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AD9558:  Quad-Input Multiservice Line Card Adaptive Clock Translator

Product Details

Product Status:Recommended for New Designs

The AD9558 provides synchronization for many systems, including synchronous ethernet (SyncE) and synchronous optical networks (SONET/SDH). The AD9558 generates an output clock synchronized to one of up to four external input references. The digital PLL allows for reduction of input time jitter or phase noise associated with the external references. The AD9558 continuously generates a clean (low jitter), valid output clock even when all references have failed by means of a digitally controlled loop and holdover circuitry.

The AD9558 operates over an industrial temperature range of −40°C to +85°C.

APPLICATIONS

  • Network synchronization including synchronous Ethernet and SDH to OTN mapping / demapping
  • Cleanup of reference clock jitter
  • Frame Sync Support
  • SONET/SDH clocks up to OC-192, including FEC
  • Stratum 3 holdover, jitter cleanup, and phase transient control
  • Wireless base station controllers
  • Cable infrastructure
  • Data communications

FEATURES and BENEFITS

  • Supports Stratum 3 stability in holdover mode
  • Supports smooth reference switchover with virtually no disturbance on output phase.
  • Complies with Telcordia GR-253 Category II Jitter Generation, Transfer, and Tolerance for SONET OC-12 through OC-192
  • Auto/manual holdover and reference switchover
  • Four Reference inputs
    (single-ended or differential)
  • Input reference frequencies from 2 kHz to 1250 MHz
  • Reference validation and frequency monitoring (1 ppm)
  • Programmable input reference switchover priority
  • Output frequencies: 352 Hz to 1250 MHz
  • Programmable digital loop filter covering loop bandwidths from 0.1 Hz to 5 kHz (2 kHz maximum for < 0.1 dB of peaking)
  • Adaptive Clocking
  • See data sheet for additional features

Functional Block Diagram for AD9558

Design Tools,Models,Drivers & Software

Title Content Type File Type
AD9558 IBIS Models IBIS Models HTML

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

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.

Product Recommendations & Reference Designs

Companion Products

Suggested Companion Products


Recommended Clock Drivers for the AD9558 Recommended Linear Regulators for the AD9558
  • For ultralow noise, low dropout, we recommend the ADP150.
Recommended Switching Controller for the AD9558
  • For a dual controller up to 2 x 25A output current, we recommend the ADP1829.

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Price, packaging, availability

AD9558 Model Options
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.

AD9558 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD9558/PCBZ Status: Production Evaluation Board $190.00 Yes -

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.

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