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SP28-DPxMxxWG 25G SFP28 DAC

SFP28 25Gb/s Direct Attached Cable
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SP28-DPxMxxWG 25G SFP28 DAC


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  • 产品描述
    • Commodity name: SP28-DPxMxxWG 25G SFP28 DAC

    SFP28 25Gb/s Direct Attached Cable

    SP28-DPxxMxxWG

    SFP28 25Gb/s Direct Attached Cable

     

    PRODUCT FEATURES

    ● Up to 25.78125 Gbps data rate

    ● Up to 7meter transmission

    ● Hot-pluggable SFP 20PIN footprint 

    ● Compliant with SFF-8402 and SFF-8432 

    ● Temperature Range: 0~ 70 °C

    ● RoHS Compliant

     

    APPLICATIONS

    25G Ethernet

     

    PRODUCT DESCRIPTION

    The SFP28 passive cable assemblies are high performance, cost effective I/O solutions for 25G Ethernet. SFP28 copper cables allow hardware manufactures to achieve high port density, configurability and utilization at a very low cost and reduced power budget.

     

    Ordering Information

    Part Number

    Description

    SP28-DP1M30WG

    25G SFP28 DAC Passive cable 30AWG 1M

    SP28-DP2M30WG

    25G SFP28 DAC Passive cable 30AWG 2M

    SP28-DP3M30WG

    25G SFP28 DAC Passive cable 30AWG 3M

    SP28-DP3M30WG

    25G SFP28 DAC Passive cable 26AWG 3M

    SP28-DP5M26WG

    25G SFP28 DAC Passive cable 26AWG 5M

    SP28-AP7M26WG

    25G SFP28 DAC Active cable 26AWG 7M

     

    High Speed Characteristics

    Parameter

    Symbol

    Min

    Typical

    Max

    Unit

    Note

    Differential Impedance

    TDR

    90

    100

    110

    ohms

     

    Insertion loss

    SDD21

    8

     

    22.48

    dB

    At 12.8906 GHz

    Differential Return Loss

    SDD11

    SDD22

    12.45

     

    See 1

    dB

    At 0.05 to 4.1 GHz

    3.12

     

    See 2

    dB

    At 4.1 to 19 GHz

    Common-mode to common-mode output return loss

    SCC11

    SCC22

    2

     

     

    dB

    At 0.2 to 19 GHz

    Differential to common-mode

    return loss

    SCD11

    SCD22

    12

     

    See 3

    dB

    At 0.01 to 12.89 GHz

    10.58

     

    See 4

    At 12.89 to 19 GHz

    Differential to common Mode

    Conversion Loss

    SCD21-IL

    10

     

     

    dB

    At 0.01 to 12.89 GHz

     

     

    See 5

    At 12.89 to 15.7 GHz

    6.3

     

     

    At 15.7 to 19 GHz

    Channel Operating Margin

    COM

    3

     

     

    dB

     

    Notes:

    Reflection Coefficient given by equation SDD11(dB) < 16.5 - 2 × SQRT(f ), with f in GHz

    Reflection Coefficient given by equation SDD11(dB) < 10.66 - 14 × log10(f/5.5), with f in GHz

    Reflection Coefficient given by equation SCD11(dB) < 22 - (20/25.78)*f, with f in GHz

    Reflection Coefficient given by equation SCD11(dB) < 15 - (6/25.78)*f, with f in GHz

    Reflection Coefficient given by equation SCD21(dB) < 27 - (29/22)*f, with f in GHz

     

     

    SFP28 Pin Function Definition

     

    Pin

    Logic

    Symbol

    Name/Description

    Notes

    1

     

    VeeT

    Transmitter Ground

     

    2

    LV-TTL-O

    TX_Fault

    N/A

    1

    3

    LV-TTL-I

    TX_DIS

    Transmitter Disable

    2

    4

    LV-TTL-I/O

    SDA

    Tow Wire Serial Data

     

    5

    LV-TTL-I

    SCL

    Tow Wire Serial Clock

     

    6

     

    MOD_DEF0

    Module present, connect to VeeT

     

    7

    LV-TTL-I

    RS0

    N/A

    1

    8

    LV-TTL-O

    LOS

    LOS of Signal

    2

    9

    LV-TTL-I

    RS1

    N/A

    1

    10

     

    VeeR

    Reciever Ground

     

    11

     

    VeeR

    Reciever Ground

     

    12

    CML-O

    RD-

    Reciever Data Inverted

     

    13

    CML-O

    RD+

    Reciever Data Non-Inverted

     

    14

     

    VeeR

    Reciever Ground

     

    15

     

    VccR

    Reciever Supply 3.3V

     

    16

     

    VccT

    Transmitter Supply 3.3V

     

    17

     

    VeeT

    Transmitter Ground

     

     

    18

    CML-I

    TD+

    Transmitter Data Non-Inverted

     

     

    19

    CML_I

    TD-

    Transmitter Data Inverted

     

     

    20

     

    VeeT

    Transmitter Ground

     

    1.

    Signals not supported in SFP+ Copper pulled-down to VeeT with 30K ohms resistor

     

    2.

    Passive cable assemblies do not support

    LOS and TX_DIS

     

     

    Mechanical Specifications

    The connector is compatible with the SFF-8432 specification.

     

     

     

    Regulatory Compliance

    Feature

    Test Method

    Performance

    Electrostatic Discharge (ESD) to the Electrical Pins

     

    MIL-STD-883C Method 3015.7

     

    Class 1(>2000 Volts)

    Electromagnetic Interference (EMI)

    FCC Class B

    Compliant with Standards

    CENELEC EN55022 Class B

    CISPR22 ITE Class B

    RF Immunity (RFI)

    IEC61000-4-3

    Typically Show no Measurable Effect from a 10V/m Field Swept from 80 to 1000MHz

    RoHS Compliance

    RoHS Directive 2011/65/EU and it's Amendment Directives 6/6

    RoHS 6/6 compliant

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