CY25823ZXC

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CY25823ZXC is a type of clock generator, phase-locked loop (PLL), and frequency synthesizer. It is composed of a voltage-controlled oscillator (VCO), and phase/frequency detector, two programmable dividers, two digital control input pins and a selectable output. It can generate reliable jitter-free clock signals from an input FREF to any frequency from 204 KHz to 622 MHz. This product is optimized to operate at supply voltages ranging from 3.0V to 3.6V.

Application Field

The CY25823ZXC air-core PLL is well suited for a wide range of applications where the generation of synchronized clock frequencies is needed. It can be used in automatic test equipment, network systems, computer peripherals, monitors, disk drives, cellular handsets, and so forth. This device is field programmable and helps reduce inventory cost.

Core Features

The core features of the CY25823ZXC air-core PLL include: a low jitter VCO PLL, programmable dividers, low noise on-chip VCO, adjustable bandwidth for PLL stability, frequency multiplication factor for faster clock unlocking and oscillation startup, an on-chip 200 KHz FSK VCO output, an on-chip pre-scaler with programmable divide-by-1/2/3/4/5/6, an on-chip digital frequency lock detector.

Working Principle

The basic working principle of the CY25823ZXC air-core PLL is to compare a reference signal generated by a VCO against a reference frequency, and adjust the oscillator frequency for better accuracy. When the PLL is operating, the VCO input voltage is modulated to maintain the desired oscillation frequency. The output frequency is amplitude-controlled using an additional input, and hence has minimal frequency deviation.

The CY25823ZXC features an on-chip phase/frequency locked loop, which uses a low jitter VCO and programmable dividers to generate reliable jitter-free clocks. It also features an on-chip pre-scaler that allows for finer frequency resolution, as well as digital frequency lock detection. The CY25823ZXC also enables adjustable output frequency bandwidth control for PLL stability.

Overall, the CY25823ZXC air-core PLL is a cost-effective, easy-to-use solution for applications requiring synchronization of clock frequencies. This device provides reliable performance and flexibility, making it well suited for a variety of applications that require advanced timing requirements.

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