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  2. Clock and Timing
  3. Clock Generation and Distribution
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  5. AD9522-1


Overview

Features and Benefits

  • Low phase noise, phase-locked loop (PLL)
  • On-chip VCO tunes from 2.27 GHz to 2.65 GHz
  • Supports external 3.3 V/5 V VCO/VCXO to 2.4 GHz
  • 1 differential or 2 single-ended reference inputs
  • Accepts CMOS, LVPECL, or LVDS references to 250 MHz
  • Accepts 16.62 MHz to 33.3 MHz crystal for reference input
  • Optional reference clock doubler
  • See data sheet for additional features

Product Details

The AD9522-11 provides a multioutput clock distribution function with subpicosecond jitter performance, along with an on-chip PLL and VCO. The on-chip VCO tunes from 2.27 GHz to 2.65 GHz. An external 3.3 V/5 V VCO/VCXO of up to 2.4 GHz can also be used.

The AD9522 serial interface supports both SPI and I2C® ports. An in-package EEPROM can be programmed through the serial interface and store user-defined register settings for power-up and chip reset.

The AD9522 features 12 LVDS outputs in four groups. Any of the 800 MHz LVDS outputs can be reconfigured as two 250 MHz CMOS outputs.

Each group of outputs has a divider that allows both the divide ratio (from 1 to 32) and the phase (coarse delay) to be set.

The AD9522 is available in a 64-lead LFCSP and can be operated from a single 3.3 V supply. The external VCO can have an operating voltage up to 5.5 V.

The AD9522 is specified for operation over the standard industrial range of −40°C to +85°C.

The AD9520-1 is an equivalent part to the AD9522-1 featuring LVPECL/CMOS drivers instead of LVDS/CMOS drivers.

1The AD9522 is used throughout this data sheet to refer to all the members of the AD9522 family. However, when AD9522-1 is used, it is referring to that specific member of the AD9522 family.

Applications

  • Low jitter, low phase noise clock distribution
  • Clock generation and translation for SONET, 10Ge, 10G FC, and other 10 Gbps protocols
  • Forward error correction (G.710)
  • Clocking high speed ADCs, DACs, DDSs, DDCs, DUCs, MxFEs
  • High performance wireless transceivers
  • ATE and high performance instrumentation
  • Broadband infrastructures

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits (1)

Software & Systems Requirements

Tools & Simulations

IBIS Model

AD9522-x IBIS Models

Design Tool

ADIsimCLK Design and Evaluation Software

ADIsimCLK is the design tool developed specifically for Analog Devices' range of ultra-low jitter clock distribution and clock generation products. Whether your application is in wireless infrastructure, instrumentation, networking, broadband, ATE or other areas demanding predictable clock performance, ADIsimCLK will enable you to rapidly develop, evaluate and optimize your design.

Product Recommendations

AD9522-1 Companion Parts

Recommended Reference Buffer

Recommended Reference Clean Up PLL

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
AD9522-1BCPZ Material Declaration Reliability Data 64-Lead LFCSP (9mm x 9mm w/ EP)
AD9522-1BCPZ-REEL7 Material Declaration Reliability Data 64-Lead LFCSP (9mm x 9mm w/ EP)
Wafer Fabrication Data

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Sample & Buy


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Evaluation Boards

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Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.

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.