SI5335B-B08249-GMR

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The SI5335B-B08249-GMR is a clock generator, PLL, and frequency synthesizer from Silicon Laboratories. Its main application is in high-speed data rate applications, such as 10 GbE, PCI Express, Serial ATA and USB 3.0. It is designed to offer the ability to generate low phase noise and jitter at high frequencies with minimal phase noise and jitter in the output signals. The SI5335B-B08249-GMR provides multiple clock outputs, wide frequency range, and supports external feedback loops to allow environmental or customer specific tuning.

The SI5335B-B08249-GMR is a compact 6.2 x 5.8 mm quad-output clock generator, delivering four clock outputs with one master clock input, two differential or four single-ended outputs. It has clock output frequencies up to 4.2 GHz and multipliers up to 8x. It offers three power supply options to operate on 2.5V, 1.8V or 1.2V, enabling a variety of applications in a wide range of industrial and consumer end-products.

The SI5335B-B08249-GMR utilizes minimal jitter synthesis and harmonic jitter attenuation transmission technologies, which results in an optimal phase noise performance of -135 dBc/Hz at 1 kHz offset over a wide range of frequencies and power levels. It is designed to optimize jitter generation and phase noise performance over the external frequency range, providing a low jitter clock output. The device supports multiple verification techniques for phase noise through on-board loopback and phase detector features.

The SI5335B-B08249-GMR is configured and monitored through an I2C interface which provides control over settings such as clock output frequency, power savings mode, power down sequencing, and loopback settings and phase noise measurement. The programmable loopback and phase detector features enable a wide variety of different applications, including external feedback loops that can be used to tune environmental conditions or customer specific settings. Additionally, it has a wide operating temperature range of -40 to 125°C.

The SI5335B-B08249-GMR is a powerful clock generator, PLL, and frequency synthesizer capable of producing low-jitter, high-speed clock outputs with minimal phase noise and jitter. Its combination of features, such as the ability to control settings through an I2C interface, wide operating temperature range, and multiple clock outputs makes it a versatile device for a variety of high-speed data rate applications.

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