8440259AK-05LF

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The 8440259AK-05LF or 8440259AK clock generator operates as a low-jitter clock signal generator, providing low frequency to moderate frequency reference signals. It is a single chip solution that combines a PLL, frequency synthesizer, and clock generator in one package. It is designed to integrate digital \'smart\' clock generation capabilities to provide a highly dense, low power, low cost solution for system controllers, communication terminals, and logic modules. It is applicable for wireless and wired systems, as well as for edge computing, data processing, data analytics, and 5G devices.

The 8440259AK is designed for users who require performance optimization in their designs without compromising power efficiency, size and cost. It contains several features that enable systems to achieve the most out of their clock signal generation capabilities. It has digital control interface with programmable frequency regulation, a wide bandwidth voltage controlled oscillator (VCO) with adjustable gain, and low noise output signal technology. It also features an integrated ESD protection and temperature sensor.

The 8440259AK provides versatility and flexibility when used in highly integrated applications. Its built-in PLL helps to optimize signal jitter, reduce clock ripple, and lower clock-to-clock jitter variability. The integrated frequency synthesizer allows for easy and precise tuning of frequency and dynamic voltage control. The clock generator also helps reduce the number of clock signals required to create clock networks, as well as providing high precision clock frequency control.

The 8440259AK uses a phase-locked loop (PLL) technique to generate output clocks, which is a type of loop control system used to generate precise timing signals based off an external reference signal. The PLL encodes the reference signal into an internal clock circuit. It has a voltage-controlled oscillator (VCO) with an adjustable gain, where the gain is adjusted to make the frequency of the output signal match the clock reference signal. This produces a clock signal output with much lower jitter than the reference clock input.

The frequency synthesizer then continuously varies the output frequency based on its reference source, allowing for a wider range of frequencies and greater control over output signals. Further, the frequency synthesizer\'s low-noise Output Signal Technology (OST) ensures precise control of the output signal frequency with minimal clock ripple, allowing for high precision clock operations. With its wide variety of frequency regulation, the 8440259AK is highly optimized for clock accuracy and stability.

In conclusion, the 8440259AK is a single chip, low-jitter clock signal generator designed for low-frequency to moderate frequency reference signals. It is based on a PLL, frequency synthesizer and clock generator, which helps in optimizing the performance of systems, the number of clock signals required, and improve the accuracy and stability of the clock signals. It provides many features, including digital control interface, adjustable gain, low-jitter oscillator, and features like ESD protection and temperature sensor. This makes it an ideal solution for digital smart clock generation and provides a highly dense, low power, low cost solution for system controllers, communication terminals, and logic modules.

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