AD9549ABCPZ

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AD9549ABCPZ is a versatile Quad-Frequency PLL Synthesizer/Divider specifically intended for clock applications. This innovative device provides the clock generation functionality of a multiple VCO-based PLL plus the frequency division, dividing and buffering capabilities of a 5-output Divider, all in one small, low power 24-lead package. This makes it ideal for applications where multiple clock sources are required, as it simplifies the design process by providing an easy to implement, highly adaptable solution.

Features

AD9549ABCPZ boasts an extensive array of features, including low power and low cost. It offers both a fully integrated fractional-N PLL and a 5-output Divider. The PLL frequency range covers a wide range from 10 kHz to 500 MHz, and the Divider is capable of operating up to its input frequency, with a maximum frequency of 500 MHz. It also has a very low phase noise performance, making it an ideal choice for clock source applications requiring high-frequency accuracy. Additionally, it is capable of operating in either an AC or DC supply mode, and it features a wide range of programmable parameters such as phase shift and skew control.

Application Fields

AD9549ABCPZ is well suited for a variety of applications, including telecom, consumer and computer products. A few examples of these applications include: digital video broadcasting receivers, digital cable systems, home networking systems, digital cameras, digital audio-video receivers and other consumer electronics. In addition to these applications, this multipurpose device can also be used in a wide range of industrial, military and aerospace applications, as it provides highly stable, precise clock sources and is designed to operate over a wide temperature range.

Working Principle

The working principle of this device is based on a Phase-Locked-Loop (PLL), with a divide-by-N counter. This PLL is used to control the output of the device, while a divide-by-N counter is used to divide the output frequency of the PLL by any integer from 2 to 65,535. This provides precise and programmable frequency division down to 1 Hz. The PLL also features a wide range of programmable parameters such as phase shift, skew, frequency and low noise performance. Additionally, due to the low power consumption and wide temperature range, the device can be used in a variety of markets.

Conclusion

The AD9549ABCPZ is a versatile Quad-Frequency PLL Synthesizer/Divider specifically intended for clock applications. It offers high frequency accuracy, low phase noise and low power consumption. Additionally, it has a wide range of programmable parameters, making it an ideal choice for a variety of applications. It is suitable for use in both consumer and industrial applications, and its wide temperature range makes it a good choice for industrial, military and aerospace markets.

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