SI5338M-B06030-GM

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SI5338M-B06030-GM Application Field and Working Principle

• Introduction

  The SI5338M-B06030-GM is an oscillator IC from Silicon Labs that is designed for use in clock/timing applications. It is capable of generating clock outputs of up to 130MHz with jitter as low as 35ps and delivers accuracy of ±200ppm. The device is compatible with a variety of supply voltage ranges making it suitable for a range of environments and the output can be configured to operate in either a single-ended or differential mode. It also incorporates PLLs, Spread Spectrum Clock (SSC) synthesizers, and other such features to support a wide range of applications.

• Applications

  The SI5338M-B06030-GM is designed to meet a variety of needs in the clock/timing industry. It is suitable for use in a variety of clock/timing applications such as telecom and datacom infrastructure, servers and storage, industrial automation, automotive and avionics, and other industrial and consumer-based applications. It is also often used in audio and video solutions, as well as digital radio broadcasting.

• Working Principle

  The SI5338M-B06030-GM integrates a high-performance oscillator, synthesizer, and clock translator circuits in a small 3x3 mm QFN package. It is designed to generate a very low jitter clock output from a crystal or an external reference clock. The oscillator, synthesizer, and clock translator circuits are all tightly coupled and synchronized with each other for optimal performance. The oscillator on the SI5338M-B06030-GM is an oscillator with a variable frequency range from 1MHz to 130MHz and a Jitter typical of 35ps. The oscillator is controlled by a programmable voltage controlled oscillator (VCO) and an integrated PLL that supports a frequency resolution of ±10ppb. The oscillator is also equipped with an internal DC-DC converter to reduce the supply voltage to the level required by the oscillator. The synthesizer on the SI5338M-B06030-GM is a very flexible frequency synthesizer that supports a large range of frequencies, and clocks are produced over a frequency range of 9kHz to 1.25GHz. It is able to generate the clock outputs that are triggered by either crystal or an external reference clock and that are synchronized to the user’s reference clock. Additionally, the synthesizers on the SI5338M-B06030-GM are also capable of generating Spread Spectrum Clocking (SSC) to reduce EMI and increase system performance. The clock translator on the SI5338M-B06030-GM supports a variety of differential and single-ended outputs by following jitter modulation techniques and a selectable output type. The frequency range of the clock translator is from 9kHz to 1.25GHz with jitter down to 35ps. The clock translator also provides wide options for synthesizing Clock Multipliers (CMs) and Clock Divider (CD) with a wide range of dividers.

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