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ADN4670:  Programmable Low Voltage 1:10 LVDS Clock Driver

Product Details

Product Status:Recommended for New Designs

The ADN4670 is a low voltage differential signaling (LVDS) clock driver that expands a differential clock input signal to 10 differential clock outputs. The device is programmable using a simple serial interface, so that one of two clock inputs can be selected (CLK0/CLK0 or CLK1/CLK1) and any of the differential outputs (Q0/Q0 to Q9/Q9) can be enabled or disabled (tristated). The ADN4670 is designed for use in 50 Ω transmission line environments.

When the enable input EN is high, the device may be pro-grammed by clocking 11 data bits into the shift register. The first 10 bits determine which outputs are enabled (0 = disabled, 1 = enabled), while the 11th bit selects the clock input (0 = CLK0, 1 = CLK1). A 12th clock pulse transfers data from the shift register to the control register.

The ADN4670 is fully specified over the industrial temperature range and is available in a 32-lead LFCSP package.


Applications
  • Clock distribution networks
  • FEATURES and BENEFITS

    • Low output skew <30 ps (typical)
    • Distributes one differential clock input to 10 LVDS clock outputs
    • Programmable—one of two differential clock inputs can be selected (CLK0, CLK1) and individual differential clock outputs enabled/disabled
    • Signaling rate up to 1.1 GHz (typical)
    • 2.375 V to 2.625 V power supply range
    • ±100 mV differential input threshold
    • Input common-mode range from rail-to-rail
    • I/O pins fail-safe during power-down: VDD = 0 V
    • Available in 32-lead LFCSP package
    • Industrial operating temperature range: −40°C to +85°C

    Functional Block Diagram for ADN4670

    Documentation

    Title Content Type File Type
    ADN4670: Programmable Low Voltage 1:10 LVDS Clock Driver (Rev A, 01/2012) (pdf, 164 kB) Data Sheets PDF
    AN-1176: Component Footprints and Symbols in the Binary .Bxl File Format  (pdf, 671 kB) Application Notes PDF
    AN-1177: LVDS and M-LVDS Circuit Implementation Guide  (pdf, 586 kB) Application Notes PDF
    RAQs index Rarely Asked Questions HTML
    Glossary of EE Terms Glossary HTML

    Evaluation Kits & Symbols & Footprints

    Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

    SampleSample & Buy

    Price, packaging, availability

    ADN4670 Model Options
    Model Package Pins Temp.
    Range
    Packing,
    Qty
    Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
    Purchase/Sample
    ADN4670BCPZ Status: Production 32 ld LFCSP (5x5mm) w/3.1mm exposed pad 32 Ind Tray, 490 $5.46 $4.75 Y  Material Info PCN Purchase Sample
    ADN4670BCPZ-REEL7 Status: Production 32 ld LFCSP (5x5mm) w/3.1mm exposed pad 32 Ind Reel, 1500 - $4.75 Y  Material Info PCN Purchase
    ADN4670BSTZ Status: Production LQFP 1.4 MM 32 Ind Tray, 250 $5.46 $4.75 Y  Material Info Notify Me Purchase Sample
    ADN4670BSTZ-REEL7 Status: Production LQFP 1.4 MM 32 Ind Reel, 500 - $4.75 Y  Material Info Notify Me Purchase
    Price Table Help

    The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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