SI5338A-B05001-GM

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

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Introduction

The Silicon Labs SI5338A-B05001-GM is a Clock/Timing - Application Specific device which provides clock synchronization and jitter attenuation for audio, video and communication applications. This device is capable of synthesizing low-jitter clocks for digital systems, such as network and telecom transmission applications, as well as audio systems. The SI5338A-B05001-GM can also be used to reduce system power consumption and ensure reliable performance of timing applications, such as medical, automotive and power electronics.

Features

The SI5338A-B05001-GM is a highly integrated device, offering the following features:

• Low-Emission Outputs: Get up to six low-jitter, low-EMI (electronic magnetic interference) outputs and one low-jitter clock output.
• Wide Frequency Range: Synthesize 1Hz to 996MHz output frequencies with programmable resolutions to 1Hz step.
• High-Performance Clocking: Get ultra-low-jitter clocks and jitter-attenuated outputs to enable low-power, reliable performance.
• On-Chip Control and Programming: Program various features of the SI5338A-B05001-GM with an on-chip, three-wire serial control interface.
• Flexible Reference Clock: Utilize external clock references or on-chip oscillator for synchronizing multiple devices.

Application

The SI5338A-B05001-GM has wide range of applications such as:

• Networking, Telecom and High-bandwidth Systems: Provide jitter-attenuated clocks and low-EMI outputs for high-bandwidth transmission applications.
• Industrial, Medical, Automotive and IoT Systems: Reduce system power consumption, improve performance and reliability of these applications.
• Data Center and Cloud Computing: Provide high-performance clocking solutions for cloud-based infrastructure, enabling high performance and low-power solutions.
• Audio and Audio-Visual Systems: Synchronize audio/video systems, while reducing EMI and providing low-jitter audio and video streams.

Working Principle

The SI5338A-B05001-GM provides jitter attenuation and clock synchronization for digital systems through a combination of prescaling and frequency synthesis techniques. The user can select up to six low-EMI or jitter-attenuated outputs from an internal synthesizer or external clock reference. The on-chip programmable oscillator supports various crystal or oscillator frequencies for an accurate device setup.The device utilizes an ambient temperature compensated PLL with a charge pump output stage to allow for rapid clock synchronization to a new frequency. The device can lock onto the select clock reference within milliseconds, allowing for quick changing of the clock frequency without detrimentally affecting system performance. The integral Digital Control Loop (DCL), frequency filter block, and phased-locked loop filter block provide noise dampening, jitter attenuation and control loop stability.The programmable gains and bandwidths in the control loop and filter block allow users to select the respond performance to suit the application requirements. The digitally programmable VCO, regulator and output stages allow the user to tune the VCO frequency and Voltage Controlled Oscillator (VCO) output levels, adjust programming via an on-chip 3-wire SMBus serial interface.

Conclusion

The Silicon Labs SI5338A-B05001-GM is a Clock/Timing - Application Specific device which provides clock synchronization and jitter attenuation for various applications, such as audio, video, communication, industrial, medical and automotive systems. It can synthesize 1Hz to 996MHz frequencies with low-jitter and low-EMI outputs, and offers programmable resolutions of up to 1Hz steps. The SI5338A-B05001-GM utilizes an ambient temperature compensated PLL to lock onto clock references quickly for optimal system performance. This device also features an on-chip, three-wire serial interface for programming various settings. With these features and benefits, the SI5338A-B05001-GM is a great choice for applications requiring low-jitter, low-EMI clocking solutions.

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