AD9856ASTZ

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The AD9856ASTZ is a Direct Digital Synthesizer (DDS) and Clock Generator IC that provides a low power, high performance solution for clock and timing generation and signal generation applications. It is a part of a family of DDS products designed to address a variety of high performance applications. The device itself is a highly integrated, monolithic IC that integrates most of the functionality required for a DDS and Clock Generator.

The AD9856ASTZ has a versatile range of application fields, it is well suited for clock and timing applications such as timing loops, clocking systems and frequency synthesis for communication systems. It is also an ideal solution for characteristics-based signal and waveform generation in process control, analog to digital converters (ADC), and digital to analog converters (DAC) applications. Furthermore, it is designed to address the test and measurement applications that require multiple frequency generation and signal generation.

The AD9856ASTZ has a modular architecture, allowing for the input clock to be divided down or multiplied up in a clear manner. This allows it to be used in applications where multiplication and division of a base frequency is necessary. By utilising a flexible input clock frequency, the AD9856ASTZ can reduce the number of clock sources required in a given application, improving overall system performance and reliability. The device also supports a wide range of output frequency carriers, from 0.25MHz to 500MHz, and offers very low jitter performance.

The working principle of the AD9856ASTZ is based on a Direct Digital Synthesizer integrated circuit. A DDS is a computer-controlled oscillator that generates precise sine waves of low phase noise and low distortion. In the AD9856ASTZ, a clock signal is fed into an integrated circuit which is divided down in order to accurately generate a wide range of frequencies across a large frequency band. A series of precise delays are then applied to the clock signal in order to generate an output signal based on the desired frequency.

The AD9856ASTZ can be used to generate signals up to 500 MHz and offers very low jitter performance. The user can select from a range of pre-programmed output frequencies, or program the output frequency directly. It can also be used to generate complex waveforms such as pulse, triangle, and sawtooth shapes. By controlling the magnitude and frequency of the output signal, the user can precisely generate a wide range of signal types.

In summary, the AD9856ASTZ is a versatile RF IC that can be used for a variety of clock and signal generation applications. It offers the capability to generate precise frequencies with low jitter performance. It also allows for the generation of complex waveforms, allowing for the generation of signals in a wide range of applications. The user can take advantage of the integrated DDS to program frequencies and programmed waveforms accurately and with low distortion. The combination of these features makes the AD9856ASTZ well suited for a variety of clock and signal generation applications.

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