PL123E-09HOC

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Modern electronic systems have a need for reliable and accurate timekeeping and synchronization in order to maintain proper operation and data integrity. High-performance clock generators, phase-locked loops and frequency synthesizers have been around for decades in order to meet these growing demands. Now, with the introduction of the PL123E-09HOC clock/timer generator, engineers can utilize a reliable, high-performance solution that is designed to meet the most rigorous timing requirements. This article will cover the application field, working principle and features of the PL123E-09HOC.

Application Field

The PL123E-09HOC is a high-performance clock/timer generator that is designed for use in high-performance, low-power embedded applications such as military, industrial and medical systems. It is specifically geared towards applications that require precise timing and synchronization, such as communication systems, automotive infotainment systems, printing systems, and digital audio/video applications.

Working Principle

At its core, the PL123E-09HOC utilizes a phase-locked loop (PLL) for frequency generation and synchronization. A PLL is an electronic circuit consisting of a voltage-controlled oscillator (VCO) and a frequency-mixing section. The VCO converts a reference frequency into an output frequency that can be adjusted to follow the reference frequency. The frequency-mixing section combines the output of the VCO with the reference frequency to produce a feedback signal that is compared to the reference signal. When the two signals are in phase, the VCO will adjust its frequency until the frequency of the feedback signal matches the reference frequency. This process is known as frequency synthesis and the frequency of the output of the PLL can be adjusted by changing the reference frequency.

The PL123E-09HOC takes advantage of this frequency synthesis process to create outputs with precise timing. The device supports both digital and analog outputs, with up to 10 outputs available. It has a reference input range of 8MHz to 200MHz and an output frequency range of 500kHz to 200MHz. The device also features adjustable output drive capabilities and offers internal programmable resistor pull-up/pull-down options for maximum flexibility.

Features

The PL123E-09HOC uses advanced circuit design techniques in order to provide exceptional performance and reliability. It features an on-board phase-locked loop that uses a charge pump to provide a typical output frequency accuracy of ± 100 ppm. This results in a total output jitter of less than 0.2 ps RMS. The device also offers a wide power supply range with a typical current consumption of only 28 mA.

In addition, the PL123E-09HOC offers versatile clock control and output options. It includes programmable output delay, programmable skew, and the ability to select high-frequency or low-frequency output modes. Digital outputs can be configured to follow either the on-board clock or the reference clock, while analog outputs can be configured to follow either the reference clock or an external clock.

The device features a wide operating temperature range of -40°C to 85°C, making it suitable for use in harsh environments. It also integrates advanced ESD and EMI protection measures, making it resistant to EMI, RF and ESD interference. Lastly, it has built-in conductive cooling fins to help reduce thermal noise and improve frequency stability.

The PL123E-09HOC combines all of the latest technologies in order to provide a high-performance, low-cost clock/timer generator with exceptional accuracy and stability. With its wide operating temperature range and robust EMI/ESD protection, it is ideally suited for use in embedded applications that require precise timing and synchronization.

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