CDCE62002RHBT

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CDCE62002RHBT Application Field and Working Principle
The CDCE62002RHBT is a fully-integrated clock generator and frequency synthesizer. It is an essential device for applications needing precision timing and clock generation, like industrial automation systems, or even 5G telecom applications. It is a versatile and cost effective solution for implementing costly and complicated clock trees in applications that require both jitter tolerance and low power consumption.

The device is designed to meet stringent jitter and power requirements for 2.5 and 3.3V digital clocking applications. It provides four independent LVCMOS output clocks with frequencies up to 1GHz. It supports both input reference clock frequencies of 1 MHz to 1.4 GHz and up to 4 clock output frequencies divided by any ratio of 1, 2, 4, or 8. Additionally, it features fast switching between multiple frequencies, crystal-free operation, and low startup current. So it is ideal for applications that require high precision timing and frequency synthesis.

The working principle of CDCE62002RHBT can be described as follows: it consists of three building blocks; a phase-locked loop (PLL) subsystem, a fractional-N frequency synthesizer, and a high-performance output buffer. The PLL subsystem is used to capture the reference clock frequency, compare it to the internally generated clock frequency, and adjust the parameters that adjust the output frequency. The fractional-N frequency synthesizer uses a digital step adjuster to control the frequency of the oscillator which is used to generate the clock output(s). The high-performance output buffer helps to reduce clock jitter and increases the flexibility of the clock source by providing various output formatting options, like LVDS and HCSL. Additionally, the device has an integrated programmable oscillator that helps to reduce the area in designs.

Overall, the CDCE62002RHBT is a great solution for applications in need of precise timing and frequency synthesis. It has high performance, low power, and supports wide-range clock sources, making it a great solution for both industrial and telecom applications. Furthermore, its integrated programmable oscillator and high-performance output buffer help to further improve performance, making the device a cost-effective clock and frequency synthesizer.

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