MAX3673ETN+T

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The MAX3673ETN+T is a commercial-grade clock generator designed for industrial and commercial applications. It combines a low-power, area-efficient phase-locked loop (PLL) with an oscillation frequency synthesizer, a low-frequency crystal oscillator, and an integrated spread-spectrum clock output buffer. The clock generator belongs to the clock/timing category of clock generators, PLLs, and frequency synthesizers.

The main application field of MAX3673ETN+T is in industrial timing or synchronization and is typically used for providing an accurate and reliable clock signal for a wide range of applications such as industrial automation, factory automation, automotive electronics, display and multimedia technologies, communication infrastructure, etc. It can support a wide range of frequency outputs from 12 kHz to 400MHz, making it the ideal clock generator for many high-frequency applications.

The working principle of the MAX3673ETN+T is based on its PLL and frequency synthesizer circuits. The PLL is a circuit that locks the phase of an input frequency and enables the output frequency to be adjusted by an adjustable parameter. In the MAX3673ETN+T, this adjustable parameter is the VCO (Voltage Controlled Oscillator) gain, which is set by an external resistor. The PLL will output the frequency set by the VCO gain and will lock the phase of the input signal to provide a stable, jitter-free clock signal. The frequency of the signal can be adjusted by changing the VCO gain.

The frequency synthesizer in the MAX3673ETN+T acts as a digital frequency divider to take an incoming signal and divide it by an integer multiple to produce a lower output frequency. This frequency divider is used to generate a wide range of frequencies from 12 kHz to 400MHz with a high level of accuracy and stability. The frequency of the output signal can be controlled by changing the values of the Frequency Division Control Register (FDCR).

The clock output buffer in the MAX3673ETN+T provides spread-spectrum jitter attenuation for the output signal by adding random jitter to the reference clock. This helps reduce EMI, which is important in applications such as industrial automation and factory automation, where EMI is a major concern. The spread-spectrum clock output buffer also helps reduce system noise in high-frequency systems.

In summary, the MAX3673ETN+T is a commercial-grade clock generator designed for a wide range of industrial and commercial applications. It combines a low-power, area-efficient phase-locked loop (PLL) with an oscillation frequency synthesizer, a low-frequency crystal oscillator, and an integrated spread-spectrum clock output buffer. The main application fields of the MAX3673ETN+T are in industrial timing or synchronization and it is typically used for providing an accurate and reliable clock signal for a wide range of applications such as industrial automation, factory automation, automotive electronics, display and multimedia technologies, communication infrastructure, etc. It can support a wide range of frequency outputs from 12 kHz to 400MHz and the clock output buffer helps reduce EMI and system noise with spread-spectrum clock. The working principle of the MAX3673ETN+T is based on the phase-locked loop (PLL) and frequency synthesizer circuits, with the PLL locking the phase of an input frequency and the frequency synthesizer acting as a digital frequency divider to produce a lower output frequency.

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