AD9954 DDS Signal Generator Module 400M Frequency RF Signal Source Development

AD9954 DDS Signal Generator Module 400M Frequency RF Signal Source Development
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Oписание продукта

Highlights:

  • AD9954 high-speed DDS module
  • Two-way complementary sine wave output3
  • Two-way plus 150MHz official low-pass filter
  • One-way square wave output
  • Concenient to use
  • Lower power consumption than 9854
  • Using AMS1117 to power AD9954 to ensure its stability


Chip Features:

  • 400 MSPS internal clock speed
  • Integrated 14-bit DAC
  • Programmable phase/amplitude dithering
  • 32-bit frequency tuning accuracy
  • 14-bit phase tuning accuracy
  • Phase noise better than –120 dBc/Hz
  • Excellent dynamic performance
  • >80 dB narrowband SFDR
  • Serial input/output (I/O) control
  • Ultrahigh speed analog comparator
  • Automatic linear and nonlinear frequency sweeping
  • 4 frequency/phase offset profiles
  • 1.8 V power supply
  • Software and hardware controlled power-down
  • 48-lead TQFP
  • Integrated 1024 word × 32-bit RAM
  • PLL-based REFCLK multiplier
  • Internal oscillator, can be driven by a single crystal
  • Phase modulation capability
  • Multichip synchronization


Applications:

  • Agile LO frequency synthesis
  • Programmable clock generators
  • FM chirp source for radar and scanning systems
  • Automotive radars
  • Test and measurement equipment
  • Acousto-optic device drivers

 

General Description:
 
The AD9954 is a direct digital synthesizer (DDS) that uses advanced technology, coupled with an internal high speed, high performance DAC to form a complete, digitally programmable, high frequency synthesizer capable of generating a frequencyagile analog output sinusoidal waveform at up to 160 MHz. The AD9954 enables fast frequency hopping coupled with fine tuning of both frequency (0.01 Hz or better) and phase (0.022°granularity).
 
The AD9954 is programmed via a high speed serial I/O port. The device includes static RAM to support flexible frequency sweep capability in several modes, plus a user-defined linear sweep mode of operation. Also included is an on-chip high speed comparator for applications requiring a square wave output. An on-chip oscillator and PLL circuitry provide users with multiple approaches to generate the device\'s system clock.
 

The AD9954 is specified to operate over the extended industrial temperature range.

Supply Voltage Range: 5V-12V

 

Dimensions: 61mm * 52mm

Package include
  • 1× Module