National Semiconductor | High-performance Analog

 

 LMK02002   
Precision Clock Distributor with Integrated PLL from the PowerWise® Family		 Click link to Download

Features

  • 20 fs additive jitter
  • Integrated Integer-N PLL with outstanding normalized phase noise contribution of -224 dBc/Hz
  • Clock output frequency range of 1 to 800 MHz
  • 4 LVPECL clock outputs
  • Dedicated divider and delay blocks on each clock output
  • Pin compatible family of clocking devices
  • 3.15 to 3.45 V operation
  • Package: 48 pin LLP (7.0 x 7.0 x 0.8 mm)

    • Description

    The LMK02002 precision clock conditioner combines the functions of jitter cleaning/reconditioning, multiplication, and distribution of a reference clock. The device integrates a high performance Integer-N Phase Locked Loop (PLL), and four LVPECL clock output distribution blocks.

    Each clock distribution block includes a programmable divider, a phase synchronization circuit, a programmable delay, a clock output mux, and an LVPECL output buffer. This allows multiple integer-related and phase-adjusted copies of the reference to be distributed to eight system components.

    The clock conditioner comes in a 48-pin LLP package and is footprint compatible with other clocking devices in the same family.

    Also Recommended
    LMK01000Distribution, Divide, And Delay Only
    LMK02000▲Includes PLL For Use With External VCO/VCXO.
    LMK03200▲0-delay Outputs With PLL+VCO For Jitter Cleaning And Clock Generation

    Parameters / ValuesLMK02002 LMK02000 LMK03200
    Max Output Clock Freq800 MHz 800 MHz 1296 MHz
    PLL TypePLL only PLL only PLL + VCO
    RMS Jitter0.2 ps 0.2 ps 0.8 ps
    LVDS Outputs0 3 3
    LVPECL Outputs4 5 5
    LVCMOS Outputs0 0 0
    Power Consumption0.8184 Watt 1.125 Watt 1.1797 Watt
    PowerWise Rating 640.92 mW x ps /ch 28.125 mW x ps /ch 104.8622222 mW x ps /ch
    Min Supply Voltage3.15 Volt 3.15 Volt 3.15 Volt
    Max Supply Voltage3.45 Volt 3.45 Volt 3.45 Volt
    Temperature Min-40 deg C -40 deg C -40 deg C
    Temperature Max85 deg C 85 deg C 85 deg C
    PowerWiseYes Yes No

    Datasheets
    TitleSizeDateOther
    Language
    LMK02002 Precision Clock Distributor with Integrated PLL425
    Kbytes    		16-Aug-07日本語  


    Application Notes
    TitleSizeDateOther
    Language
    AN-1821: Application Note 1821 CPRI Repeater System1497
    Kbytes    		15-May-08 


    Other Technical Documents
    TitleTypeDate
    Clock Conditioner Owner's ManualDesign Guide 2006-11-10

    Part Number(s)
    (NSID)    		Top ViewAvailabilityCurrent Reported StockBudgetary PricingPack
    Size
    LMK02002ISQ/NOPB


    RoHS Status

    LLP    		Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    DIGI-KEYWorldwide0
    MOUSERWorldwide208
    		$7.00 each at 1K+ pcsreel
    of
    250
    LMK02002ISQX/NOPB


    RoHS Status

    LLP    		Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    DIGI-KEYWorldwide0
    		$7.00 each at 1K+ pcsreel
    of
    2500

    All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

    Moisture Sensitivity Level Data for LMK02002.

    A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

    National's certificate of product compliance for LMK02002 is located at RoHS Status.

    Part Number(s)
    (NSID)    		Weight
    (milligrams)    		TypePinsMSL RatingPeak ReflowRoHS
    Status    		CAD SymbolsModelsPackage
    Marking
    Format
    LMK02002ISQ/NOPB

    		123.191
    		LLP483260DetailDownloadN/A
    		NS
    UZXYTTE#
    K02002 I
    LMK02002ISQX/NOPB

    		123.191
    		LLP483260DetailDownloadN/A
    		NS
    UZXYTTE#
    K02002 I

    All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

    Moisture Sensitivity Level Data for LMK02002.

    A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

    National's certificate of product compliance for LMK02002 is located at RoHS Status.

    Reliability Metrics
    Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
    LMK02002ISQBICMOS8B+036320027622922783807897
    LMK02002ISQXBICMOS8B+036320027622922783807897

    Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

    For more information on Reliability Metrics, please click here.


    All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

    Moisture Sensitivity Level Data for LMK02002.

    A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

    National's certificate of product compliance for LMK02002 is located at RoHS Status.

    Clock Design Tool - Getting Started
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    Clock Design Tool - Device Simulation
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    Clock Design Tool - Loop Filter Design
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    Clock Design Tool - Getting Started
    Date: 2010-03-22
    Length: 0:11:48
    Clock Design Tool - Device Simulation
    Date: 2010-03-22
    Length: 0:08:52
    Clock Design Tool - Loop Filter Design
    Date: 2010-03-22
    Length: 0:05:31
    [Information as of 9-Feb-2012]
    Copyright © 2011 National Semiconductor Corporation