SIT9005ACA2D-25SJ

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Programmable oscillators are commonly used in applications that require a variable and controllable oscillation frequency or tuning capability. The SIT9005ACA2D-25SJ programmable oscillator is a popular choice among users who need a reliable and cost-effective solution for their oscillator requirements. This article provides an overview of the SIT9005ACA2D-25SJ programmable oscillator, it application field and its working principle.

Application Field

The SIT9005ACA2D-25SJ programmable oscillator is suitable for many broad application areas, such as automotive, consumer electronics, medical, industrial, military, and aerospace. It offers an ideal solution for designers in these industries that require a low power, low cost and highly stable oscillator with adjustable center frequencies.

It offers programmable center frequencies ranging from 2-25MHz and works in temperatures from -40°C to 105°C. Furthermore, the programmable oscillator is available in both 3.3V and 5V supply voltage. The SIT9005ACA2D-25SJ is also ESD compliant with a rating of +/- 2kV.

Working Principle

The SIT9005ACA2D-25SJ programmable oscillator works by converging the input frequency with the desired output frequency, such as 2-25MHz. The converter helps in transforming the input frequency to the output frequency by making use of resistance capacitance networks to tune the output frequency after identifying the frequency from the input. The converter contains a crystal oscillator, amplifier, control and buffer circuitry, and a voltage regulator.

The crystal oscillator produces an output frequency based on the oscillation of the quartz crystal and can be manipulated by adjusting the capacitance or inductance of the quartz element. The amplifier, control and buffer circuitry is then responsible for converting the input frequency to the desired output frequency by utilizing the voltage from the crystal oscillator and the resistor capacitor circuitry. The SIT9005ACA2D-25SJ also features a voltage regulator which is used to maintain the output at the desired rate.

In addition, the programmable oscillator has also been designed to offer amp output with built-in hysteresis and limiting features. This helps the programmable oscillator to maintain the output frequency within the desired range even under extreme conditions such as ESD or over-temperature conditions.

The SIT9005ACA2D-25SJ programmable oscillator is a cost effective and versatile solution for applications which require an adjustable oscillation frequency. It is ESD compliant and also offers superior temperature stability for demanding environments. The oscillator offers reliable performance with a wide range of input and output frequencies, making it an ideal choice for designers in the automotive, consumer electronic, medical, industrial, military, and aerospace industries.

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