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AD9786:  16-Bit, 500 MSPS TxDAC+® D/A Converter

Product Details

The AD9786 is the 16-bit member of the latest high-performance TxDAC+® product family. Designed specifically to address multicarrier communications architectures, it achieves true 16-bit linearity and breakthrough noise and intermodulation distortion performance. This record-breaking performance allows synthesis of multicarrier transmit signals at intermediate frequencies (IFs) of 100 to 300 MHz and beyond. As a result, system designers can eliminate an up-conversion stage and reduce overall parts count, ultimately lowering total system cost. Its 2x/4x/8x selectable interpolation filters ease data rate and output signal reconstruction filter requirements.

Applications

  • Multicarrier Basestations: CDMA2000, WCDMA, TD-SCDMA, GSM/EDGE, IS-136, Tetra
  • Instrumentation: RF Signal Generators, Arbitrary Waveform Generators
  • HDTV transmitters
  • Broadband Wireless systems
  • Digital Radio Links
  • Satellite Systems
  • TxDAC+ is a registered trademark of Analog Devices.

    FEATURES and BENEFITS

    • 16-Bit Resolution with Up to 500 MSPS DAC Update Rate
    • Noise Floor Performance: -164 dBm/Hz @ 20 MHz output
    • IMD to 300 MHz: < -70 dBc
    • SFDR @ 10 MHz: 86 dBc
    • DNL: ± 0.75 LSB
    • Selectable 2X/4X/8X High Performance Interpolation Filters: 200 MSPS Data Rate
    • Direct IF Transmission Frequencies
      100-300 MHz and Higher
    • Selectable Data Format:
      Twos Complement or Straight Binary
    • LVTTL/CMOS Compatible Inputs
    • Versatile Clock Interface
    • Programmable via SPI Port

    Functional Block Diagram for AD9786

    For evaluation of all Analog Devices High Speed DAC components you will need to purchase or loan a Data Pattern Generator. To find out more information please click here.

    Documentation

    Title Content Type File Type
    AD9786: 16-Bit, 200 MSPS/500 MSPS TxDAC+® with 2×/4×/8× Interpolation and Signal Processing Data Sheet (Rev B, 10/2005) (pdf, 1522 kB) Data Sheets PDF
    AN-808: Multicarrier CDMA2000 Feasibility  (pdf, 1535 kB)
    The goal of this application note is to determine the feasibility of implementing a multicarrier CDMA2000 transceiver and what the major subsystem performances must be.
    Application Notes PDF
    AN-834: AD9786/AD9726 Calibration Engine  (pdf, 354 kB) Application Notes PDF
    AN-748: Set-Up and Hold Measurements in High Speed CMOS Input DACs  (pdf, 812 kB) Application Notes PDF
    AN-747: Timing Synchronization for Multiple AD9786 TxDACs  (pdf, 2389 kB) Application Notes PDF
    AN-137: A Digitally Programmable Gain and Attenuation Amplifier Design  (pdf, 52 kB) Application Notes PDF
    AN-302: 02: Exploit Digital Advantages in an SSB Receiver  (pdf, 417 kB) Application Notes PDF
    Analog Devices' New Integrated Converter Solutions Reduce Design Costs For Next-Generation Wireless Infrastructures Technical Articles HTML
    Digital to Analog Converters ICs Solutions Bulletin  (pdf) Solutions Bulletins PDF
    RAQs index Rarely Asked Questions HTML
    Glossary of EE Terms Glossary HTML

    Design Tools,Models,Drivers & Software

    Title Content Type File Type
    AD9786 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.

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    Price, packaging, availability

    AD9786 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.

    AD9786 Evaluation Board
    Model Description Price RoHS View PCN/ PDN Check Inventory/
    Purchase/Sample
    AD9786-EBZ Status: Obsolete Evaluation Board - Yes - Contact ADI

    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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