SI5338A-B-GMR

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The SI5338A-B-GMR is part of the family of Silicon Labs clock and timing devices, which are widely used in a variety of industrial and consumer electronics applications. It is designed for applications needing a system clock solution with low-power consumption and low electromagnetic interference (EMI). It has the most comprehensive feature set and highest accuracy, which makes it well suited for many applications, including industrial test, control and monitoring systems, communications, RF systems, and embedded systems.

Features of the SI5338A-B-GMR

The SI5338A-B-GMR has a range of features, including:

• High-accuracy output clocks and reference clocks for maximum system clock performance
• Low-power consumption, making it ideal for portable device applications
• Wide jitter bandwidth, giving wide tolerance and flexibility
• Low EMI/EMC performance, providing improved system performance
• High integration, reducing component count and system cost
• Programmable frequency synthesis with fractional division and frequency hopping
• High frequency and wide frequency range to comply with multiple standards
• Optional output buffers and input/output filtering reduce EMI

Applications for the SI5338A-B-GMR

The SI5338A-B-GMR can be used in a variety of industrial and consumer applications. It is well suited for applications where low power consumption and low EMI are required, such as control and monitoring systems, communications systems, RF systems, and embedded systems. It can also be used for applications requiring high-accuracy output clocks, such as frequency synthesizers, motion control systems, and audio systems.

The SI5338A-B-GMR is particularly well suited for automotive applications. Applications such as engine control, airbag control, and navigation systems rely on precise timing and frequency synthesis accuracy, yet must also comply with tight automotive EMI and power limits. The SI5338A-B-GMR is able to meet these requirements, making it an ideal choice for automotive applications.

Working Principle of the SI5338A-B-GMR

The SI5338A-B-GMR integrates a reference clock, PLLs, input/output filters and output buffers in one component. The device uses an on-chip crystal as the reference clock source. This reference clock is used as the input to the device\'s phase-locked loop (PLL), which can be configured to generate output clocks with frequencies that are an integer or fractional multiple of the reference clock. The PLL can also be used for frequency hopping, providing the system with improved stability and the ability to meet tighter EMI requirements.

The SI5338A-B-GMR also includes input/output filtering, which can be used to reduce EMI. The device also includes programmable output buffers that can be used to adjust the output impedance and reduce EMI. The device also includes programmable slew rate control, which can be used to reduce EMI even further.

Conclusion

The SI5338A-B-GMR is an ideal solution for a variety of applications requiring a low-power, low-EMI clock solution. It has a wide range of features and a high-accuracy output clocks, making it well suited for industrial test, control and monitoring systems, communications systems, RF systems, embedded systems, and automotive applications. The SI5338A-B-GMR integrates a reference clock, PLLs, input/output filters and output buffers in one component, making it a convenient and cost-effective solution.

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