5P49V5901B564NLGI8

Series:	*
Packaging:	Bulk
Part Status:	Active
Mounting Type:	Surface Mount
Package / Case:	24-VFQFN Exposed Pad
Supplier Device Package:	24-QFN (4x4)

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Clock/Timing – Clock Generators, PLLs, Frequency Synthesizers

The 5P49V5901B5ICNLGI8 is a clock generator, phase locked loop (PLL) and frequency synthesizer targeted for high-speed and low-noise clock generation applications. It is a perfect solution for generating a variety of frequencies from a single reference oscillator and is widely used in telecommunications, networking, computer, and other clock-dependent applications.

Application Field

The 5P49V5901B5ICNLGI8 provides a complete clock solution for a variety of applications including clocking architectures, system management, timing control, and phase synchronization. Some of the applications it is suitable for are listed below.

• Network/communications applications-All types of routers or other data transmission or access equipment, such as xDSL, SONET, and ATM.
• Computer switching and patching-The 5P49V5901B5ICNLGI8 can be used to provide a flexible clock architecture for network and computer applications such as server clusters, data switches, and patch panels.
• Automotive-The device can be used in automotive applications that require low-noise, high-speed clock generation such as car navigation systems and audio/video systems.
• High-speed memory systems-For high-speed memory systems such as SDRAM and DDR SDRAM, the 5P49V5901B5ICNLGI8 can be used for providing low-noise, high-speed clock synchronization.

Working Principle

The 5P49V5901B5ICNLGI8 uses a PLL to provide a high-speed, low-noise clock. The device integrates a phase detector, voltage-controlled oscillator (VCO) and loop filter into a single integrated circuit (IC). The phase detector compares the frequency and phase of the input reference oscillator to the output of the VCO. The differences between the two signals are used to control the VCO in order to maintain the same frequency and phase at the output as at the input. This is done by adjusting the gain of the loop filter, allowing the VCO output frequency to be varied.The 5P49V5901B5ICNLGI8 also incorporates a frequency synthesizer to generate a wide range of frequencies from a single reference clock. The frequency synthesizer consists of a feedback shift register (FSR) which is clocked by the reference clock. By varying the output of the FSR, a wide range of frequency outputs can be synthesized from a single reference clock.

Conclusion

The 5P49V5901B5ICNLGI8 is a versatile clock generator, phase locked loop (PLL) and frequency synthesizer that is suitable for a variety of low-noise, high-speed clock generation and synchronization applications. By integrating a phase detector, voltage-controlled oscillator (VCO) and loop filter in one IC, the device provides a complete clock solution for a variety of telecommunications, networking, computer, and automotive applications. The included frequency synthesizer also enables the generation of a wide range of frequencies from a single reference clock.

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