AD9520-0BCPZ

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The AD9520-0BCPZ is a clock generator, PLL, and frequency synthesizer designed as an excellent choice for high performance mixed-signal communication applications. It is a low-cost, low-power solution that offers the stability and flexibility necessary for today\'s communication applications.

The AD9520-0BCPZ is designed to provide low-cost, low-power precision clock and data management solutions that meet the requirements of requiring high-speed, high-resolution and low-skew timing. It is an integrated circuit, consisting of an On-Chip step-up transformer and four adjustable frequency dividers, that is capable of generating low-jitter, low-noise timing signals up to 600 MHz (35 ps RMS).

The AD9520-0BCPZ is unique in that it offers the ability to synchronize the output clocking signals with a wide range of reference clock signals, including SONET, ATM, FDDI, Gigabit Ethernet, and Telecoms. Additionally, it supports a variety of buffered output clocks, including differential LVDS, LVPECL, or single-ended outputs.

The AD9520-0BCPZ is designed to provide excellent long-term stability by reducing clock jitter and allowing the output reference clock to remain synchronous over time. It is designed to operate with maximum stability over the entire operating temperature range and is rated for operation up to 125°C. Additionally, it is rated for operation at up to 2.5 V power supply voltages.

The AD9520-0BCPZ is easily implemented into circuits thanks to its one piece design. The device includes a step-up transformer and four adjustable frequency dividers, meaning two fewer external components are required for operation. Additionally, it includes a low-noise, low-power start-up circuit, as well as a low-noise idle-bus input circuit, eliminating the need to design additional power up steps.

The AD9520-0BCPZ utilizes a unique approach to PLL-synthesized clock designs. It includes an external Phase Detector, which monitors the incoming reference signal and then feeds the signal into the PLL section. The PLL section multiplies the signal to the desired frequency while providing clean and low-jitter clock signals. The signal is then output through one or multiple channels, or can be used in an internal loopback mode.

The Phase Detector also provides feedback to the PLL section to ensure steady clock output under varying reference signal conditions. This is accomplished through a build-in level adjust circuit that allows the PLL circuit to essentially “tune” itself to the incoming reference signal.

The AD9520-0BCPZ also includes On-Chip power components that allow for improved performance in terms of power efficiency, high noise immunity, short turn-on time, and low quiescent power.

The AD9520-0BCPZ is an excellent choice for today’s communication applications due to its low-cost, low-power, and highly integrated design. It provides excellent clock and data management solutions to a wide range of applications, including SONET, ATM, FDDI, Gigabit Ethernet, and Telecoms, among others. Its unique PLL-based architecture and onboard power components facilitate improved power efficiency, low noise, and high stability, enabling the device to provide precision clock and data synchronization even under changing reference signal conditions.

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