SI5338P-B01804-GMR

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The SI5338P-B01804-GMR is a hybrid clock generator which combines both a crystal oscillator and a clock generator into a single package. This device offers an optimal solution to customers who require a prudent, low-cost solution to both generate a high precision clock and offer flexibility in the output formats. The SI5338P-B01804-GMR is ideal for replacing discrete clock solutions both in terms of cost and reduced end product footprint.

The SI5338P-B01804-GMR enjoys a wide application field including within communications equipment, medical equipment, factory automation, HVAC and industrial control applications. The device can be used to generate a wide variety of clock frequencies from 8kHz to 266MHz, along with the ability to support both LVCMOS and LVDS outputs. This is combined with programmable output skew and programmable output slew rate.

This device is highly adaptable and attractive to manufacturers as the device can be (re)programmed to generate a variety of output formats suitable for many different applications. The flexibility and performance of the SI5338P-B01804-GMR makes it ideal for applications such as Digital TV and set top boxes, network appliances, military/aerospace applications, and more.

The working principle of the SI5338P-B01804-GMR is based on a combination of a temperature-compensated crystal oscillator and a phase-locked-loop (PLL) which is designed to optimize both phase noise and jitter performance. The crystal oscillator provides the clock accuracy while the PLL is used to condition the clock to achieve a certain performance. The PLL is comprised of a voltage-controlled oscillator (VCO) and a phase frequency detector (PFD). The reference clock is sent to both the crystal oscillator and the PFD. The crystal oscillator will output a signal with a frequency very close to the reference clock based on the accuracy of the crystal. The PFD is responsible for comparing the reference clock and crystal oscillator outputs, and will adjust the frequency of the VCO to match the two clocks. The output of the VCO is then sent to a divide-by-N circuitry which is used to lower the clock frequency and achieve the desired output based on the desired output frequency range.

The SI5338P-B01804-GMR has a wide spread of useful features and benefits, making it an ideal solution for customers seeking a cost effective solution for an array of applications. Being programmable, the device can be programmed on the circuit board at either production or during an RMA procedure. The SI5338P-B01804-GMR offers narrow duty cycle status output, zero or low jitter, PLL tracking when overclocked, a wide frequency range from 8kHz to 266MHz, and adjustable device trimming for use with a wide array of crystals for customers needing to develop their own custom solutions.

With the ability to select multiple output formats and frequencies, the SI5338P-B01804-GMR is well suited to multiple clock and timing applications, in particular communication-based products. Communications requires multiple frequencies and different formats; the SI5338P-B01804-GMR realizes this requirement with a wide range of formats and frequencies while still providing a highly-accurate, low-jitter clock source.

Overall, the SI5338P-B01804-GMR is an ideal Clock/Timing - Application Specific solution that offers a cost effective and space saving alternative to discrete solutions while meeting specific application needs and providing maximum flexibility.

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