SI5338M-B05024-GMR

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The SI5338M-B05024-GMR is a high-performance, low-jitter clock generator, used in a variety of application-specific clock and timing applications. It is ideal for applications requiring a wide range of output frequencies, including DC-DC converting, RF, stereo DACs and other communication products. The chip has four independent outputs, allowing maximum flexibility in system designs.

Features

• Voltage range of 2.5V to 5.5V
• Low jitter for high-fidelity audio/visual applications
• Supports four output frequencies ranging from 0.5MHz to 270MHz
• Easy to use with a user-friendly interface
• Compatible with PLLs, DLLs and other digital logic
• Programmable output formats including LVDS, LVPECL, and HCSL

Application Field

The SI5338M-B05024-GMR can be used in a variety of application-specific clock and timing considerations. It is most commonly used in RF systems, telecommunications, medical imaging, multimedia systems, and military/aerospace markets. These applications require a wide range of output frequencies, making the chip an ideal choice.

Working Principle

The SI5338M-B05024-GMR works by utilizing a PLL (Phase Locked Loop). The PLL takes an input frequency, usually generated from an oscillator, and divides it by a certain number to produce an output frequency that is suitable for the application. The chip also includes an integrated digital control interface which allows users to program the output frequency and control the operation.

The first step is to set the reference clock frequency, either from an oscillator or an external signal source. This signal is then divided by a factor programmable between 2 and 1024, in powers of two, to produce an output frequency. The output clock signal is then divided by another factor between 1 and 128 to create a suitable frequency for the target application. This signal can then be used in digital logic circuits or as an output signal.

The SI5338M-B05024-GMR also contains an internal register that stores the output frequency settings. This programmable register ensures that the correct settings are applied to the circuit, allowing the user to quickly change the output frequency settings without having to re-program the circuit each time. This is especially useful for applications where multiple output frequencies are needed.

In addition to the PLL, the chip also contains jitter attenuators and spread spectrum modes that allow for better signal integrity. These features help reduce the amount of jitter in the output signal, making it more suitable for applications that require precision timing and synchronization.

Conclusion

The SI5338M-B05024-GMR is a high-performance, low-jitter clock generator ideal for application-specific clock and timing applications. It allows for output frequencies up to 270MHz and can be easily programmed via a user-friendly interface. It also includes jitter attenuators and spread spectrum modes that allow for better signal integrity in the output signal. All of these features make it a great choice for a wide range of applications.

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