813N2532CKLF

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The 813N2532CKLF is a clock generator, frequency synthesizer, and programmable PLL (phase lock loop) device. It provides multiple output frequencies with good jitter performance and very low input current. It can generate outputs from a wide range of frequencies, and is suitable for use in a variety of applications, from frequency synthesis for communications protocols to time base circuits for autonomous systems.

Applications

The 813N2532CKLF is ideally suited for a range of applications including high performance test and measurement, communications, clock and timing systems, and other data processing applications. It is also suitable for applications requiring low-noise and low-jitter clock synchronization. It is particularly well-suited for high performance test and measurement systems, where reliable operation with low phase jitter is critical. It is also used in communications systems using phase-locked loop (PLL) technology, where sustained system stability is important. Finally, the 813N2532CKLF is popular in graphics processing, HD video processing, and medical imaging systems.

Features

The 813N2532CKLF features a wide range of output frequencies, ranging from 12.8MHz to 200MHz, with clock stability as low as 2.8ppm. The onboard microcontroller provides various output frequency settings via an I2C interface. The clock generator also supports dual synchronization inputs, allowing it to synchronize with two separate external clocks, thereby reducing system complexity and cost. In addition, it supports multiple reference frequencies, providing flexibility for system design. Other features include programmable output drive strength and programmable output disabling for additional power savings.

Working Principle

The 813N2532CKLF is based on a highly integrated PLL design, which works by constantly adjusting the frequency of an output clock to match the frequency of an input reference clock. The internal microcontroller sets and maintains the output frequency by adjusting the parameters of the internal PLL. The PLL first multiplies the input frequency by a certain factor, then actively maintains the output frequency by using the feedback to compensate for any variations due to temperature or other environmental factors. The 813N2532CKLF also contains an optional frequency divider circuit to further adjust the output frequency.

In addition, the device includes a locking circuit to prevent the frequency from drifting while in lock mode. When the device is not locked, the output frequency is determined by the ratios of the on-board capacitors and resistors. Finally, the device has an internal current source, which can be used to reduce the amount of input current during normal operation.

Conclusion

The 813N2532CKLF is a flexible, low-power clock generator, frequency synthesizer, and programmable PLL device. Its low power consumption and wide range of output frequencies make it ideal for a variety of applications such as communications, test and measurement, and medical imaging systems. Its features, such as dual synchronization inputs, programmable output drive strength, and an internal frequency divider provide further design flexibility. It provides reliable operation with low phase jitter and low input current, making it an excellent choice for high performance clock and timing systems.

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