PL520-00DC

Series:	*
Packaging:	Tube
Part Status:	Obsolete

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PL520-00DC Application Field and Working Principle

PL520-00DC is a clock generator and frequency synthesizer manufactured by Phoenix Semiconductor, a leading provider of clock/timing solutions for a wide range of consumer, commercial and industrial applications. The PL520-00DC delivers superior performance and accurate signal generation in a variety of frequencies, enabling the synchronization of digital systems.

Applications

The PL520-00DC is an ideal device for synchronizing and controlling applications requiring low jitter and high stability. It can be used in a wide variety of applications, including computer, telecommunications, and medical equipment, as well as high-precision timing in FPGAs, voltage-controlled oscillators, and other digital circuits. In particular, the PL520-00DC is an excellent choice for clock synchronization tasks in Digital Audio Broadcasting (DAB) and Long-Term Evolution (LTE) cellular communications.

Outputs and Jitter Performance

The PL520-00DC is available in a variety of output formats, including single-ended, 3.3V LVDS, 5V LVDS, and HCMOS. Outputs are available from 10 MHz to 1 GHz and feature a wide supply voltage range of 2.5V to 5.5V, making them suitable for a variety of applications. The device also offers low jitter performance of 25 ps RMS, which ensures reliable signal generation even in the most demanding applications.

Frequency Synthesis and Multiplication

The PL520-00DC features frequency synthesis capabilities, allowing the user to program any frequency from 10 MHz to 1 GHz. Additionally, the device can also be programmed to perform frequency multiplication up to 20x of the input reference frequency. This flexibility makes the device an ideal solution for a diverse range of applications.

Clock Generation and Control Signal Options

The PL520-00DC can generate a wide range of clock signals, including square and sine waveform, pulse-width modulation (PWM), and pulse-frequency modulation (PFM) signals. It also offers a wide range of control signals, including programmable duty cycle, individual frequency output enable for each output, and low-power/high-power mode select. These features make the PL520-00DC an excellent choice for flexible and precise clock/timing control.

Working Principle

The PL520-00DC works by using a phase-locked loop (PLL) architecture to synthesize a reference clock from an external or an internally generated frequency source. The PLL consists of a voltage-controlled oscillator (VCO) and a phase/frequency detector (PFD), both of which are controlled by a digital loop filter. The VCO takes a digital word, which is generated by the digital loop filter, as an input and produces a clock according to the programmed frequency. The PFD reads the phase difference between the generated clock and the reference clock and sends a digital word to the digital loop filter, which in turn adjusts the VCO frequency. In this way, the VCO frequency is always tracked to the reference clock, ensuring accurate and reliable signal generation.

Conclusion

The PL520-00DC from Phoenix Semiconductor is a highly versatile and reliable clock generator and frequency synthesizer that offers superior performance and accurate signal generation across a wide range of frequencies. With programmable frequency synthesis, multiplication, and comprehensive clock/control signal options, the device is suitable for a wide variety of applications. The PLL architecture provides reliable clock synchronization and low jitter performance. The PL520-00DC is an excellent choice for any application that requires flexible, accurate, and reliable clock/timing control.

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