5P49V5913B002NLGI8

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

5P49V5913B002NLGI8 is a high performance Frequency Synthesizer which operates from 3.3 Vdc supply. It is designed using advanced Phase-Locked Loop (PLL) and voltage-controlled oscillator technology. This device provides a low jitter, low phase noise, and low-noise clock source in clock frequencies ranging from 0.1 to 100 MHz. It offers an innovative control interface that simplifies the need for system-level clock control, providing precise control of the output frequency and phase.

Application

5P49V5913B002NLGI8 is a perfect choice for clock-related applications such as computer systems, radio communications, automotive and medical electronics, instrumentation and communications. It is also suitable for generating clock frequencies for high-performance digital signal processors (DSP), ADC and DAC converters, and embedded processors. 5P49V5913B002NLGI8 can be used in frequency-sensitive applications such as medical ultrasound, magnetic resonance imaging (MRI), and industrial ultrasound.

Working Principle

The 5P49V5913B002NLGI8 Frequency Synthesizer is based on the principle of phase-locked loops (PLLs). In simple terms, it uses two or more independent oscillators and compares the phase of each oscillator to a reference input. The difference between the phases of the two oscillators is constantly monitored and fed back to one of them. This helps maintain the two oscillators at the same frequency - even when the reference input frequency changes. The output of the system is then the desired frequency.

In the 5P49V5913B002NLGI8, the two oscillators consist of a voltage-controlled oscillator (VCO) and a Phase Frequency Detector (PFD). The VCO is clocked by a reference input, which is either an external reference clock or an internal one from an on-board reference oscillator. The PFD generates a signal whose frequency is proportional to the phase difference between the VCO and the reference clock. This signal is fed back to the VCO to maintain its frequency close to the reference.

The 5P49V5913B002NLGI8 is also capable of providing precise control of output frequency and phase. This is done by employing a Charge Pump that adjusts the operating voltage of the VCO to maintain the required output frequency and phase. The Charge Pump is a circuit whose output voltage is inversely proportional to the difference between the reference and output frequency.

Finally, the 5P49V5913B002NLGI8 has several other features that improve its performance even further. It is designed to operate over a wide voltage range and has a low power consumption. It also provides a low jitter, low phase noise and low-noise clock source. All of these features make the 5P49V5913B002NLGI8 ideal for embedded applications.

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