CDCEL949PWR Integrated Circuits (ICs)

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CDCEL949PWR is a frequency synthesizer intended for use in clock generation, frequency division, and clock synthesis applications. The product features a wide range of operating frequencies up to 5 GHz. It is a compact, low power, highly integrated, and cost-effective version of the popular PCKL949PWR family of frequency synthesizers.

The CDCEL949PWR offers a variety of features and performance options tailored to meet the design requirements of a wide range of consumer, industrial and communication applications. It integrates both a frequency synthesizer and a phase-locked loop (PLL). The synthesizer provides wide frequency range coverage up to 5GHz and the PLL offers fast loop frequency settling time and low noise performance. The on-chip fractional-N PLL technology provides flexible frequency division for applications requiring frequency division by a fraction of an integer.

The CDCEL949PWR offers a wide frequency range from 4 KHz to 5 GHz. The device also provides a variety of output frequencies with a resolution of 1/12th of an octave. The device can be programmed via an industry standard serial programming interface (SPI) or by direct digital input pins.The device can be synchronised with an external reference clock for improved accuracy when used in multiple device applications. The CDCEL949PWR also features an on-board phase detector with power down control and a precision reference buffer.

The CDCEL949PWR is well-suited for use in communications, aerospace, automotive, and industrial application. It can be used for in-vehicle networks such as CAN, LIN and FlexRay, as well as in a variety of other applications such as broadcast communications, WLAN, GPS, CCD and LCD timing, etc. It is an ideal candidate for any design requiring fast-switching frequency synthesis.

The CDCEL949PWR\'s main idea is to divide the input signal frequency with a highly accurate fractional-N PLL. The fraction-N operation enables high-level frequency accuracies and wide tuning range over a broad frequency band. The device is also equipped with integrated clock tree synthesis and phase synchronization functionality. The PLL\'s phase detector allows the frequency reference signal to be synchronized to the external reference clock providing improved accuracy. This feature is particularly useful in applications requiring multiple PLLs or frequency synthesizers.

The CDCEL949PWR is capable of operating in a dual-mode configuration where a master oscillator is used to control the frequency of a slave frequency synthesizer. The slave frequency is locked to the master frequency via the master-slave synchronous frequency control provided by the PLL. This mode of operation is well suited for applications such as crystal oscillator replacements, single-pair frequency control and simultaneous multi-channel frequency synthesis. The CDCEL949PWR is designed to provide outstanding performance and versatility in a wide range of clock and frequency synthesis applications.

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