SI5335B-B07289-GMR

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The SI5335B-B07289-GMR clock generator is a versatile and highly precise clock generator that is ideal for high-precision low-phase-noise applications. It offers a comprehensive set of features with one of the highest output frequencies and lowest power consumption of any clock generator available in the market today. It is ideal for applications such as telecommunications, datacom, aerospace, or consumer electronics in which precise high-frequency clocks are required. This article will discuss the SI5335B-B07289-GMR’s application field, its working principle, and its features and benefits.

Application Field

The SI5335B-B07289-GMR clock generator is suitable for a wide variety of applications due to its wide frequency range, a typical oscillator stability of ±25 ppm over a temperature range of 0°C to 70°C, and a wide voltage range from 3 to 5.5V. Examples of possible applications include:

• Telecommunications systems, including but not limited to digital cross-connects and telecom switching systems
• Networking devices such as routers, switches and digital modems
• Designs in the aerospace and military fields
• Power management applications
• Notebook and desktop PCs, as well as consumer electronics

Working Principle

The SI5335B-B07289-GMR features a digitally controlled frequency synthesizer and a high-frequency voltage-controlled crystal oscillator (VCXO) that provide very high output frequency stability and low phase noise. This allows it to generate output signals across a wide frequency range of 5 to 200 MHz. It also provides support for various timing requirements, including multiple operating modes, programmable frequencies with fine step size, frequency stretching for digital clocks, and frequency shifting for analog clocks.

In addition, the SI5335B-B07289-GMR has an advanced power management system that allows it to remain in a low-power state when not in use and then rapidly switch to a high-speed mode when needed. The device also integrates a low-bias/low-EMI RF output stage to reduce the need for external components. The integrated output drivers also provide a high level of flexibility and compatibility with a wide range of crystal oscillators.

Features and Benefits

The SI5335B-B07289-GMR features a wide frequency range of 5 to 200 MHz, a typical oscillator stability of ±25 ppm over a temperature range of 0°C to 70°C, and a wide voltage range of 3 to 5.5V. It also offers various operating modes, programmable frequencies with a fine step size, frequency stretching for digital clocks, and frequency shifting for analog clocks. In addition, the SI5335B-B07289-GMR features a low-power consumption of less than 1 mW when in standby mode, and a high-speed mode with output frequencies up to 200 MHz.

The device is also designed for high-precision applications and features a low-EMI ultra-low phase-noise RF output stage to minimize the need for external components. The integrated output drivers provide a high level of compatibility with various crystal oscillators, and the device also features a built-in slewing feature that allows the output frequency to be slowed down to reduce the power consumption and further enhance the accuracy of the output signal.

Overall, the SI5335B-B07289-GMR clock generator is an ideal choice for applications requiring high-precision and low-phase-noise output, such as telecommunications and datacom networks. It provides a robust set of features that allow it to generate output signals across a wide frequency range of 5 to 200 MHz, and its low-power consumption and advanced power management system make it an ideal choice for mobile and battery-powered applications.

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