DESCRIPTION

· The AD9951 is a high-performance, 400 MSPS, 14-bit CMOS Direct Digital Synthesizer (DDS) with an integrated DAC, designed for precision frequency synthesis and agile local oscillator applications.

FEATURES

· 400 MSPS internal clock speed for high-speed signal generation.
· Integrated 14-bit DAC for precise analog output.
· Low phase noise ≤ −120 dBc/Hz at 1 kHz offset.
· Excellent dynamic performance with >80 dB SFDR at 160 MHz.
· 1.8 V power supply for low power consumption.
· 48-lead TQFP/EP package for compact design.
· Phase modulation and multichip synchronization capabilities.
· PLL REFCLK multiplier (4× to 20×) for flexible clock generation.

APPLICATIONS

· Agile local oscillator (LO) frequency synthesis in communication systems.
· Programmable clock generators for various electronic systems.
· Test and measurement equipment for accurate signal generation.
· Acousto-optic device drivers for precise control of optical systems.