SI5335D-B06008-GMR

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The SI5335D-B06008-GMR is a modular clock generator designed to support frequency synthesis, fractional-N and integer-N PLL operations. It is suitable for high-performance applications, including digital communication and data IT infrastructures and wireless base station applications. It is configurable for up to eight differential (LVPECL, LVDS, CML and HCSL) outputs and also has an I²C/SMBus compatible interface.

The SI5335D’s highly configurable, integrated architecture integrates packetized input and output clocks with a configurable, synthesized PLL which supports a wide range of jitter performance and stability options. The device supports both high-frequency output and low-voltage operation, making it suitable for a wide variety of applications.

The SI5335D-B06008-GMR’s primary application field is frequency synthesis in telecommunications, data IT infrastructures and wireless base station applications.

Working principle:

The SI5335D-B06008-GMR is based on a synthesizer with an internal voltage controlled oscillator (VCO). The VCO operates over a wide frequency range, from 9.3 kHz to 1.5 GHz. The output frequency is programmed with an I²C/SMBus-compatible serial interface using a 16-bit tuning word. The device also has an integrated packetized input clock, allowing the user to select the required input clock from the range of available frequencies.

The SI5335D-B06008-GMR also includes an integrated fractional-N phase-locked loop (PLL). The PLL can be programmed to produce a low jitter output clock signal with frequencies as low as 1 kHz. In addition, the device can be configured as an integer-N PLL for lower jitter performance. The output frequency is programmed by the master clock generator, and the SI5335D-B06008-GMR is able to produce the required frequency with minimal jitter.

The SI5335D-B06008-GMR also includes an internal programmable voltage controlled oscillator (VCO) which is used to determine the output frequency. The VCO operates over a wide frequency range, from 9.3 kHz to 1.5 GHz, and is programmed using an I²C or SMBus-compatible serial interface. The VCO can be programmed to provide a low jitter output frequency, making it suitable for applications that require high-performance clock synchronization.

Finally, the SI5335D-B06008-GMR includes an integrated crystal oscillator. This oscillator operates over a wide frequency range, from 4 to 480 MHz, and can be used to provide an accurate reference clock for the synthesizer. The crystal oscillator is also used to control the internal PLL and to ensure accurate frequency syntheses.

In summary, the SI5335D-B06008-GMR is a highly configurable clock generator designed for applications requiring high-frequency output, low-voltage operation, and excellent jitter performance. Its integrated architecture combines packetized input and output clocks with a synthesized PLL and an integrated VCO and crystal oscillator, making it an ideal solution for high-performance frequency synthesis applications in telecommunications, data IT infrastructures and wireless base station applications.

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