SI5350A-B09007-GTR

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The SI5350A-B09007-GTR is a silicon oscillator designed and engineered to be both incredibly accurate and incredibly stable over its lifetime. It is part of a series of oscillators produced by Silicon Laboratories, Inc., and is one of their most popular and widely used products. It is a part of their Clock / Timing - Clock Generators, PLLs, and Frequency Synthesizers category of products, and it is designed to fulfill a wide range of applications and markets, from industrial to consumer, in a variety of technologies.

At its core, the SI5350A-B09007-GTR is a frequency-programmable silicon oscillator; it is a type of clock generator which uses a quartz oscillator as a reference to achieve unprecedented accuracy and stability in its output frequency. The quartz resonator is embedded within the device and is used to provide the reference for the device’s output frequency. This also allows for a very wide temperature operating range, allowing for use in a variety of temperatures, as low as -40°C and as high as 85°C.

The process of programming the frequency begins with an external input from a pin on the device being used to configure the device. Four local oscillator (LO) and two reference oscillator (REFCLK) pins are used on the SI5350A-B09007-GTR, with two dedicated pins providing the inputs for the reference and two pins providing both their reference and single output (L1 and L2). The first step in configuring the device is to connect an oscillator (either a crystal oscillator or an external reference clock, depending on the configuration) to the REFCLK pins. This provides the VCO, or voltage-controlled oscillator, with its reference signal, from which it can begin the frequency synthesizing process.

The SI5350A-B09007-GTR is equipped with an internal program memory which stores the programmed output frequency. This memory can be updated via the I2C or SPI port, which allows for the output frequency configuration to be updated in real-time, without needing to power cycle the device. This feature is incredibly powerful, as it allows for a much more dynamic frequency output, without any initial configuration (or reconfiguration) needed.

Once the reference signal is established, the device\'s internal PLL (Phase Locked Loop) circuitry takes over, regulating the output frequency by stabilizing the input frequency. The local oscillator pins (L1 and L2) provide the PLL with the output voltage to generate the output signal, based on the reference signal. This allows for the output signal to be extremely accurate and stable over time, regardless of the input signal. The signal “locks” onto the exact reference frequency and will stay within tight tolerances regardless of input parameters, making it an ideal solution for those looking for a high-precision clock generator.

The SI5350A-B09007-GTR is designed to be used in a variety of market applications, such as cellular and wireless systems, internet infrastructure, medical technology, automotive electronics, and more. Its small size, low power usage, and highly-accurate frequency generation make it an ideal solution for many applications, as it is capable of being deployed in a variety of designs, both commercial and industrial.

In conclusion, the SI5350A-B09007-GTR is one of the most advanced CPLLs on the market, designed to deliver accurate and stable frequency output even under varying environmental temperatures and electrical noise conditions. Its ability to program the output frequency in real-time makes it a powerful and versatile solution for those looking for highly-accurate clock generation. Its combination of high-precision and low-power usage make it an ideal choice for a variety of applications and markets, from industrial to consumer.

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