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AD9739A:  14-Bit, 2.5 GSPS, RF D/A Converter

Product Details

Product Status:Recommended for New Designs

The AD9737A/AD9739A are 11-bit and 14-bit, 2.5 GSPS high performance RF DACs that are capable of synthesizing wideband signals from dc up to 3 GHz. The AD9737A/AD9739A are pin and functionally compatible with the AD9739 with the exception that the AD9737A/AD9739A do not support synchronization or RZ mode, and are specified to operate between 1.6 GSPS and 2.5 GSPS.

By elimination of the synchronization circuitry, some nonideal artifacts such as images and discrete clock spurs remain stationary on the AD9737A/AD9739A between power-up cycles, thus allowing for possible system calibration. AC linearity and noise performance remain the same between the AD9739 and the AD9737A/AD9739A.

The inclusion of on-chip controllers simplifies system integration. A dual-port, source synchronous, LVDS interface simplifies the digital interface with existing FGPA/ASIC technology. On-chip controllers are used to manage external and internal clock domain variations over temperature to ensure reliable data transfer from the host to the DAC core. A serial peripheral interface (SPI) is used for device configuration as well as readback of status registers.

The AD9737A/AD9739A are manufactured on a 0.18 μm CMOS process and operate from 1.8 V and 3.3 V supplies. They are supplied in a 160-ball chip scale ball grid array for reduced package parasitics.

PRODUCT HIGHLIGHTS

  1. Ability to synthesize high quality wideband signals with bandwidths of up to 1.25 GHz in the first or second Nyquist zone.
  2. A proprietary quad-switch DAC architecture provides exceptional ac linearity performance while enabling mix-mode operation.
  3. A dual-port, double data rate, LVDS interface supports the maximum conversion rate of 2500 MSPS.
  4. On-chip controllers manage external and internal clock domain skews.
  5. Programmable differential current output with an 8.66 mA to 31.66 mA range.
  6. APPLICATIONS

    • Broadband communications systems
      DOCSIS CMTS systems
    • Military jammers
    • Instrumentation, automatic test equipment
    • Radar, avionics

FEATURES and BENEFITS

  • Direct RF Synthesis @ 2.5 GSPS Update Rate
    -- DC to 1.25 GHz in Baseband Mode
    -- 1.25 to 3.0 GHz in Mix Mode
  • Industry Leading Single/Multicarrier IF or RF Synthesis
  • Dual-port LVDS data interface
    -- Up to 1.25 GSPS Operation
    -- Source Synchronous DDR clocking
  • Pin-Compatible with AD9739
  • Programmable Output Current:
    8.7 mA to 31.7 mA
  • Low power:
    1.1 W @ 2.5 GSPS

Functional Block Diagram for AD9739A

AD9739A RF DAC and Xilinx FPGA's

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.

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.

Design Tools,Models,Drivers & Software

Title Content Type File Type
AD9739A Evaluation Board, DAC-FMC Interposer & Xilinx Reference Design FPGA HDL HTML
AD9739A Native FMC Card / Xilinx Reference Designs FPGA HDL 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 Source for the AD9739A
  • For a PLL clock source, we recommend the ADF4150.
  • For a PLL clock source with integrated VCO, we recommend the ADF4350.
  • For a clock and data buffer, we recommend the ADCLK914.
  • For multi-chip synchronization, we recommend the ADCLK946.
Recommended Power Solutions
  • For selecting voltage regulator products, use ADIsimPower.

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Price, packaging, availability

AD9739A 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.

AD9739A Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD9739A-EBZ Status: Production Evaluation Board $495.00 Yes -
AD9739A-FMC-EBZ Status: Production Eval Board w/ an FMC connector for Xilinx based FPGA development $349.00 Yes -
AD-DAC-FMC-ADP Status: Production FMC to High-Speed DAC Evalution Board Adaptor $125.00 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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