SI5345C-A-GM

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The SI5345C-A-GM is part of the Si5345 family of best-in-class, low-jitter versatile clock generators designed for clock system architectures, with a wide range of application fields and working principles.

The SI5345C-A-GM supports both differential input and output as well as wide frequency range operation from 300 KHz to 900 MegaHertz, making it compatible with numerous devices across multiple industries. Moreover, the addition of an on-chip phase-locked loop (PLL) allows it to be used as a frequency synthesizer, deriving any desired frequency from a reference signal.

The versatile configurations of the SI5345C-A-GM provide designers with flexibility, enabling them to select between four different modes of operation. In addition to generating its own output clock, the device can also act as an arbiter, synthesizing a frequency output from an input signal, while also acquiring control of its own internal shaper circuitry. It also includes a wide range of features including integrated voltage controlled oscillators (VCOS), duty-cycle modifiers, and other advanced frequency synthesizer features.

The SI5345C-A-GM is capable of meeting stringent jitter-degrading requirements for a range of applications, including clock synchronization for distributed networks, communications infrastructure, system-on-chip (SoC) platforms, wireless communications, and autonomous vehicle systems.

In terms of operation principles, the SI5345C-A-GM consists of two main components - a Phase Frequency Detector (PFD) and a VCO. The PFD uses the differences in frequency between the input signal and the reference signal to generate a control voltage. This control voltage is then used to control the frequency of the VCO, thereby generating a synthesized clock signal whose frequency matches the input signal’s frequency.

It is also possible to configure different parameter settings, such as the PLL bandwidth and the VCO frequency. This makes the SI5345C-A-GM particularly suitable for clock system architectures that require fine-tuning and custom clock generation. Furthermore, this flexibility allows it to be used in a wide range of clock generation applications, from communications infrastructure and server platforms to embedded systems and consumer electronics.

In summary, the SI5345C-A-GM is a versatile clock generator designed for clock system architectures with a wide range of applications. It features differential input and output support, as well as wide frequency range operation from 300 KHz to 900 MegaHertz. An on-chip PLL and features like integrated voltage controlled oscillators, duty-cycle modifiers, and other advanced frequency synthesizer features enable the device to be used as a frequency synthesizer for any desired frequency from a reference signal. And, the device is capable of meeting stringent jitter-degrading requirements for a range of applications, revolving around clock synchronization for distributed networks, communications infrastructure, system-on-chip (SoC) platforms, wireless communications and autonomous vehicle systems.

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