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AD9511:  1.2 GHz Clock Distribution IC, PLL Core, Dividers, Delay Adjust, Five Outputs

The AD9511 provides a multi-output clock distribution function along with an on-chip PLL core. The design emphasizes low jitter and low phase noise in order to maximize data converter clocking performance. Three independent LVPECL and two LVDS clock outputs operate to 1.2 GHz and 800 MHz respectively. Optional CMOS clock outputs available to 250 MHz.

The PLL section consists of a ...More

AD9511:  1.2 GHz Clock Distribution IC, PLL Core, Dividers, Delay Adjust, Five Outputs

Product Description

The AD9511 provides a multi-output clock distribution function along with an on-chip PLL core. The design emphasizes low jitter and low phase noise in order to maximize data converter clocking performance. Three independent LVPECL and two LVDS clock outputs operate to 1.2 GHz and 800 MHz respectively. Optional CMOS clock outputs available to 250 MHz.

The PLL section consists of a programmable reference divider, R; a low-noise phase frequency detector, PFD; a precision charge pump, CP; and a programmable feedback divider, N. By connecting an external VCXO or VCO to the CLK2 and CLK2B pins, PLL output frequencies up to 1.6 GHz may be synchronized to the input reference, REFIN.

The clock distribution section provides LVPECL outputs and outputs that may be programmed to either LVDS or CMOS. Each output has a programmable divider, which may be bypassed or set to divide by any integer up to 32.

Each divider allows the user to change the phase of one clock output relative to another clock output. This phase select functions as a coarse timing adjustment. One output also features a programmable delay element with a user-selected, fullscale range to 10 ns. This fine tuning delay block is programmed with a 5-bit word, which gives the user 32 possible delays from which to choose.

The AD9511 is ideally suited for data converter clocking applications where maximum converter performance is achieved with sub-picosecond jitter encode signals.

The AD9511 is available in a 48-lead LFCSP and is specified from -40°C to +85°C. The part may be run from a single 3.3 V supply. Users wishing to extend the voltage range for external VCOs may run the charge pump supply, VCP, to 5.5V.

Applications

  • Low jitter, low phase noise clock distribution
  • Clocking high speed ADCs, DACs, DDS, DDC, DUC, MxFE™ Converters
  • Wireless infrastructure transceivers
  • High performance instrumentation
  • Broadband infrastructure

RESOURCES & TOOLS

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  • Phase locked loop (PLL) Core
    Reference input frequencies to 250 MHz
    Programmable dual-modulus prescaler
    Programmable charge pump (CP) current
    Separate CP supply (VCP) extends tuning range
  • Two 1.6 GHz, differential clock inputs
  • 5 programmable dividers, 1 to 32, all integers
  • Phase select for output-to-output coarse delay adjust
  • Three independent 1.2 GHz LVPECL outputs
    Additive output jitter , 225 fs RMS
  • Two independent 800 MHz/250 MHz LVDS/CMOS outputs
    Additive output jitter, 275 fs RMS
    Fine delay adjust on one output, 5-bit delay words
  • 4-wire or 3-wire serial control port
  • Space-saving 48-lead LFCSP
  • Primary Clock Function: Distribution
  • On-Chip Multiplier: PLL Core
  • +Supply Voltage (V): 3.3V
  • Max Input Frequency: 1.6GHz
  • # of Outputs: 5
  • Max f-out (MHz): 1200MHz
  • I/O Interface: Serial
  • Package: 48-LFCSP
  • Output Logic: CMOS,LVDS,LVPECL
  • Product Description: Multi-Output Clock Generator

Functional Block Diagram for AD9511

Of Note ...

Two evaluation boards are available for the AD9511:
AD9511/PCB: Evaluation Board without VCO or VCXO or loop filter
AD9511-VCO/PCB: Evaluation Board with 245.76MHz VCXO, loop filter

An Overview of the Clock Distribution/Generation Family is available.

