SI5018-B-GM

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The Silicon Labs SI5018-B-GM series of clock generators is an example of a specialized clock part designed for optimal performance for a wide range of consumer, industrial and communications applications, designed for use with a variety of system-level clock networks. This document will discuss the application field and working principle of the SI5018-B-GM.

Application Field

The SI5018-B-GM is specifically designed to provide high-frequency clock generation for consumer and industrial applications. The device is capable of generating frequencies up to and including 3GHz in a very small form factor. Furthermore, the SI5018-B-GM is designed for use with a variety of system-level clock networks, such as differential and multiple-load or multiple-frequency clock networks. With its low power consumption, the SI5018-B-GM is an ideal solution for consumer applications where power efficiency is a must. The chip is also available with an HCSL-74 and an HCSL-85 package, both of which are optimized for wire-to-wire operation and extended voltage operation up to 3.3V.

Working Principle

The SI5018-B-GM is a clock generator that converts a standard source clock frequency into a wide range of output clocks. It is capable of operating from a single input clock frequency and is programmable through a simple I2C interface. The device can be programmed to generate multiple output frequencies across a wide range of frequencies, including multiple clock signals of different frequencies. The output clock signals are tuned to the desired frequency by applying a programmable delay line that corrects for the intrinsic properties of the associated system-level clock networks. This feature makes the SI5018-B-GM an ideal choice for systems that require high-speed switching in the frequency range of up to 3GHz.

The chip is capable of providing high-accuracy frequency synthesis. The SI5018-B-GM is capable of outputting frequencies with a high degree of accuracy and is suitable for use in applications with stringent performance requirements. Furthermore, the chip offers a wide range of jitter and phase performance parameters, allowing designers to customize their designs for optimal performance.

In addition to providing a range of output clocks, the SI5018-B-GM enables frequency synthesis of complex multi-frequency clocks from a single input clock. The frequency synthesis is achieved by internally changing the duty cycle of each output signal in order to generate a desired output frequency. This feature eliminates the need for multiple external clock sources and reduces the overall system components, resulting in reduced costs and improved reliability.

The SI5018-B-GM also offers a wide range of advanced functionality, such as built-in power-saving mode, which reduces power consumption when no signal is present on the output. The chip also provides additional advanced features, such as integrated spread spectrum clocks, which can be used to reduce EMI levels in high-frequency applications.

Conclusion

The SI5018-B-GM is a high-performance clock generator designed specifically for consumer, industrial and communications applications. It is capable of generating up to 3GHz output frequencies in a very small form factor, and it is designed for use with system-level clock networks. The device is programmable via a simple I2C interface, and it also offers a wide range of advanced features, such as power-saving mode and built-in spread spectrum clocks. The SI5018-B-GM is a versatile and reliable solution for applications that require high-speed clock generation and frequency synthesis.

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