AD9852AST Product Overview

The AD9852AST is a highly integrated device from Analog Devices Inc., a leader in high-performance semiconductors. This Direct Digital Synthesizer (DDS) chip is designed to provide fast frequency hopping and fine-tuning resolution with high spectral purity. The AD9852AST is ideal for applications requiring complex modulation, agile frequency synthesis, and precise clock generation.

Key Features and Benefits

• High-Speed Integrated DDS: The AD9852AST operates at a 300 MHz clock rate, enabling rapid frequency switching and signal generation.
• High Resolution: With its 48-bit frequency tuning word, users can achieve extremely fine frequency resolution, which is essential for various applications such as communications and instrumentation.
• Programmable Digital Filters: It includes digital filters that are programmable, allowing for customizable signal processing and shaping to meet specific application requirements.
• Multiple Outputs: The device offers both sine and cosine outputs, providing flexibility for different signal processing tasks.
• Phase-Locked Loop (PLL) On-Chip: The integrated PLL allows for the generation of a stable, high-frequency clock signal from a lower-frequency reference.

Applications

The AD9852AST is versatile and can be used in a wide range of applications, including:

• Wireless and Wired Communication Systems
• Signal Generators and Analyzers
• Test and Measurement Equipment
• Radars and Avionics
• Medical Imaging Systems

Technical Specifications

Some of the technical specifications of the AD9852AST include:

• 48-Bit Frequency Tuning Word
• 14-Bit DAC Resolution
• System Clock Rate: Up to 300 MHz
• Spurious Free Dynamic Range (SFDR): >80 dBc
• Programmable Output Phase
• Power Dissipation: 1.1 W at 300 MHz
• Package: 80-Lead LQFP

The AD9852AST is available in a surface-mount package and is supported by Analog Devices Inc.'s comprehensive technical documentation and design resources. With its robust feature set and performance capabilities, the AD9852AST is a powerful solution for designers seeking to incorporate advanced DDS technology into their projects.