製品概要

機能と利点

  • 1 GSPS internal clock speed (up to 400 MHz analog output)
  • Integrated 1 GSPS 14-bit DAC
  • 250 MHz I/Q data throughput rate
  • Phase noise ≤ −125 dBc/Hz (400 MHz carrier @ 1 kHz offset)
  • Excellent dynamic performance >80 dB narrow-band SFDR
  • 8 programmable profiles for shift keying
  • Sin(x)/(x) correction (inverse sinc filter)
  • Reference clock multiplier
  • Internal oscillator for a single crystal operation
  • Software and hardware controlled power-down
  • Integrated RAM
  • Phase modulation capability
  • Multichip synchronization
  • Easy interface to Blackfin SPORT
  • Interpolation factors from 4× to 252×
  • Interpolation DAC mode
  • Gain control DAC
  • Internal divider allows references up to 2 GHz
  • 1.8 V and 3.3 V power supplies
  • 100-lead TQFP_EP package

製品概要

The AD9957 is a 1 GSPS quadrature digital upconverter with a 14-bit DAC. 

The evaluation board software provides a graphical user interface for easy communication with the device along with many user friendly features such as the mouse-over effect, which clarifies elements by hovering the mouse over the element.

Use the user guide in conjunction with the AD9957 data sheet.

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