CY23S08ZXC-1HT

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CY23S08ZXC-1HT Application Field and Working Principle

CY23S08ZXC-1HT is an ultra-small clock generator and PLL frequency synthesizer that can generate up to five frequency outputs. It operates from a single supply voltage and can provide outputs ranging from 200kHz to 500MHz. It is ideal for a wide range of digital frequency applications.

Features:

• Ultra-small size with low profile packages
• Wide operating temperature range (-40 to +85°C )
• Programmable reference sources available
• Selectable output range up to 500MHz
• Low cycle-to-cycle jitter (< 100 picoseconds)
• RMS jitter below 1.0ps

Applications:

• Computer storage systems
• Networking systems
• Communication systems
• Medical equipment
• Automotive systems
• Power line modulation

Working Principle

The CY23S08ZXC-1HT clock generator and PLL frequency synthesizer is a highly integrated, four-channel, dual voltage analog device with selectable output frequencies, programmable source selection, and single-supply operation. The device utilizes an external programmable reference source (such as a crystal oscillator) to synthesize multiple output frequencies up to 500MHz. The output frequencies can be programmed to provide phase locked loop (PLL) output in order to suppress signal jitter and noise.

The on-chip PLL synthesis is achieved by the combination of a voltage-controlled oscillator (VCO), phase detector, and loop filter. The VCO is configured to generate the desired output signal whenever it is triggered. The phase detector compares the phase difference between the external reference source and the VCO output, and the loop filter acts to dynamically adjust the loop gain of the phase detector and the VCO, resulting in a stable, high-quality output signal.

The CY23S08ZXC-1HT is a highly flexible device, allowing the user to select a wide range of output frequencies, from 200kHz to 500MHz, to match specific applications. Furthermore, the output frequency and phase may be steplessly adjusted via an external digital-to-analog converter (DAC). The device also features on-chip programmable gain and offset adjustment for optimal operation.

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