SI5338N-B04252-GM

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SI5338N-B04252-GM, is a low-jitter, low-cost, 127MHz fractional-N clock generator based on Silicon Labs’ XpressGX™ architecture. It offers a comprehensive array of flexible, frequency-selectable inputs and outputs for creating a complete clocking solution for low-frequency applications, such as consumer and industrial consumer electronics, network alarm and home automation systems, and transportation telemetry applications.

The device’s main working principle is based on the frac-N architecture, which continually and incrementally adjusts the ratio between the input and output frequencies. Frac-N then micro adjusts the input frequency, allowing a single low-cost crystal oscillator to generate any frequency with very high precision. This allows SI5338N-B04252-GM to achieve an output frequency with very low frequency tolerance, jitter and phase noise.

The low-jitter, low-cost and wide-frequency approach of the SI5338N-B04252-GM are particularly well-suited for applications that require accurate frequency generation with low-power and low-cost input sources, such as clocks for local Ethernet LANs, cable modems, routers and sensor networks. The SI5338N-B04252-GM can also be used for clock generation for different audio, communication, and multimedia applications, where high-precision frequency generation is essential. It can also be used in automotive and military embedded systems, where clock synchronization and low-jitter products are needed.

In addition, the device’s integrated Low Power Clock Synthesis (LPCS) feature allows the SI5338N-B04252-GM to reduce power consumption by up to 25%. The integrated PLL (phase lock loop) also provides clock debouncing and glitch filtering functions, ensuring the highest accuracy and reliability when clocking critical digital components. In addition, the device also supports more than 20 output drivers, allowing the user to choose the best driver to meet the specific clock needs.

The SI5338N-B04252-GM is an incredibly valuable tool for designers in the application specific clock and timing category. Thanks to its extremelly low-cost, low-jitter, and low-power synthesis technology, it is capable of providing much higher accuracy and reliability for sensitive timing systems than traditional clock solutions. It is definitely well worth considering for clock/timing designs in these areas.

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