5P49V5901B672NLGI8

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers – 5P49V5901B672NLGI8

Today’s electronic designs are growing increasingly complex requiring precise operation, requiring lower supply voltages, and needing to work with digital device networks. That’s why devices such as the 5P49V5901B672NLGI8, an advanced clock generation and jitter attenuation device IC from Texas Instruments, are so important. This one device allows OEMs to tailor timing solutions to fit their system requirements with minimal effort.

The 5P49V5901B672NLGI8 is a clock generator, PLL and frequency synthesizer, all-in-one IC. It is designed to offer condition- dependent clock and data tracking, jitter attenuation, and frequency synthesis in a single package. It is ideal for applications requiring several different clock sources, multiplexers and divider networks. The device also offers a wide range of clock rates, integration capabilities and flexibility.

Application Field

The 5P49V5901B672NLGI8 is used in a wide variety of applications including digital audiovisual (DTV), audio video bridging (AVB), Ethernet switches, routers, point-to-point links, bridges and other systems that require timing control. It is also ideal for network timing applications and Ethernet switching in harsher environmental conditions, where it eliminates external components and leverages the integrated jitter-attenuating PLL/VCO.The device is also well-suited for a wide range of industrial and energy management applications, including command and control systems and sensor networks.

Working Principle

The 5P49V5901B672NLGI8 device is a low-power, high-accuracy, PECL clock generation, PLL, and frequency synthesizer whose main application is to create a high-accuracy clock signal. It acts as an amplifier, increasing the signal-to- noise ratio and increasing the frequency accuracy of the input clocks. The device amplifies and phase-shifts the input clock frequency, and then locks the incoming signal to generate a high-precision output clock. This allows the device to build and maintain an accurate clock signal with minimal jitter.

The 5P49V5901B672NLGI8 can synthesize frequencies from three different sources and combine them to provide a single output signal. It can take two input signals from across the clock tree or a single signal from outside the clock tree, and using programmable dividers, phase-locked loop (PLL) and phase-shifters the device can generate a high-accuracy, jitter-reduced output frequency. The device even features programmable output phase and jitter attenuation settings to help further ensure precise operation.

The 5P49V5901B672NLGI8 also includes spread-spectrum reduction testing, programmable output slew rate for better efficiency, and three high-frequency reference oscillators, providing a wide range of frequencies from 19.442MHz to 1.50GHz. This ensures the device can handle a wide range of frequencies and supply voltages allowing it to be used in various applications. Processing control is integrated into the device allowing it to provide a high degree of jitter performance and flexibility.

Conclusion

The 5P49V5901B672NLGI8 is an advanced all-in-one IC designed to offer condition-dependent clock and data tracking, jitter attenuation, and frequency synthesis. It is ideal for applications requiring several different clock sources, multiplexers and divider networks. It is designed to provide a high degree of jitter performance, programmable output slew rate for better efficiency, and three high-frequency reference oscillators. This allows the device to handle a wide range of frequencies and supply voltages while still providing precise and dependable operation.

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