SIT9120AI-2B-25S

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Programmable Oscillators are electronic devices primarily used for the synchronization of electrical systems. They are very important to the functioning of most electronic systems. The programmable oscillator SIT9120AI-2B-25S is manufactured by SiTime and is a programmable, low power, frequency synthesized, 3.2 x 2.5 mm² clock oscillator.

This oscillator is suitable for a range of applications, including communications, mass storage, networking systems, computing, instrumentation and industrial control. It is commonly used in embedded processors, FPGAs, ASICs, system-on-chip (SoC) and multiple application-specific integrated circuit (ASIC) designs.

The SIT9120AI-2B-25S oscillator is a high-performance low-power programmable oscillator, with excellent frequency stability and accuracy. It features an I2C programmable synchronization and a wide range of frequency options from 9.1 MHz to 146.2 MHz. It also offers a total frequency tolerance of ±0.1% to ±25 ppm and has an operating temperature range of -40°C to +125°C.

The SIT9120AI-2B-25S also comes with an additional feature that allows users to adjust the desired frequency during operation, which is ideal for applications that require frequent frequency changes. Furthermore, the oscillator is available in a variety of packages, including 8-pin and 14-pin ceramic packages and a small footprint (1.5 mm²) option.

The working principle of the programmable oscillator is based on the same principle as traditional quartz crystals, namely in that it is designed to vibrate at a very specific frequency. However, unlike quartz crystals, the programmable oscillator is able to be programmed for a wide range of frequencies, making it extremely versatile.

At its heart is a frequency synthesizer, which is made up of a reference oscillator, a frequency divider and a digital-to-analog converter. The reference oscillator produces a stable, high-frequency clock, which is then fed into the frequency divider. The output of the divider is then fed into the digital-to-analog converter, which is responsible for producing a signal at a particular frequency or at a set of multiple frequencies. This is then used to generate the required output frequency.

The SIT9120AI-2B-25S programmable oscillator is a versatile device, used in a range of different applications. It has a low power consumption and a high degree of accuracy, making it well-suited for applications that require a constant, stable frequency. In addition, its ability to be programmed to a wide range of frequencies makes it suitable for applications that require frequent frequency changes, as well as those which require multiple frequencies. Thanks to its versatility, the programmable oscillator SIT9120AI-2B-25S is an essential component in many electronic devices.

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