PL685-P8-258OC-R

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Clock/Timing - Clock Generators, PLLs, and Frequency Synthesizers are electronic components used to precisely generate and modulate a clock signal. The PL685-P8-258OC-R is a product within this field that is commonly used in embedded applications such as radio communications, digital television systems, and medical equipment. This article will discuss the PL685-P8-258OC-R’s application field, working principle, and variant specifications, providing readers with an understanding of why this product is used in so many different applications.

Application Field

The PL685-P8-258OC-R is specifically designed for embedded applications that require a precision clock signal for operations. This could include embedded systems used in radio communication and digital television systems, where timing is a key factor for successfully and accurately transmitting or receiving data. Additionally, this clock generator can be used in medical equipment, such as ultrasound and x-ray imaging systems, to help ensure consistent images and data.

Working Principle

The PL685-P8-258OC-R is an integrated multi-band clock generator and programmable fractional-N/integer-N PLL designed to generate clock signals up to 2.6 GHz. It utilizes a multi-band all-digital loop filter and a digitally controlled oscillator (DCO) along with several additional control signals, including reference clock, control registers, and input pins. Several components within the PL685-P8-258OC-R, such as the charge pump, loop filter, variable frequency divider, and DCO, all play a role in generating and controlling a precision clock signal.

The first step of the PL685-P8-258OC-R’s working principle involves taking the reference clock input and processing it through a charge pump, which controls the voltage level at the loop filter. The voltage at the loop filter will determine the output of the frequency divider, which controls the feedback of the DCO. The output of the DCO is then sent to the output pins and is monitored by a frequency divider output divider.

Once this process has been completed, the PL685-P8-258OC-R will remain in a standby mode, until the control registers, input pins, and external reference clock are changed. These changes can be used to adjust the PLL frequencies, loop bandwidths, and other parameters, which can be used to control the clock’s frequency and accuracy.

Specifications

The PL685-P8-258OC-R has numerous variant specifications, including:

• Working frequency range of 100-1000 MHz
• Outputs up to 2.6GHz
• Jitter of 0.1ps
• Single +3.3V supply operating voltage
• Integrated LC VCO
• Wide loop bandwidth of 40-200MHz
• Programmable Bandwidth Control

These specifications make the PL685-P8-258OC-R the optimal choice for embedded applications, where a reliable and accurate clock signal is needed. With the ability to generate frequencies up to 2.6GHz and low jitter, this product frequency synthesis will help ensure that devices are able to perform their operations without any delays or inaccuracies.

Conclusion

The PL685-P8-258OC-R is an important device for embedded applications where a precise clock signal is needed. Its application field includes embedded systems for radio communications, digital television systems, and medical equipment, while its variant specifications and the ability to generate frequencies up to 2.6GHz provide a great level of accuracy and reliability. Through its working principle , the PL685-P8-258OC-R is able to generate a precision clock signal that is used in a variety of important embedded applications.

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