Similar Products

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Part# Product Description +Supply Voltage (V) # of Inputs # of Outputs On-Chip VCO or DCO Max f-out (MHz) Output Logic Random Jitter (ps-RMS) Package Price* (1000-4999)
AD9510 Multi-Output Clock Generator 3.3 1 8 No 1200 CMOS, LVDS, LVPECL 0.225 64-LFCSP $12.09
AD9511 Multi-Output Clock Generator 3.3 1 5 No 1200 CMOS, LVDS, LVPECL 0.225 48-LFCSP $10.07
AD9512 Clock Divider 3.3 1 5 No 1200 CMOS, LVDS, LVPECL 0.225 48-LFCSP $9.06
AD9513 Clock Divider 3.3 1 3 No 800 CMOS, LVDS 0.3 32-LFCSP $6.02
AD9514 Clock Divider 3.3 1 3 No 1600 CMOS, LVDS, LVPECL 0.225 32-LFCSP $6.02
AD9515 Clock Divider 3.3 1 2 No 1600 CMOS, LVDS, LVPECL 0.225 32-LFCSP $4.81
AD9516-0 Multi-Output Clock Generator 3.3 2 14 Yes 2950 CMOS, LVDS, LVPECL 0.4 64-LFCSP $12.65
AD9516-1 Multi-Output Clock Generator 3.3 2 14 Yes 2650 CMOS, LVDS, LVPECL 0.4 64-LFCSP $12.65
AD9516-2 Multi-Output Clock Generator 3.3 2 14 Yes 2335 CMOS, LVDS, LVPECL 0.4 64-LFCSP $12.65
AD9516-3 Multi-Output Clock Generator 3.3 2 14 Yes 2250 CMOS, LVDS, LVPECL 0.4 64-LFCSP $12.65
AD9516-4 Multi-Output Clock Generator 3.3 2 14 Yes 1800 CMOS, LVDS, LVPECL 0.4 64-LFCSP $12.65
AD9517-0 Multi-Output Clock Generator 3.3 2 12 Yes 2950 CMOS, LVDS, LVPECL 0.4 48-LFCSP $11.54
AD9517-1 Multi-Output Clock Generator 3.3 2 12 Yes 2650 CMOS, LVDS, LVPECL 0.4 48-LFCSP $11.54
AD9517-2 Multi-Output Clock Generator 3.3 2 12 Yes 2335 CMOS, LVDS, LVPECL 0.4 48-LFCSP $11.54
AD9517-3 Multi-Output Clock Generator 3.3 2 12 Yes 2250 CMOS, LVDS, LVPECL 0.4 48-LFCSP $11.54
AD9517-4 Multi-Output Clock Generator 3.3 2 12 Yes 1800 CMOS, LVDS, LVPECL 0.4 48-LFCSP $11.54
AD9518-0 Multi-Output Clock Generator 3.3 2 6 Yes 2950 LVPECL 0.4 48-LFCSP $9.97
AD9518-1 Multi-Output Clock Generator 3.3 2 6 Yes 2650 LVPECL 0.4 48-LFCSP $9.97
AD9518-2 Multi-Output Clock Generator 3.3 2 6 Yes 2335 LVPECL 0.4 48-LFCSP $9.97
AD9518-3 Multi-Output Clock Generator 3.3 2 6 Yes 2250 LVPECL 0.4 48-LFCSP $9.97
AD9518-4 Multi-Output Clock Generator 3.3 2 6 Yes 1800 LVPECL 0.4 48-LFCSP $9.97
AD9520-0 Multi-Output Clock Generator 3.3 - - Yes 1600 CMOS, LVDS, LVPECL 0.225 - $12.65
AD9520-1 Multi-Output Clock Generator 3.3 1 12 Yes 2650 CMOS, LVPECL 0.225 64-LFCSP $12.65
AD9520-2 Multi-Output Clock Generator 3.3 1 12 Yes 2335 CMOS, LVPECL 0.225 64-LFCSP $12.65
AD9520-3 Multi-Clock Output Generator 3.3 1 12 Yes 2250 CMOS, LVPECL 0.225 64-LFCSP $12.65
AD9520-5 Multi-Output Clock Generator 3.3 1 12 No 2400 CMOS, LVDS, LVPECL 0.225 64-LFCSP $11.50
AD9522-0 Multi-Output Clock Generator 3.3 1 12 Yes 2950 CMOS, LVDS 0.242 64-LFCSP $12.65
AD9522-1 - 3.3 1 12 Yes 2650 CMOS, LVDS 0.242 64-LFCSP $12.65
AD9522-2 Multi-Output Clock Generator 3.3 1 12 Yes 2335 CMOS, LVPECL 0.242 64-LFCSP $12.65
AD9522-3 Multi-Output Clock Generator 3.3 1 12 Yes 2250 CMOS, LVPECL 0.245 64-LFCSP $12.65
AD9522-4 Multi-Output Clock Generator 3.3 1 12 Yes 1600 CMOS, LVDS 0.242 64-LFCSP $12.65
AD9522-5 Multi-Output Clcok Generator 3.3 1 12 No 2400 CMOS, LVDS, LVPECL 0.242 64-LFCSP $10.11
AD9540 Clock Generator Synchronizer 3.3 1 1 No 655 CML, PECL-Compliant 0.7 48-LFCSP $10.07
AD9549 Clock Generator Synchronizer 3.3 2 2 Yes 750 CMOS, HSTL 0.6 64-LFCSP $12.56
AD9551 Multiservice Clock Generator 3.3 2 2 Yes 900 CMOS, LVDS, LVPECL 0.1 40-LFCSP $14.75
ADCLK846 - 1.8 1 6 No 1200 CMOS, LVDS 0.1 24-LFCSP $5.19
ADCLK854 - 1.8 2 12 No 1200 CMOS, LVPECL 0.1 48-LFCSP $5.95
ADCLK905 Clock Buffer 3.3 1 1 No 6000 ECL, LVPECL, PECL 0.06 16-LFCSP $5.67
ADCLK907 Clock Buffer 3.3 2 2 No 6000 ECL, LVPECL, PECL 0.06 16-LFCSP $6.83
ADCLK925 Clock Buffer 3.3 1 2 No 6000 ECL, LVPECL, PECL 0.06 16-LFCSP $5.95
ADCLK946 Six LVPECL Outputs, SiGe Clock Fanout Buffer 3.3 1 6 No 4800 LVPECL 0.075 24-LFCSP $6.25
ADCLK954 - 3.3 2 12 - 4800 LVPECL 0.075 40-LFCSP $6.95
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*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.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.