SIT3821AI-2D-25EZ

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Programmable Oscillators are primarily used to generate clock signals with frequencies from 0.25 Hz up to 2.5 GHz. The SIT3821AI-2D-25EZ is a particular type of programmable oscillator from the Sitronix series. This oscillator is a dual-channel version of the SIT1621AI-2D-25EZ oscillator and is used for high-performance applications such as mobile phones and general integrated circuits.

The SIT3821AI-2D-25EZ features a pair of identical programmable oscillator channels (2 pairs of output pins) optimized for driving high-speed logic. This allows the user to accurately control the output frequency of each channel separately, while still being able to control their respective periods. The SIT3821AI-2D-25EZ also features a wide input voltage range and a low current draw, making it ideal for powering low-power, high-performance applications.

The primary application fields of the SIT3821AI-2D-25EZ are in radio frequency (RF) communication systems and applications requiring an accurate and reliable clock signal control mechanism. Other product applications include keypad scanning for mobile phones, GSM/CDMA, 3G, LTE/WiMAX and IEEE 802.11a/b/g/n products, as well as digital television systems.

The working principle behind the SIT3821AI-2D-25EZ is relatively simple; the oscillator is programmed by setting the output frequency, which will then be provided to the user via the output pins. The oscillator\'s built-in circuitry will then automatically generate the necessary frequency based on the programming data provided. The device is also temperature compensated, and can automatically adjust the operating frequency in response to changes in temperature.

The SIT3821AI-2D-25EZ has a range of features including low power consumption and a wide range of output frequencies. It also offers a variety of output signal formats, including HCMOS, LVCMOS and SPI, making it suitable for a wide range of applications. Additionally, the oscillator also offers an EMI shield and supporting circuitry for noise reduction, enabling improved performance and signal integrity in RF applications.

The SIT3821AI-2D-25EZ is an ideal choice for applications requiring reliable and accurate frequency control. It features a small size and low energy consumption, making it ideal for mobile devices where battery power is a concern. The versatility of the SIT3821AI-2D-25EZ, combined with its wide range of features, make it a popular choice for both high-speed logic and digital television applications.

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