LMX2330USLBX

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The LMX2330USLBX clock/timing device is a programmable voltage-controlled oscillator that enables flexible frequency synthesizing at a high temporal accuracy. It provides a robust yet cost-effective alternative to FPGA-based clock solutions, as well as analog solutions consisting of multiple discrete components. LMX2330USLBX works in wide temperature range, covers many output frequencies, and comes in a small SMD/SSOP package. This makes it suitable for multiple kinds of systems.

Application Field

LMX2330USLBX is suitable for many devices which need an accurate clock/timing signal, including industrial devices, automotive devices, computer peripherals, communications systems, GPS receivers, and more. With a wide operating range, high temporal accuracy, and many output frequencies, this device can be used in numerous applications in need of precise clock synthesis.

Working Principle

LMX2330USLBX works as a voltage-controlled oscillator (VCO), where the frequency of the oscillator is determined by the applied voltage. It has a built-in feedback divider, crystal oscillator, and reference divider, which allow it to program the output frequency at precise values. It also generates two outputs: a clock output and a complementary output, making it suitable for use in digital circuits where precise edges are required.

The device works by taking in a programmable clock signal from the system\'s crystal oscillator or digital clock source, and dividing its frequency to match the desired output frequency. The feedback divider is used to reduce the frequency of the signal, and the reference divider is used to provide a precise reference frequency for the feedback loop. Finally, the VCO is used to provide a constant output frequency that is proportional to the applied voltage.

The accurate temporal accuracy of the output frequency is determined by the high-stability crystal oscillator and reference dividers, which together can provide a frequency stability of up to ±20 ppm over 10 years. Furthermore, the device can be programmed via a serial interface, allowing users to configure it with the exact frequencies they need.

Conclusion

In conclusion, the LMX2330USLBX is a versatile programmable voltage-controlled oscillator that enables precise frequency synthesis at a low cost. Its wide operational range, high temporal accuracy, and many output frequencies make it suitable for a variety of applications. Furthermore, the LMX2330USLBX is easy to program, allowing users to configure it with the exact frequencies they need.

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