SI5350A-B02791-GTR

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The SI5350A-B02791-GTR is a clock generator and frequency synthesizer integrated circuit (IC) suitable for a variety of high frequency timing applications. It is a high-performance, low-power-consumption device intended for use in broadcast communications systems, base station infrastructure, and test equipment. In particular, it is suitable for applications in which frequency synchronization between multiple systems is required.

Physically, the device is quite small, measuring only 7 mm × 7 mm, and the operating temperature range is from 0°C to 85°C. It operates from a single 2.5 or 3.3 VCC supply, with a 3.3 to 5.7V VCO supply voltage and a 4V to 36V IO supply voltage. The device has a 16 pin LGA surface mount package.

The SI5350A-B02791-GTR comprises a digital synthesizer, analog phase-locked loop, frequency synthesizer, and a 10 sideband programmable crystal oscillator (XO). It also includes an integrated voltage-controlled crystal oscillator (VCXO) with an internal phase jitter of 5ps peak-to-peak, and a phase-locked loop (PLL) with a phase noise lowpass (PNL) frequency response, which provides low phase noise operation. In addition, the device features programmable output drivers, which allow users to customize the output drivers to optimize the power efficiency.

The main purpose of the SI5350A-B02791-GTR is to provide an accurate frequency, phase, and jitter solution for applications that require high frequency synchronization and timing. It is largely used in applications where multiple frequency sources need to be synchronized with each other and where extremely precise, low-jitter signals are required. These applications include base station infrastructure, broadcast communications, test equipment, and high speed serial communication systems.

When it comes to its working principle, the SI5350A-B02791-GTR has a built-in digital synthesizer. The digital synthesizer is responsible for generating a digital signal that is then passed to the analog phase-locked loop (PLL). The PLL extracts the frequency component of the digital signal and synthesizes a signal with the desired output frequency, which is then combined with the signal from the VCXO and passed to the output drivers. The output drivers boost the signal and provide the signal with the desired level of power efficiency.

The SI5350A-B02791-GTR also has a built-in temperature compensation feature that maintains temperature-induced frequency shifts. The temperature compensation feature works by sensing the temperature of the device and adjusting the output frequency accordingly. This ensures that the output frequency remains constant, regardless of the ambient temperature.

Overall, the SI5350A-B02791-GTR is an ideal solution for applications requiring high frequency synchronization and timing. With its integrated digital and analog components, low-power consumption, and high frequency capabilities, the device provides an accurate, reliable, and cost-effective solution for a variety of timing applications.

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