ADF4107BRUZ

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The ADF4107BRUZ is designed for use in frequency synthesis, clock and subsystem timing applications. It is a low phase noise clock generator that features an internal phase detection and phase locking loop (PLL) phase detector, a prescaler and an on-chip clock generator.The ADF4107BRUZ provides multiple output frequencies and supports up to 2.8 Gbps/channel rates. This makes it ideal for high-speed communications, storage, and multimedia applications where frequency accuracy and jitter are paramount.

The ADF4107BRUZ also features a built-in voltage-controlled oscillator (VCO) that can generate an output frequency up to 1.2 GHz. It supports wide range frequencies spanning from 100 kHz to 1.2GHz and a phase noise level of -90 dBc/Hz at 10 kHz offset. The ADF4107BRUZ also has an integrated reference clock circuit with input frequency range of 10–120 MHz.

The heart of the ADF4107BRUZ is the on-chip phase-locked loop (PLL). The digital phase-locked loop (DPLL) is responsible for providing stable performance and reliable frequency regulation to applications. The DPLL contains two primary components; the phase detector and the voltage-controlled oscillator (VCO). The phase detector compares the reference clock frequency to the feedback signal and generates an error signal, allowing the VCO to adjust its frequency accordingly. This helps the DPLL to regulate the frequency of the clock, ensuring that the feedback signal matches the reference frequency. The VCO will then adjust the output frequency of the clock to match the reference clock frequency.

The ADF4107BRUZ also features a prescaler which divides down the oscillator output frequency before it is used to generate higher frequencies. It can operate in pulse-width modulation (PWM) or pulse-frequency modulation (PFM) control modes.In PWM mode, it allows the output frequency to be adjusted without changing the reference clock frequency.In PFM mode, the frequency of the output clock can be adjusted with a voltage or resistance input.

The ADF4107BRUZ is a low-noise, low-power device that is useful in frequency synthesis, clock, and subsystem timing applications. The on-chip PLL allows it to produce a low-noise, high-frequency output clock while the prescaler provides a wide range of frequency adjustment. These features make the ADF4107BRUZ ideal for high-speed communications, storage, and multimedia applications where frequency accuracy and jitter are paramount.

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