SI5338K-B07901-GM

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The SI5338K-B07901-GM is a highly integrated clock generator IC specially designed for clock/timing applications which need frequency flexibility as well as integration into a single IC.

This device has many applications to choose from, such as video over Internet Protocol (IP) networks, cellular base stations, set-top boxes, and industrial machine networks. It also works with high bandwith peripherals, digital data storage, and high-speed networking devices.

Being a single-chip solution, the SI5338K-B07901-GM simplifies the design process and therefore enables faster time to the market for high-end applications requiring reliable, high-speed performance. Moreover, it has a wide frequency range of 15 – 230 MHz, a jitter of less than 10 ps, and supports low noise, spread spectrum clocking (SSC). All these features make it the ideal solution for high-performance, reliability, and integration.

The SI5338K-B07901-GM consists of two internal oscillators, five clock outputs, four differential clock outputs, four reference clock inputs, three reference clock outputs, and an infrared (IR) serial port interface. It also features dedicated jitter-attenuation components and an integrated loop filter with adjustable parameters. This integrated loop filter simplifies the design process and allows the designer to quickly configure and set the desired frequency.

To reduce the cost and complexity of a system, the SI5338K-B07901-GM utilizes a single clock as the main reference and output clock. This provides cost savings as compared to multiple clocks and multiple calibration loops. The device also provides clock switching capability for applications that require frequency flexibility.

In terms of working principle, the SI5338K-B07901-GM starts by receiving a reference clock input from an external source, such as a crystal oscillator or seed device. This reference clock is then compared to a target frequency, which is determined by the user. If the reference clock does not match the target frequency, the integrated loop filter is adjusted until the reference clock matches the target frequency.

Once the reference clock is matched to the target frequency, the SI5338K-B07901-GM then generates clock outputs that provide the desired frequencies. These clock outputs are then provided to downstream components, such as network data converters or processors.

In order to reduce jitter, the SI5338K-B07901-GM employs jitter attenuation components such as automatic loop bandwidth control and differential feedback loops. These components actively monitor changes in the reference clock frequency and feedback any change back to the loop filter, which ensures that the output oscillation is of a low jitter nature.

Overall, the SI5338K-B07901-GM is an excellent choice for applications which require a high level of frequency flexibility as well as integration in a single IC. Its wide frequency range and jitter attenuation capabilities make it an ideal choice for high-end applications such as video over IP networks, cellular base stations, and set-top boxes. It also simplifies the design process and has a low power consumption, making it more efficient than other clock generator ICs.

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