MK3200STR

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The MK3200STR is an integrated circuit that performs various clock and timing related functions, including frequency synthesis, clock generation, and precision PLL, making it suitable for a wide variety of applications. The device features two independent clock outputs, a 10-bit divider, and a 5-bit divider, allowing it to cover a wide range of frequencies. The MK3200STR also offers a low operating current, making it ideal for battery-powered applications. This makes it suitable for a variety of industry applications, including automotive, industrial, communication, and audio/video.

Applications

The MK3200STR can be used in applications needing frequency synthesis from an integer-ratio clock source. This could range from creating a high-precision timebase for audio applications, such as generating a 44.1KHz clock for an audio DAC, or for video applications, such as for creating a pixel clock for a video capture card. It is also suitable for frequency multiplication, as well as for applications needing low phase noise and very high jitter tolerance. Additionally, it could be used for clock generators, providing a wide range of frequencies for different functions. Lastly, the device is suitable for a variety of precision phase-locked loop (PLL) applications, where it can be used to precisely lock the frequency of a signal (such as a clock) to an input reference signal.

Working Principle

The basic principle of how the MK3200STR works is simple. It uses a phase-locked loop (PLL) to achieve a frequency lock based on an input frequency reference. The PLL uses a proportional-integral-derived (PID) loop filter to provide stability and precision. The loop filter consists of an integrator, a limiter, a resistor and a capacitor. The input reference frequency is then provided to the PLL, which generates a frequency lock with minimal jitter and phase noise. The divider circuit divides the output frequency of the PLL, the divider output is selected from the integrated 10-bit and 5-bit dividers.

The device also features different input modes, including direct input, VDD reference, divided input, RESET and UVT. The specific features of the device can be configured by setting the appropriate bits in the register, thus allowing the user to quickly and easily tailor the device to specific needs. Additionally, an internal oscillator allows the device to be used in a stand-alone mode without the need for an external clock reference.

Conclusion

The MK3200STR is an ideal choice for a wide range of clock generation, frequency synthesis, and precision PLL applications. Its low-power operation makes it suitable for battery-powered applications, while its wide range of features allows the user to tailor the device to specific needs. Additionally, the integrated 10-bit and 5-bit dividers allow for a range of frequencies and resolutions. Finally, the device includes an integrated oscillator for standalone operation, making it a convenient and easy-to-use solution for a variety of clock-generation needs.

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