AD9571ACPZPEC

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The AD9571ACPZPEC can be classified as a Clock/Timing device specializing in Clock Generators, PLLs, and Frequency Synthesizers. This device offers a low-power, single-chip, jitter-attenuated frequency synthesizer and voltage-controlled oscillator (VCO) with a variety of features tailored for consumer and communication applications. The AD9571ACPZPEC provides a fractional-N synthesizer, complete phase-locked loop (PLL) circuitry, and a crystal oscillator in a space-saving package. This device includes integrated loop filter circuitry and miscellaneous standard building blocks, such as prescalers, dividers, and phase detectors. Power consumption is further reduced by the ability to put the device into various low-power modes.

The AD9571ACPZPEC offers a synthesizer frequency range from a few kHz to over 5 GHz, making it ideal for use in applications such as cellular base station system reference clocks, automotive infotainment systems, and portable computing. The low power consumption, high frequency resolution, and wide frequency range of the AD9571ACPZPEC make it the perfect choice for demanding consumer and communication applications where space saving and power efficiency are crucial.

The AD9571ACPZPEC is well suited for use in applications where digital frequency synthesis is required. This device works by first setting the synthesizer\'s desired output frequency, or reference frequency, on the power-up initialization. The reference frequency is then divided internally by the device\'s built-in prescaler, with the output of the prescaler being fed into the PLL loop filter and phase detector. The output of the phase detector is then used to adjust the in-phase and quadrature (I/Q) VCO component values, which in turn alter the output frequency of the device until it match the reference frequency.

The AD9571ACPZPEC\'s integrated key performance parameters, such as but not limited to, frequency accuracy, phase jitter, and loop bandwidth, can be fine tuned using the externally accessible control ports. Furthermore, the device\'s fast settling control paths are designed for easy system optimization, providing for reference frequencies that can be changed quickly and accurately. Moreover, this device offers the capability to perform high-speed frequency hopping without any pauses or delays.

The PLL and VCO architecture of the AD9571ACPZPEC affords users the ability to lock and track to an external reference clock or any other desired reference clock (e.g., an atomic clock) in order to generate high stability, jitter free oscillators. An external reference clock can be connected directly to the reference clock input pin and the device will operate in phase locked loop (PLL) mode, amplifying and filtering the input reference signal. This can be used to generate high stability oscillators which can be used as the main clock source.

The AD9571ACPZPEC is capable of providing a wide variety of useful low- power, low-jitter, and frequency-synthesized clock outputs for a variety of consumer and communication applications. The fractional-N synthesizer, PLL, and crystal oscillator capability are all integrated into a space-saving package, making the AD9571ACPZPEC a great choice for design engineers who require a low-cost and low-power clock synthesis solution.

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