Features and Benefits

  • 3.5 GSPS internal clock speed
  • Integrated 12-bit DAC
  • Frequency tuning resolution to 190 pHz
  • 16-bit phase tuning resolution
  • 12-bit amplitude scaling
  • Programmable modulus
  • Automatic linear and nonlinear frequency sweeping capability
  • 32-bit parallel datapath interface
  • 8 frequency/phase offset profiles
  • Phase noise: −128 dBc/Hz (1 kHz offset at 1396 MHz)
  • Wideband SFDR <-50 dBc
  • Serial or parallel input/output control
  • 1.8 V / 3.3 V power supplies
  • See data sheet for additional features

Product Details

The AD9914 is a direct digital synthesizer (DDS) featuring a 12-bit DAC targeted at operating up to 3.5 GSPS. The AD9914 uses advanced DDS technology, coupled with an internal high speed, high performance DAC to form a digitally programmable, complete high frequency synthesizer capable of generating a frequency-agile analog output sinusoidal waveform at up to 1.4 GHz. The AD9914 is designed to provide fast frequency hopping and fine tuning resolution (32 bit in standard mode, 64 bit capable using programmable modulus mode). The AD9914 also offers fast phase and amplitude hopping capability. The frequency tuning and control words are loaded into the AD9914 via a serial or parallel input/output port. The AD9914 also supports a user defined linear sweep mode of operation for generating highly linear swept waveforms of frequency, phase or amplitude. A high speed parallel data input port is included enabling high data rates for polar modulation schemes and fast reprogramming of the phase, frequency and amplitude tuning words.

The AD9914 is specified to operate over the extended industrial temperature range (see Absolute Max Ratings table found in the data sheet).


  • Agile LO frequency synthesis
  • Programmable clock generator
  • FM chirp source for radar and scanning systems
  • Test and measurement equipment
  • Acousto-optic device drivers
  • Polar modulator
  • Fast frequency hopping

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.

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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.

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AD9914 Discussions

RE: AD9910 spurs and phase noise
13 week(s) ago in Direct Digital Synthesis (DDS)
RE: amplitude modulation and phase modulation using ad9914 dds ic
16 week(s) ago in Direct Digital Synthesis (DDS)
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Evaluation Boards Pricing displayed is based on 1-piece.
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.