CY22800FXC-028A

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CY22800FXC-028A Application Field and Working Principle

The CY22800FXC-028A is a clock/timing product developed by Cypress Semiconductor. It is an application-specific product and has been designed to meet the specific needs of many industries, including audio/video, mobile, automotive, and consumer electronics. This product is a 32-bit, polyphase, spread-spectrum clock generator IC with on-chip PLLs (Phase-Locked Loops). It also provides frequency synchronization, jitter attenuation, four reference clock output signals, and a system-wide clock management.

Features of CY22800FXC-028A

• Provides up to four reference clock outputs with a wide frequency range (up to 2GHz) and very low jitter.
• Uses a combination of spread-spectrum techniques combined with on-chip PLLs and programmable dividers to manage the system-wide clock.
• Results in low EMI (electromagnetic interference) in the final application.
• The CY22800FXC-028A supports an external SPDIF (Sony / Phillips Digital Interface Format) input
• Can enable an automatic clock-routing process, if required.
• Uses fractional-N andCharge pump technology to achieve good frequency synthesis accuracy.

Working Principle of CY22800FXC-028A

The CY22800FXC-028A consists of four independent clock generator modules: a master clock generator, a secondary clock generator, a reference clock divider, and a clock synchronization unit. The master clock generator is responsible for generating a master clock signal with a wide frequency range (up to 2GHz) and low jitter. This clock signal is then sent to the secondary clock generator, which divides and generates the reference clock signals required. The reference clock divider then divides the reference clock signals and distributes it to the clock synchronization unit.

The clock synchronization unit then synchronizes the each of the reference clock signals and then distributes it to individual output ports. The CY22800FXC-028A also incorporates spread-spectrum techniques to reduce EMI in the final application. The on-chip PLLs and programmable dividers can be used to further reduce the jitter and ripple in the clock signals.

Applications of CY22800FXC-028A

The CY22800FXC-028A is ideal for applications in audio/video, mobile, automotive, and consumer electronics. It can be used for systems that requires multiple, synchronized reference clocks signals. It can also be used in applications that require low EMI, low jitter, and accurate frequency synthesis. Some of the applications of the CY22800FXC-028A include displays, audio/video receivers, telecom base stations, and DVD players, among others.

Conclusion

To conclude, the CY22800FXC-028A is an application-specific clock/timing product developed by Cypress Semiconductor. This product is able to generate multiple synchronized reference clock signals with very low jitter and frequency ripple. It also provides excellent EMI protection. The CY22800FXC-028A can be used in many industry applications, and is ideal for audio/video, mobile, automotive, and consumer electronics systems.

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