CY241V8ASXC-12T

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The CY241V8ASXC-12T is a clock generator, phase locked loop (PLL) and frequency synthesizer device optimized for broadcast audio applications. It is a monolithic integrated circuit with a wide range of features and applications that deliver reliable and consistent clock source accuracy. With its integrated 8-channel audio clock synthesizer, the CY241V8ASXC-12T provides fast locking and robust performance with no jitter. It also provides simultaneous independent outputs on a low-cost, low-power and compact chip.

Application Field

The CY241V8ASXC-12T is optimized for broadcast audio-related applications in consumer, professional and automotive markets. It enables accelerated development of complex transmission and recording systems and is designed to deliver stable clock performance in low-power and low-cost packages. It is capable of generating reliable clock signals from a single 10MHz reference clock. The device features two configuration variables that allow flexibility in programming output data.

Common applications of the CY241V8ASXC-12T include automotive audio systems, headphone amplifiers, set-top boxes, AD and DA converters, audio mixers, surround sound systems, broadcast audio equipment and many other audio-related applications.

Working Principle

The CY241V8ASXC-12T utilizes a fractional-N-type Phase Locked Loop design. This allows it to achieve stable audio clock output with low-phase-noise, low-jitter, and low-power operation. The onboard oscillator supports a wide range of reference clock frequencies of 20-100MHz and is capable of generating simultaneous clock outputs of 32.768kHz to 327.68MHz.

The device operates via a three-wire control interface that provides multiple control functions. These include selecting between two PLLs, setting the base frequency of the PLLs, setting the ratio between the two PLLs, and selecting among various operation modes. All of these control functions can be programmed via a few pins connected to the external controller.

The CY241V8ASXC-12T includes a SimpleLink Control (SLC) interface which supports SPI and two-wire serial control. This allows it to be easily integrated into existing audio systems.

The CY241V8ASXC-12T also has several key operational characteristics. These include startup lock time of 1.5ms, current consumption of less than 250mW, phase noise of less than -150dBc/Hz for a 100KHz offset, and jitter performance of 510ps for output frequencies between 4MHz to the maximum of 327.68MHz.

Conclusion

The CY241V8ASXC-12T is an 8-channel audio clock synthesizer optimized for broadcast audio applications. It offers a wide range of features and applications, with fast locking and reliable performance. It also features two configurable variables that allow for flexible programming of output data. With an onboard oscillator that supports a wide frequency range and a three-wire control interface that allows for control functions, the CY241V8ASXC-12T is a reliable and versatile clock generator, phase locked loop and frequency synthesizer for a variety of audio-related applications.

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