CY22800FXC-022A

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CY22800FXC-022A is a low-skew and low-jitter dual-output clock generator that integrates two differential outputs as well as one LVCMOS/TTL outputs. It has extremely low jitter of 0.40ps and skew of 0.066ps, making it ideal for multi-phase applications such as RF and video. It also features programmability, allowing users to set up a wide variety of output conditions. Furthermore, it has an integrated FRAC-N PLL, where users can choose between two architectures, allowing them to select the one that fits their specific needs.

Application field

Since its output is low jitter and low skew, CY22800FXC-022A can be used in various applications such as digital video, networking, storage and base station clock system timing. The highly programmable PLL architecture allows for a wide variety of system design.

The highly integrated circuit helps reduce size, reduce power and reduce EMI. It can be used in systems that require high precision such as those in the radio frequency range, high-speed communications systems, or in the PLL-based frequency synthesis. Additionally, it is suitable for systems where excellent noise immunity is required.

Working principle

CY22800FXC-022A has a phase-locked loop (PLL) for controlling frequency. Input clock oscillator can be provided externally, or a crystal oscillator can be integrated into the device. When an external clock oscillator is used, the frequency of the output clocks is determined by the frequency of the oscillator and the voltage controlled oscillator (VCO) in the PLL.

The performance of the PLL is monitored and controlled by the phase locked loop (PLL) circuit, which continuously compares the phase of the output clock to the reference oscillator and adjusts the VCO parameters to maintain the desired frequency. As a result, the output frequency is maintained even in noisy environments, and a wide range of frequencies can be generated. Additionally, the device features multiple control pins, which allow users to control the output frequency range, skew and jitter.

CY22800FXC-022A also features a low-noise voltage regulator, allowing it to use low-noise power supplies, which helps to minimize jitter and noise in the output clocks. Furthermore, the device contains built-in architecture for software-programmable output frequency, skew and jitter, enabling users to easily tailor the output clocks to the specific application.

Conclusion

CY22800FXC-022A from Cypress is a low-skew and low-jitter dual output clock generator providing excellent control and precision. Its integrated PLL and control architecture enables it to be used in a wide range of applications, and its low power and noise immunity properties make it a great choice for use in RF and video applications. The wide range of frequencies and its built-in programmability make it suitable for highly accurate frequency synthesis applications as well.

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