SI5350C-B03382-GT

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The SI5350C-B03382-GT is a part of the Clock and Timing (CT) family offered by Silicon Labs. It is part of the range of clock generators, Phase-locked loops, frequency synthesizers and other timing devices.

Overview

The SI5350C-B03382-GT is a low-cost clock generator and frequency synthesizer that supports high-accuracy frequency selections with a variety of pre-programmed and reserved frequencies. The device provides frequency nominals from 5.6MHz to 960MHz. The frequency outputs are guaranteed over a temperature range of -40°C to +85°C. The device is suitable for applications such as automotive, communications, consumer, industrial, and medical electronics.

Features

The SI5350C-B03382-GT offers a variety of features and advantages, including:

• Supports both LVCMOS-TX and LVDS-TX frequency outputs
• Improved frequency accuracy over temperature range
• Programmable features including:
  • Phase-frequency detector thresholds
  • Duty cycle and jitter specification
  • Synthesis Rate
• External programmable frequency selection through SPI
• Robust LVCMOS-TX output enables use in a wide variety of clock sources
• Small form factor (7mm x 5mm) with 2.5mm pitch

Applications

In addition to the general clock and frequency synthesis applications mentioned above, the SI5350C-B03382-GT has been specifically designed for use in the following applications:

• Modem and Networking Applications
• Digital Telephones
• GPS Systems
• Set Top Boxes
• Wireless LANs
• Video Conferencing

Working Principle

The SI5350C-B03382-GT utilizes a phase-locked loop (PLL) design, which is a synchronous feedback loop that measures the phase difference between an oscillating reference signal and the desired output. The phase difference is then processed and the resulting information is used to adjust the output frequency to match the reference signal. In the SI5350C-B03382-GT, the input reference frequency is adjusted by the PLL’s feedback circuitry, allowing the device to generate any desired frequency within its range. Once the desired frequency is programmed, the PLL generates the frequency by locking onto the programmed frequency and applying feedback from the output. This locked condition ensures a stable frequency output.

Conclusion

The SI5350C-B03382-GT is a low-cost, robust and power-efficient clock generator and frequency synthesizer. The device offers users improved frequency accuracy over temperature range and a variety of programmable features, including external frequency selection through SPI. It is suitable for applications such as automotive, communications, consumer, industrial, and medical electronics as well as modem and networking applications, digital telephones, GPS systems, set top boxes, wireless LANs, and video conferencing. The device utilizes a phase-locked loop (PLL) design to generate frequencies, allowing it to lock onto the programmed frequency and apply feedback from the output.

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