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

Product Details


Newer Alternatives:
  • AD9125: Dual, 16-Bit, 1000 MSPS, TxDAC+® Digital-to-Analog Converter
  • AD9779A: Dual 16-Bit, 1 GSPS, Digital-to-Analog Converter

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

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.


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