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• Integrated Clock Generation, Cleanup, Synchronization, and Distribution
• Direct Digital Synthesizers (DDS) for Clock/Timing Applications
• PLL Synthesizers for Clock/Timing Applications
• Clock & Data Recovery/Retiming
• High Speed Comparators
• Online Simulation Design Tools

Integrated Clock Generation, Cleanup, Synchronization, and Distribution

AD9516 Clock Generator with Integrated VCO

Providing all critical timing functions on a single chip, the AD9516 combines low phase noise clock generation with 14-channel clock distribution at jitter levels <1 ps. To reduce board space and costs, the AD9516 integrates an integer-N synthesizer, two reference inputs, VCO, programmable dividers, adjustable delay lines and 14 clock drivers, including LVPECL, LVDS and CMOS.

AD9549 Network Clock Generator/Synchronizer

Extended holdover functionality and jitter clean-up increases system stability and maximizes network uptime. A programmable digital loop filter capable of bandwidths <1 Hz enables the device to clean jitter from noisy input clocks. Flexible output frequency options are available up to 750 MHz.

To view a complete list of integrated clock products, please visit the Clock Generation and Distribution Homepage.

For information on new products, contact the Clock Development Group.

Direct Digital Synthesizers (DDS) for Clock/Timing Applications

AD9910, AD9912, 1 GSPS DDS with 14-Bit DAC

Offering outputs up to 400 MHz, these 1 GSPS DDS ICs are the first to integrate a 14-bit DAC, resulting in a lower noise floor. The AD9910 includes a fast 16-bit parallel port, easy frequency sweep capability, and programmable RAM. The AD9912 incorporates auxiliary low power DDS cores to provide targeted harmonic spur reduction, as well as a 48-bit frequency tuning word, and an on-board comparator.

To view a complete list of direct digital synthesizers, please visit the DDS Homepage.

For information on new products, contact the DDS Development Group.

PLL Synthesizers for Clock/Timing Applications

ADF4002 Single, Low-Cost Clocking PLL

With up to 400 MHz bandwidth, this product can be used to generate high frequency, low jitter, clocking signals for A/D and D/A converters. Additionally, by programming R & N to 1, the part can be used as a stand alone PFD and charge pump up to 200MHz.

To view a complete list of PLLs, please visit the PLL Synthesizer Homepage.

For information on new products, contact the PLL Synthesizer Group.

Clock & Data Recovery/Retiming

ADN2865 Continuous Rate CDR IC with Loop-Timed SERDES

Optimized for PON ONT, the ADN2865 provides the receiver functions of quantization, signal level detect, and clock and data recovery for continuous data rates from 12.3 Mb/s to 2.7 Gb/s.

To view a complete list of CDRs, please visit the Clock & Data Recovery/Retiming Homepage.

For information on new products, contact the Fiber Optic Development Group.

High Speed Comparators

ADCMP600 to ADCMP609 Family of Rail-to-Rail Comparators

Offering the industry's first LVDS comparator, this family includes very fast, versatile, and easy-to-use comparators, with power as low as 1mW.

To view a complete list of high speed comparators, please visit the Comparator Homepage.

For information on new products, including buffers, contact the High Speed Comparators Group.

Online Simulation Design Tools

ADI's extremely successful design tools enable users to drastically reduce design iterations and time to market. By allowing users to observe detailed performance data in minutes, designers can quickly evaluate and optimize their designs.

Free download is available:

ADIsimPLL™.

ADIsimCLK™.