SI5338K-B07154-GMR

Series:	*
Packaging:	Tape & Reel (TR)
Part Status:	Active
Mounting Type:	Surface Mount
Package / Case:	24-VFQFN Exposed Pad
Supplier Device Package:	24-QFN (4x4)

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SI5338K-B07154-GMR Application field and Working Principle

The SI5338K-B07154-GMR from Silicon Laboratories is a high-performance, single-port clock generator suitable for applications that require low jitter and high frequency accuracy. It is designed for 10/100/1000 Ethernet and Gigabit Ethernet applications, as well as for other high-bandwidth, emerging communication technologies.This device is capable of generating up to ten outputs from 1MHz to 156MHz, with frequencies down to 6.25Mhz, making it ideal for Ethernet, SONET/SDH, WIFI, and other datacom applications. Utilizing a low-jitter, on-chip, Variable Frequency Oscillator (VFO), the SI5338K-B07154-GMR can be programmed to generate a wide range of output frequencies without the need for external frequency reference sources. The result is a clock generator with superior jitter performance, accuracy, and frequency flexibility.

Application Fields

The SI5338K-B07154-GMR has a wide range of applications in a variety of industries. With its ability to generate output frequencies from 1MHz to 156MHz, it is ideally suited for 10/100/1000 Ethernet and Gigabit Ethernet applications. It can also be used for networking and telecommunications systems, as well as for SONET/SDH and ATM applications. In addition, it is suitable for Wi-Fi applications, cable modem systems, router, and switch applications, digital video broadcasting systems, video conferencing systems, radar applications, and clock and data recovery.

Working Principle

The SI5338K-B07154-GMR utilizes an on-chip Variable Frequency Oscillator (VFO) to generate its output frequencies. The VFO is based on a standard 3-stage voltage-controlled oscillator (VCO) topology, with a differential feedback path and an analog-controllable frequency range. The frequency range is set using a serial port, allowing the oscillator to be adjusted to generate a specific output frequency.In addition, the device features a low-jitter clock generator that actively compensates for process, voltage, and temperature variation to maintain an extremely low-jitter output. The frequency output is further enhanced by the addition of a loop-filter circuitry for improved accuracy and glitch-free operation.To provide greater flexibility, the SI5338K-B07154-GMR also includes additional features such as clock skew compensation and improved power management. The clock skew compensation feature helps compensate for time delays when transmitting clocks to multiple devices, reducing jitter and improving performance. In addition, the SI5338K-B07154-GMR also has an enhanced power management feature that allows it to quickly enter and exit power saving modes, reducing power dissipation and extending battery life.

Conclusion

The SI5338K-B07154-GMR is a high-performance, single-port clock generator that is perfect for applications that require low jitter and high frequency accuracy. With its ability to generate frequencies from 1MHz to 156MHz, it is ideal for 10/100/1000 Ethernet and Gigabit Ethernet applications, as well as for other high-bandwidth, emerging communication technologies. The device also features an on-chip Variable Frequency Oscillator (VFO), a loop-filter circuitry, and enhanced power management features, all of which work together to provide a low-jitter, glitch-free clock output.

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