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AD9951/PCB Datasheet

Part Name
Description
MFG CO.
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GENERAL DESCRIPTION
The AD9951 is a direct digital synthesizer (DDS) featuring a 14-bit DAC operating up to 400 MSPS. The AD9951 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 200 MHz. The AD9951 is designed to provide fast frequency hopping and fine tuning resolution (32-bit frequency tuning word). The frequency tuning and control words are loaded into the AD9951 via a serial I/O port.
The AD9951 is specified to operate over the extended industrial temperature range of –40°C to +105°C.

FEATURES
   400 MSPS internal clock speed
   Integrated 14-bit DAC
   32-bit tuning word
   Phase noise ≤ –120 dBc/Hz @ 1 kHz offset (DAC output)
   Excellent dynamic performance
      >80 dB SFDR @ 160 MHz (±100 kHz offset) AOUT
   Serial I/O control
   1.8 V power supply
   Software and hardware controlled power-down
   48-lead TQFP/EP package
   Support for 5 V input levels on most digital inputs
   PLL REFCLK multiplier (4× to 20×)
   Internal oscillator, can be driven by a single crystal
   Phase modulation capability
   Multichip synchronization

APPLICATIONS
   Agile LO frequency synthesis
   Programmable clock generators
   Test and measurement equipment
   Acousto-optic device drivers

 

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