AD9852ASVZ Datasheet

Data Conversion ICs - Various


The AD9852ASVZ digital synthesizer is a highly integrated device that uses advanced DDS technology, coupled with an internal high speed, high performance D/A converter to form a digitally programmable, agile synthesizer function. When referenced to an accurate clock source, the AD9852ASVZ generates a highly stable frequency-, phase-, and amplitude-programmable cosine output that can be used as anagile LO in communications, radar, and many other applications. The innovative high speed DDS core of the AD9852ASVZ provides 48-bit frequency resolution (1 μHz tuning resolution with 300 MHz SYSCLK). Maintaining 17 bits ensures excellent SFDR. The circuit architecture of the AD9852ASVZ allows the generation of output signals at frequencies up to 150 MHz, which can be digitally tuned at a rate of up to 100 million new frequencies per second. The (externally filtered) cosine wave output can be converted to a square wave by the internal comparator for agile clock generator applications. The device provides two 14-bit phase registers and a single pin for BPSK operation. For higher-order PSK operation, the I/O interface can be used for phase changes. The 12-bit cosine DAC, coupled with the innovative DDS architecture, provides excellent wideband and narrow-band output SFDR. When configured with the comparator, the 12-bit control DAC facilitates static duty cycle control in the high speed clock generator applications. The 12-bit digital multiplier permits programmable amplitude modulation, on/off output shaped keying, and precise amplitude control of the cosine DAC output. Chirp functionality is also included for wide bandwidth frequency sweeping applications. AD9852ASVZ Features •300 MHz internal clock rate •FSK, BPSK, PSK, chirp, AM operation •Dual integrated 12-bit D/A converters •Ultrahigh speed comparator, 3 ps rms jitter •Excellent dynamic performance AD9852ASVZ Applications •Agile LO frequency synthesis •Programmable clock generator •FM chirp source for radar and scanning systems •Test and measurement equipment •Commercial and amateur RF exciter


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Manufacturer information


ON Semiconductor - ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe, and the Asia Pacific regions.

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