CDC421250RGERG4

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The CDC421250RGERG4 chip is a high-performance, fully integrated frequency synthesizer used for clock/timing needs. It is ideal for applications such as clock fan-out, clock multiplication and clock synchronization. This device is capable of synthesizing a wide array of frequencies from 0 MHz to 1500 MHz, making it a suitable choice for many applications.

Application Fields

The CDC421250RGERG4 frequency synthesizer can be applied to various clock/timing needs, including:

• Communication and network timing: The CDC421250RGERG4 is ideal for applications such as synchronous Ethernet and Carrier Ethernet, where long-term stability and precise jitter attenuation are desired.
• Data center timing: This chip is designed to precisely scramble, muliplex and demultiplex the clock and data signals used in a data center, allowing for efficient data transmission.
• Automotive timing: This device is designed to meet the stringent requirements of automotive timing applications, such as automotive Ethernet and in-vehicle networks.
• Industrial and other applications: The CDC421250RGERG4 can also be used for a variety of other clock/timing needs, such as industrial automation, digital displays, and more.

Working Principle

The CDC421250RGERG4 operates on a direct digital synthesis (DDS) technique. This technique entails synthesizing the output signal from a digital signal provided by an on-chip oscillator. The frequency of the output signal is determined by a comprehensive on-chip phase-locked loop (PLL) system which allows for precise tuning and stability. This chip also features a wide range of programmable output formats, allowing it to be easily utilized in a variety of applications.

The CDC421250RGERG4 is capable of providing a wide range of single-ended, differential, LVDS and PECL outputs, allowing it to be used in virtually any application.

The chip also features a comprehensive on-board power-saving architecture, making it ideal for applications needing prolonged battery life. The chip also features comprehensive filtering and noise rejection technology, making it suitable for use in rugged environments.

Conclusion

The CDC421250RGERG4 chip is a high-performance frequency synthesizer designed for a variety of clock/timing needs. It utilizes a direct digital synthesis technique, along with an advanced phase-locked loop system, giving it precise tuning capabilities and long-term stability. The chip also features a wide range of output formats, programmable power saving architecture, and noise rejection technology, making it suitable for a variety of applications.

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