SI5338B-B08759-GM

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Clock/Timing systems play an important role in various applications, from PC clocks and synchronized event control to media streaming and navigation systems. The SI5338B-B08759-GM is a highly integrated four-output clock generator and precision jitter cleaner designed to meet the performance requirements of a wide variety of applications that demand high jitter performance and low power dissipation.

Overview
The SI5338B-B08759-GM is a true four-output clock generator with eight spread spectrum clock outputs, offering a variety of on-chip clock sources and frequency translation capabilities. The device supports a wide frequency input range of 100 kHz to 500 MHz, and is capable of generating outputs as high as 392 MHz. The output clocks and spread spectrum clocks offer a jitter of less than 1 ps.

Application Field and Working Principle
The SI5338 is well-suited for many backplane and chip-to-chip timing solutions. This chip offers a number of essential features for such applications, such as very low jitter, tight frequency tolerance, and wide input frequency range. The output clocks can be individually enabled and disabled, and can be adjusted for frequency and/or phase shift.

The SI5338B-B08759-GM supports a variety of spread spectrum clock modulation techniques including constant center frequency sweep, constant amplitude delta modulation and constant frequency delta modulation. The device also provides spread spectrum clock enable/disable capability and allows an adjustable amount of propagation delay variation.

The SI5338B-B08759-GM can produce four differential, synchronized outputs as well as four spread spectrum clocks simultaneously. The device has a low profile, surface mountable Molded Quad Flat No-Lead (MQFN) package with pins compatible with IC sockets. It is available in commercial, industrial and automotive temperature ranges.

Design Benefits and Features
The SI5338B-B08759-GM offers several benefits for backplane and chip-to-chip timing applications. Its high level of integration reduces board space, making it ideal for space-constrained designs. Its wide frequency range and its tight frequency tolerance make it suitable for applications that require stable clock signals. The device\'s low power consumption reduces heat dissipation and extends system performance. In addition, its multiple frequency and spread spectrum modulation capabilities provide a greater level of control over clock functions.

The SI5338B-B08759-GM is designed to be programmable using a standard two-wire serial interface. It provides the user with access to a wide range of features, such as output frequency and spread spectrum modulation. An onboard temperature sensor allows the device to autonomously adjust itself according to temperature variation. The device\'s built-in phase lock loop ensures that the output frequency is always locked to the input frequency.

Conclusion
The SI5338B-B08759-GM is a highly integrated four-output clock generator and precision jitter cleaner that offers a variety of clock outputs and modulation options. The device\'s low power consumption and wide frequency range make it ideal for backplane and chip-to-chip timing solutions. In addition, its onboard temperature sensor, phase lock loop and spread spectrum modulation capabilities allow the device to be configured for a variety of applications.

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