参数

    Parameter

    Symbol

    Minimum

    Maximum

    Units

    Storage Temperature

    Tst

    -40

    +85

    °C

    Supply Voltage

    Vcc

    0

    +3.6

    V

    Operating Relative Humidity

    RH

    5

    95

    %


    4. 操作环境

    Parameter

    Symbol

    Min

    Typical

    Max

    Units

    Supply Voltage

    Vcc

    3.15

    3.3

    3.45

    V

    Operating Case Temperature

    Commercial

    Tc

    0

    +70

    °C

    Industrial

    -40

    +85

    Power Dissipation

    1

    W

    Data Rate

    1.25

    Gbps

    5. 光学特性

    (Ambient Operating Temperature 0°C to +70°C, Vcc =3.3 V)

    Parameter

    Symbol

    Min.

    Typ.

    Max.

    Units

    Transmitter Section

    Center Wavelength

    lo

    840

    850

    860

    nm

    Spectral Width(RMS)

    Dl

    -

    -

    0.85

    nm

    Average Output Power

    Po

    -8

    -

    -3

    dBm

    Extinction Ratio

    Er

    10

    -

    15

    dB

    Rise/Fall Time(20%~80%)

    Tr/Tf

    0.26

    ns

    Total jitter

    Tj

    0.43

    UI

    Optical Eye Diagram

    IEEE 802.3z and ANSI Fibre Channel Compatible

    Receiver Section

    Center Wavelength

    lo

    770

    850

    860

    nm

    Receiver Sensitivity

    Rsen

    -19

    dBm

    Receiver Overload

    Rov

    -3

    dBm

    Return Loss

    12

    dB

    LOS Assert

    LOSA

    -32

    dBm

    LOS Dessert

    LOSD

    -19

    dBm

    LOS Hysteresis

    0.5

    5

    6. 电学特性

    (Ambient Operating Temperature0°C to +70°C, Vcc =3.3 V)

    Parameter

    Symbol

    Min.

    Typ.

    Max.

    unit

    Transmitter Section

    Input Differential Impendence

    Zin

    90

    100

    110

    Ohm

    Data Input Swing Differential

    Vin

    500

    2400

    mV

    TX Disable

    Disable

    2.0

    Vcc

    V

    Enable

    0

    0.8

    V

    TX Fault

    Assert

    2.0

    Vcc

    V

    Deassert

    0

    0.8

    V

    Receiver Section

    Output differential impendence

    Zout

    100

    Ohm

    Data Input Swing Differential

    Vout

    370

    2000

    mV

    Rx_LOS

    Assert

    2.0

    Vcc

    V

    Deassert

    0

    0.8

    V



    7. 脚位说明

    Pins

    Name

    Discription

    NOTE

    1

    VeeT

    Transmitter Ground

    2

    Tx Fault

    Transmitter Fault Indication

    1

    3

    Tx Disable

    Transmitter Disable

    2

    4

    MOD DEF2

    Module Definition 2

    3

    5

    MOD DEF1

    Module Definition 1

    3

    6

    MOD DEF0

    Module Definition 0

    3

    7

    Rate Select

    Not Connected

    8

    LOS

    Loss of Signal

    4

    9

    VeeR

    Receiver Ground

    10

    VeeR

    Receiver Ground

    11

    VeeR

    Receiver Ground

    12

    RD-

    Inv. Received Data Output

    5

    13

    RD+

    IReceived Data Output

    5

    14

    VeeR

    Receiver Ground

    15

    VccR

    Receiver Power

    16

    VccT

    Transmitter Power

    17

    VeeT

    Transmitter Ground

    18

    TD+

    Transmit Data Input

    6

    19

    TD-

    Inv. Transmit Data Input

    6

    20

    VeeT

    Transmitter Ground

    Notes:

    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 (0~0.8V): Transmitter on

    (>0.8V, <2.0V): Undefined

    High (2.0~3.465V): Transmitter Disabled

    Open: Transmitter Disabled

    3. MOD-DEF 0,1,2 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 on the host board to a voltage between 2.0V and Vcc+0.3V. Logic 0 indicates normal operation; logic 1 indicates loss of signal. In the low state, the output will be pulled to less than 0.8V.


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

    6. These are the differential transmitter inputs. They are AC-coupled, differential lines with 100Ω differential termination inside the module.

    8. 电路用途介绍

    10. 外形尺寸图

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