CY26049ZXC-22

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CY26049ZXC-22 is a clock generator that provides best-in-class frequency synthesis and clock management solutions. It is a highly integrated programmable clock generator with multiple output channels, low jitter, and context flexibility. This device is suitable for a wide variety of applications including computer systems, data communications, consumer electronics, automotive, and military/aerospace.

Application Field: The CY26049ZXC-22 clock generator can be used in very varied applications such as card readers, hard drives, high quality A/V receivers, routers, cellular phones or battery-powered devices. It is also used in servers, networking, industrial, medical and military applications to generate highly accurate and low jitter clock signals. It is particularly suitable for low power and low jitter applications.

Working Principle: The CY26049ZXC-22 clock generator utilizes a process that allows frequency synthesis and clock management within a single package. It uses a method of frequency synthesis referred to as a Sigma-Delta phase-locked loop (PLL). The PLL is implemented on the device in order to produce the frequency-synthesized output signal. The PLL relies on two main components, a phase detector (PD) and a loop filter (LF). The phase detector detects any phase difference between the reference signal and the VCO output, and then provides an appropriate signal to the loop filter for frequency tuning. The loop filter then applies a filtered signal to the voltage controlled oscillator, which in turn produces the output signal.

The frequency-synthesizing process is initiated using the CY26049ZXC-22 internal frequency synthesizer, which is programmed using an on-chip memory. The memory contains a list of predetermined frequencies with each frequency having a corresponding control word. By modifying the control word, different frequecnies can be achieved. The output frequency can be further regulated with the use of the integrated internal reference and/or an external reference clock. The external reference clock can be used to produce frequencies up to and beyond the audio range (20kHz).

The CY26049ZXC-22 clock generator also features a variety of clock output options. It has an integrated 32-bit programmable divider that can divide the reference clock to create a variety of slow-speed and low power signals. Additionally, the device also supports multiple outputs such as crystal outputs, dedicated LVCMOS/LVDS outputs, and multiple parallel outputs. This allows for a variety of applications including computer systems and data communications.

The CY26049ZXC-22 clock generator also has a range of operational modes that can be utilized for different frequencies and power requirements. It has an active mode, duty cycle programming mode, fast start mode and duty cycle monitoring mode. This makes it possible to optimize performance and power consumption for various applications. In addition, the device also has an integrated spread-spectrum function that allows for an even wider range of frequencies to be achieved.

The CY26049ZXC-22 clock generator is a highly integrated and sophisticated clock generator offering a wide variety of features. Its flexibility and performance make it an ideal choice for many applications where clock accuracy and low jitter are essential. It is suitable for applications such as consumer electronics, military/aerospace, automotive, servers and networking, industrial, and medical. It is also extremely suitable for low power and low jitter applications.

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