CDC208NS

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CDC208NS is a clock buffer and driver IC specifically designed for applications in automotive and communications systems. CDC208NS is based on Adaptive Phase-locked Loop (APLL) technology and is suitable for cutting-edge digital systems such as automotive infotainment, antenna controllers, and sensor modules. The IC can clock from C0/Thru-Hold/E.U.B. up to 20 MHz. It has a programmable output driver stage, improved jitter performance and excellent noise immunity.

Introduction to CDC208NS:

The CDC208NS is an extremely low-skew buffer, with improved jitter performance. It is based on Adaptive Phase-locked Loop (APLL) technology that helps to reduce the clock jitter for most typical automotive and communications system applications. As a result CDC208NS is suitable for cutting-edge digital systems, such as automotive infotainment, antenna controllers, and sensor modules. This IC offers performances up to 20 MHz, with a programmable output driver stage and excellent noise immunity.

CDC208NS Applications:

CDC208NS can be used in a variety of applications such as:

• Automotive Infotainment: CDC208NS can be used as a clock buffer and driver in automotive infotainment and navigation systems.
• Antenna Controllers: With its capability of clocking output up to 20MHz, CDC208NS is ideal for antenna controllers.
• Sensor Modules: With its high level of noise immunity and improved jitter performance, CDC208NS is suitable for high-performance sensor modules.
• Test & Measurement Equipment: CDC208NS can be utilized for test and measurement applications such as oscilloscopes and logic analyzers.

CDC208NS Working Principle:

The CDC208NS is based on Adaptive Phase-locked Loop (APLL) technology. The APLL circuit is used for digital clock buffering and frequency control. The circuit utilizes a phase-locked loop (PLL) with a frequency-locked loop (FLL) to achieve a clock signal with minimum jitter. The circuit takes input signals from two external frequency sources, such as digital oscillators, and uses them to generate a stable clock signal with minimum jitter. The output of the APLL circuit is then sent to a programmable output driver stage. The output driver stage is divided into two separate levels with one providing the high-level drive and the other providing the low-level drive.

The APLL circuit works by comparing the frequency of its reference signal with the frequency of the input signal. The APLL then adjusts the frequency of the output signal to match the frequency of the reference signal, resulting in an output signal with minimized jitter. The output driver stage further decreases the jitter of the output signal by adding delay compensation to the signal, thus ensuring output signals with improved jitter performance.

Conclusion:

The CDC208NS is a clock buffer and driver IC specifically designed for applications in automotive and communications systems. It is based on Adaptive Phase-locked Loop (APLL) technology and provides an output frequency up to 20MHz. With a programmable output driver stage and improved jitter performance, CDC208NS can be used in applications such as automotive infotainment, antenna controllers, and sensor modules. The APLL circuit and the output driver stage work together to minimize the jitter of the output signal, resulting in an improved clock signal with excellent noise immunity.

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