SIT9002AC-43N25DG

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Programmable Oscillators

Oscillators are components that generate periodic electrical signals with a known frequency and they are typically used to control timing or synchronization in a variety of circuits. Programmable oscillators are oscillators whose frequency can be easily changed with a digital input, such as a programmable logic controller. The SIT9002AC-43N25DG is an example of a programmable oscillator.

The SIT9002AC-43N25DG has a maximum operating temperature of 95°C and an operating voltage of 3.3 V to 3.6 V. It has a frequency range of 25 MHz to 200 MHz and PWM resolution options of 8, 12, 16, and 20 bits. The SIT9002AC-43N25DG also contains a PLL circuit that enables the user to reduce the frequency spread and/or jitter. It also has an integrated protection circuit and allows the user to synchronize the frequency of multiple oscillators.

The SIT9002AC-43N25DG is commonly used in a variety of devices, including data communications equipment, power supplies, and consumer electronics. It is also used in automotive, aviation, and medical devices due to its high precision, stability, and reliability. The SIT9002AC-43N25DG is especially ideal for applications that require very precise timing due to its low jitter, low effect of power supply, and fast signal switching capability.

The main advantage of the SIT9002AC-43N25DG is its programmability. The frequency and resolution of the oscillator can be altered with a digital input signal. This is extremely useful for applications that require frequent adjustment of the timing signal, such as when operating machines that depend on precise timing of multiple processes. The SIT9002AC-43N25DG also has an integrated protection circuit that helps prevent damage due to high voltage or sudden power fluctuations.

The working principle of the SIT9002AC-43N25DG is based on the operation of a PLL circuit. A PLL is an electronic circuit that takes an input signal and tracks any variations in its frequency. The PLL circuit is composed of a voltage-controlled oscillator (VCO) and a phase detector. The VCO generates an output signal whose frequency is dependent on the input frequency, and the phase detector compares the input signal and the output signal. If there is any difference between the two signals, the PLL will adjust the oscillator frequency until the signals match.

The SIT9002AC-43N25DG has a wide variety of applications and its programmability makes it ideal for applications that require precise timing and control. The use of the PLL circuit allows the user to easily adjust the frequency and resolution of the oscillator to suit their needs. The integrated protection circuit provides added protection against voltage and power fluctuations and ensures that any damage due to these fluctuations is minimized.

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