533AA000108DG

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Pin Configurable/Selectable Oscillators are used within the electronics industry to generate clock signals of different frequencies in order to enable communications between devices within an embedded system. The 533AA000108DG is an example of one such oscillator. It is an ultra-low jitter oscillator with a low current consumption, making it a cost-effective solution for a wide range of applications.

Application Field

The 533AA000108DG is suitable for a variety of application fields. It may be used for reference clock sources utilised in multi-channel communication systems, as well as other professional audio and video applications. It is well suited to digital PLL loops, and can also be utilised in RF modems, data converters and high speed analogue-to-digital converters.

Operating Principle

The 533AA000108DG utilises a crystal quartz device to facilitate the generation of precise frequency signals. It utilises a digitally-controlled oscillator (DCO) followed by a frequency divider. The divider maintains a low-power consumption of the circuit by preventing the output frequency from going above the maximum frequencies as present within the standards for frequency control.

The oscillator itself is controlled by a set of control pins, which modify the internal control configuration within the device. Several parameters, such as the internal resistor and capacitor of the circuit’s voltage-controlled oscillator (VCO) can be encountered and modified in order to modify the frequency outputted within the oscillator.

The DCO has a base frequency of around 100MHz, which is divided by several frequency dividers, depending on the frequency setting required. The divider will set the frequency output between 6kHz up to 200MHz. The frequency selection can be altered using the appropriate combination of control pins.

Conclusion

The 533AA000108DG is a pin configurable/selectable oscillator, which uses a crystal quartz device to generate precise frequency signals for various applications, such as reference clocks for audio/video systems, and RF modems. Its low power consumption coupled with its low-jitter makes it a cost-effective solution for a wide range of applications. Its controls pins allow for easy adjustment of the frequency outputted by the oscillator and customization of its parameters.

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