SI5345D-A-GM

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The SI5345D-A-GM is a technologically advanced clock generator, built on Silicon Laboratories’ revolutionary 3rd Generation DSPLL™ technology and packaged in an industry standard 8-pin package. It is a drop-in and plug-and-play solution for applications requiring very low jitter and phase noise performance, with support for multiple output frequencies, and a low power consumption profile.

At its core, the SI5345D-A-GM is a programmable frequency synthesizer capable of generating multiple, ultra-low jitter clock frequencies from a single reference clock, making it ideal for embedded systems, very low jitter and low power applications. It also features integrated fractional-N and integer-N phase-locked loop (PLL) frequency synthesizers, including a very wide range of input and output frequency bands, allowing a high level of programmability and flexibility. Additionally, the SI5345D-A-GM supports multiple output formats, including standard CMOS, TTL, and SRAM compatible outputs, as well as a Programmable Frequency Divider, allowing it to be used for a wide range of clock generation and frequency synthesis applications.

Working Principle

The working principle behind the SI5345D-A-GM is simple: the device utilizes a combination of a low jitter Voltage Controlled Oscillator (VCO) oscillator and a 3rd Generation DSPLL™ technology, along with a highly precise fractional-N and integer-N PLL frequency synthesizer. This combination provides a very high level of control and performance for producing multiple output frequencies over its very wide range of input to output frequency bands, greatly increasing the flexibility of the device.

The VCO is the main component of the device, providing an input frequency of up to 250MHz, as well as a wide range of valid output frequencies. The frequencysynthesizer is responsible for the precise control of the VCO, allowing for precise tuning of the output frequency in order to achieve the desired output frequency. The frequency synthesizer contains an Automatic Frequency Tracking Circuit (AFTC) feature, which adjusts the VCO frequency in response to any changes in the reference input frequency to ensure precise tuning of the output frequency. The DSPLL technology handles the timing of the outputs and ensures that the total integrated jitter of the device remains very low.

Applications

The SI5345D-A-GM can be used in a wide variety of applications, such as embedded systems, very low jitter and low power applications, and systems requiring multiple output frequency bands. With its very low jitter and wide range of input to output frequency bands, the SI5345D-A-GM makes it easy to achieve maximum performance and flexibility for a variety of applications.

In embedded applications, the SI5345D-A-GM can be used to generate multiple clock frequencies from a single reference clock to allow for more efficient use of board space and power. This can enable more efficient designs that are easier to use and maintain, and can provide a very high level of control over the output frequency of the design.

In very low jitter applications, the SI5345D-A-GM provides a low total integrated jitter profile, making it ideal for applications requiring the highest accuracies possible with minimal jitter. This makes it ideal for applications such as telecommunications networks, industrial automation, and instrumentation.

In low power applications, the SI5345D-A-GM offers an extremely low power consumption profile, allowing designers to achieve maximum efficiency while minimizing power consumption. This makes it ideal for battery-powered devices, as well as applications where power saving is of paramount importance.

In applications requiring multiple output frequency bands, the SI5345D-A-GM is capable of providing a very wide range of input and output frequencies, allowing designers to create very high-performance designs. This allows for more customization of the clock outputs, enabling more efficient designs and more design flexibility.

Conclusion

The SI5345D-A-GM is a technologically advanced clock generator and frequency synthesizer, built on Silicon Laboratories’ revolutionary 3rd Generation DSPLL™ technology and packaged in an industry standard 8-pin package. It provides programmable, ultra-low jitter performance and low power consumption, making it ideal for embedded systems, high-precision applications, and low power applications. With its wide range of input and output frequencies, it is capable of producing multiple frequencies from a single reference clock and is suitable for a wide range of clock generation and frequency synthesis applications.

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