1.25G SFP Optical Module

1.25G SFP Optical Module

Short Description:

INFORMATION Description:    The 1.25G SFP optical module is  Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). They simultaneously comply with Gigabit Ethernet as specified in IEEE Std 802.31 and 1x and 2x Fiber Channel as defined in FC-PI 13.03. The 1000BASE-LX/LH (long wavelength/long haul) SFP module interfaces fully comply with the IEEE 802.3z 1000BASE-LX standard.Their higher optical quality allows them ...


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  • Description

    Specification

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    The 1.25G SFP optical module is Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). They simultaneously comply with Gigabit Ethernet as specified in IEEE Std 802.31 and 1x and 2x Fiber Channel as defined in FC-PI 13.03.
    The 1000BASE-LX/LH (long wavelength/long haul) SFP module interfaces fully comply with the IEEE 802.3z 1000BASE-LX standard.Their higher optical quality allows them to reach 6.2 miles (10 km) to 62.1 miles(100km) over single-mode fiber (SMF) .

    Features:

    Up to 1.25Gb/s bi-directional data links
    Hot-pluggable SFP footprint
    1310/1550nm FP/DFB, SM Fiber
    Duplex LC connector
    Very low jitter
    Up to 100km on 9/125μm SMF
    Metal enclosure, for lower EMI
    Single 3.3V power supply
    Low power dissipation

    Absolute Maximum Ratings:

     

    Parameter

    Symbol

    Min

    Typ

    Max

    Unit

    Ref.

    Maximum Supply Voltage

    Vcc

    0.5

    4.5

    V

    Storage Temperature

    TS

    -40

    100

    Case Operating Temperature

    TOP

    -40

    85

    Relative Humidity

    RH

    0

    85

    %

    1

     

     Electrical Characteristics (TOP = -40 to 85 ℃, VCC = 3.00 to 3.60 Volts)

    Parameter

    Symbol

    Min

    Typ

    Max

    Unit

    Ref.

    Supply Voltage

    Vcc

    3.00

    3.60

    V

    Supply Current

    Icc

    200

    300

    mA

    Transmitter

    Input differential impedance

    Rin

    100

    Ω

    2

    Single ended data input swing

    Vin,pp

    250

    1200

    mV

    Transmit Disable Voltage

    VD

    Vcc – 1.3

    Vcc

    V

    Transmit Enable Voltage

    VEN

    Vee

    Vee+ 0.8

    V

    3

    Transmit Disable Assert Time

    10

    us

    Receiver

    Single ended data output swing

    Vout,pp

    300

    400

    800

    mV

    4

    Data output rise time

    tr

    100

    175

    ps

    5

    Data output fall time

    tf

    100

    175

    ps

    5

    LOS Fault

    VLOS fault

    Vcc – 0.5

    VccHOST

    V

    6

    LOS Normal

    VLOS norm

    Vee

    Vee+0.5

    V

    6

    Power Supply Rejection

    PSR

    100

    mVpp

    7

    Deterministic Jitter Contribution

    RX Δ DJ

    51.7

    ps

    8

    Total Jitter Contribution

    RX Δ TJ

    122.4

    ps

    Notes:

    1. Non condensing.

    2. AC coupled.

    3. Or open circuit.

    4. Into 100 ohm differential termination.

    5. 20 – 80 %

    6. LOS is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected.

    7. All transceiver specifications are compliant with a power supply sinusoidal modulation of 20 Hz to 1.5 MHz up to specified value applied through the power supply filtering network shown on page 23 of the Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA), September 14, 2000.

    8. Measured with DJ-free data input signal. In actual application, output DJ will be the sum of input DJ and DDJ.

    Optical Characteristics (TOP = 0 to 70℃, VCC = 3.00 to 3.60 Volts)

    Parameter

    Symbol

    Min

    Typ

    Max

    Unit

    Ref.

    Transmitter

    Output Opt. Power

    POUT

    -9

    -3

    dBm

    1

    Optical Wavelength

    λ

    1270

    1310

    1360

    nm

    2

    Spectral Width

    σ

    3

    nm

    2

    Optical Modulation Amplitude

    OMA

    174

    μW

    2,3

    Optical Rise/Fall Time

    tr/ tf

    100

    160

    ps

    4

    RIN

    -120

    dB/Hz

    Deterministic Jitter Contribution

    TX Δ DJ

    20

    56.5

    ps

    5

    Total Jitter Contribution

    TX Δ TJ

    70

    119

    ps

    Optical Extinction Ratio

    ER

    9

    dB

    Receiver

    Average Rx Sensitivity @ 2.125

    RSENS1

    -21

    dBm

    6, 7

    Gb/s (2X Fiber Channel)

    Average Rx Sensitivity @ 1.25 Gb/s

    RSENS2

    -22

    dBm

    6, 7

    (Gigabit Ethernet)

    Average Rx Sensitivity @ 1.06 Gb/s

    RSENS1

    -22

    dBm

    6, 7

    (1X Fiber Channel)

    Stressed RX sens. =1.25 Gb/s

    -18

    -14.5

    dBm

    Average Received Power

    RxMAX

    0

    dBm

    Receiver Elec. 3 dB cutoff freq.

    1500

    MHz

    Optical Center Wavelength

    λC

    1265

    1600

    nm

    Return Loss

    12

    dB

    LOS De-Assert

    LOSD

    -23

    -19

    dBm

    LOS Assert

    LOSA

    -30

    -25

    dBm

    LOS Hysteresis

    0.5

    dB

    Notes:

    1. Class 1 Laser Safety per FDA/CDRH and EN (IEC) 60825 regulations.

    2. Also specified to meet curves in FC-PI 13.0 Figures 18 and 19, which allow trade-off between

    wavelength, spectral width and OMA.

    3. Equivalent extinction ratio specification for Fiber Channel. Allows smaller ER at higher average power.

    4. Unfiltered, 20-80%. Complies with IEEE 802.3 (Gig. E), FC 1x and 2x eye masks when filtered.

    5. Measured with DJ-free data input signal. In actual application, output DJ will be the sum of input DJ and DDJ.

    6. Measured with conformance signals defined in FC-PI 13.0 specifications.

    7. Measured with PRBS 27-1 at 10-12 BER

    •Switch to switch interface
    •High speed I/O for file servers .
    •Bus extension applications
    20140325031357_3461

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