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    10G CWDM ER 40KM SFP+ Transceiver

    10G SFP+ CWDM ER 40KM Compatible Transceiver

    SFP+ ER CWDM Transceiver is designed for 10GBASE-ER/EW, and 8.5G/10G Fiber- Channel applications, fully tested compatible for over 100 vendors.

    Features

    * Compliant with SFF-8413 and IEE802.3ae

    * Data rate selectable ≤4.25Gbps or 9.95Gbps to 10.3Gbps bit rates

    * Cooled EML transmitter and PIN receiver

    * Wavelength selectable to ITU-T standards covering CWDM grid wavelengths  

    * link length up to 40km

    * Low Power Dissipation 1.5W Maximum

    * 0ºC to 70ºC Operating Case Temperature

    * Single 3.3V power supply

    * Diagnostic Performance Monitoring of module temperature, supply Voltages, laser bias current, transmit optical power, receive optical power

    * RoHS compliant and lead free

    Applications

    * 10GBASE-ER/EW (with/without FEC)

    * 10G Fiber Channel (with/without FEC)

     

    Description

    SFP+ ER CWDM Transceiver is designed for 10GBASE-ER/EW, and 8.5G/10G Fiber- Channel applications. The transceiver consists of two sections: The transmitter section incorporates a colded EML laser. And the receiver section consists of a PIN photodiode integrated with a TIA. All modules satisfy class I laser safety requirements. Digital diagnostics functions are available via a 2-wire serial interface, as specified in SFF-8472, which allows real-time access to device operating parameters such as transceiver temperature, laser bias current, transmitted optical power, received optical power and transceiver supply voltage.

     

    Absolute Maximum Ratings

    Parameter

    Symbol

    Min

    Max

    Unit

    Supply Voltage 

    Vcc

    -0.5

    3.8

    V

    Storage Temperature

    Tst

    -40

    85

    ºC

    Relative Humidity

    Rh

    0

    85

    %

     

     

     

    Operating Conditions

    Parameter

    Symbol

    Min

    Typical

    Max

    Unit

    Supply Voltage

    Vcc

    3.13

    3.3

    3.47

    V

    Supply current

    Icc

     

    360

    450

    mA

    Operating Case temperature

    Tca

    -5

    -

    70

    ºC

    Module Power Dissipation

    Pm

    -

    1.2

    1.5

    W

    Notes:

    [1] Supply current is shared between VCCTX and VCCRX.

    [2] In-rush is defined as current level above steady state current requirements.

     

    Transmitter Specifications – Optical

    Parameter

    Symbol

    Min

    Typical

    Max

    Unit

    Center Wavelength

    lc

    1464.5

     

    1617.5

    nm

    Center wavelength stability

     

    DlD

    -6.5

    lc

    6.5

    nm

    Optical Average Power

    Po

    0

    -

    +3

    dBm

    Optical OMA Power

    Pom

    -2.1

     

     

    dBm

    Side Mode Suppression Ratio

    SMSR

    30

    -

    -

    dB

    Optical Transmit Power (disabled)

    PTX_DISABLE

    -

    -

    -30

    dBm

    Extinction Ratio

    ER

    8.2

     

    -

    dB

    RIN21OMA [1]

     

     

     

    -128

    dB/Hz

    Optical Return Loss Tolerance

     

     

     

    21

    dB

    Notes:

    [1] RIN measurement is made with a return loss at 21 dB.

     

    Transmitter Specifications – Electrical

    Parameter

    Symbol

    Min

    Typical

    Max

    Unit

    Data Rate

    Mra

    -

    10.3

    11.3

    Gbps

    Input differential impedance

    Rim

    -

    100

    -

    Ω

    Differential data Input

    VtxDIFF

    120

    -

    850

    mV

    Transmit Disable Voltage

    VD

    2.0

    -

    Vcc3+0.3

    V

    Transmit Enable Voltage

    Ven

    0

    -

    +0.8

    V

    Transmit Disable Assert Time

    Vn

    -

    -

    100

    us

     

    Receiver Specifications – Optical

    Parameter

    Symbol

    Min

    Typical

    Max

    Unit

    Input Operating Wavelength

    λ

    1260

    -

    1620

    nm

    Average receive power

     

    -

    -

    -1.0

    dBm

    Receiver sensitivity in OMA

     

    -

    -

    -14.1

    dBm

    Stressed receiver sensitivity  in OMA[1]

     

     

     

     

    -11.3

    dBm

    Maximum Input Power

    RX-overload

    -

    -

    -1

    dBm

    Reflectance

    Rrx

    -

    -

    -27

    dB

    Loss of Signal Asserted

     

    -25

    -

    -

    dBm

    LOS De-Asserted

     

    -

    -

    -16

    dBm

    LOS Hysteresis

     

    0.5

    -

    -

    dB

    Notes:

    [1] Measured with conformance test signal for BER = 10–12. The stressed sensitivity values in the table are for system level BER measurements which include the effects of CDR circuits. It is recommended that at least 0.4 dB additional margin be allocated if component level measurements are made

    without the effects of CDR circuits.

     

    Receiver Specifications – Electrical

    Parameter

    Symbol

    Min

    Typical

    Max

    Unit

    Data Rate

    Mra

    -

    10.3

    11.3

    Gbps

    Differential Output Swing

    Vout P-P

    350

    -

    850

    mV

    Rise/Fall Time

    Tr / Tf

    24

    -

    -

    ps

    Loss of Signal –Asserted

    VOH

    2

    -

    Vcc3+0.3-

    V

    Loss of Signal –Negated

    VOL

    0

    -

    +0.4

    V

     

     

     

            Figure1.Electrical Pin-out Details

     

     

     

     

     

    Pin Descriptions

    Pin

    Symbol

    Name/Description

    1

    VEET [1]

    Transmitter Ground

    2

    Tx_FAULT [2]

    Transmitter Fault

    3

    Tx_DIS   [3]

    Transmitter Disable. Laser output disabled on high or open

    4

    SDA [2]

    2-wire Serial Interface Data Line

    5

    SCL [2]

    2-wire Serial Interface Clock Line

    6

    MOD_ABS [4]

    Module Absent. Grounded within the module

    7

    RS0 [5]

    RS0 for Rate Select: Open or Low = Module supports ≤4.25Gbps

    High = Module supports 9.95 Gb/s to 10.3125 Gb/s

    8

    RX_LOS [2]

    Loss of Signal indication. Logic 0 indicates normal operation

    9

    RS1 [5]

    No connection required

    10

    VEER [1]

    Receiver Ground

    11

    VEER [1]

    Receiver Ground

    12

    RD-

    Receiver Inverted DATA out. AC Coupled

    13

    RD+

    Receiver DATA out. AC Coupled

    14

    VEER [1]

    Receiver Ground

    15

    VCCR

    Receiver Power Supply

    16

    VCCT

    Transmitter Power Supply

    17

    VEET [1]

    Transmitter Ground

    18

    TD+

    Transmitter DATA in. AC Coupled

    19

    TD-

    Transmitter Inverted DATA in. AC Coupled

    20

    VEET [1]

    Transmitter Ground

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