SI5351A-B02449-GT

The SI5351A-B02449-GT is a Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers clock source IC from Silicon Labs. It is used in many projects in various applications, from clock oscillator to digital audio. Its operation is based on a 32-bit PLL, an advanced MultiSynth fractional divider, tuning, and programmable crystal oscillator (XO) capabilities.

The SI5351A-B02449-GT can produce any frequency from 24.8MHz to 155.5MHz, and frequency resolution as low as 0.15 ppm; PECL, LVDS, and software programmable outputs; selectable output enable control is also possible with selectable glitches. It also allows for flexible output programming, with the ability to generate 10 different frequencies from a single programmed frequency.

The SI5351A-B02449-GT is used in a wide range of applications, from embedded systems and test instrumentation to general broadcast applications, radio communications, and clock signaling.

SI5351A-B02449-GT Working Principle

The working principle of the SI5351A-B02449-GT is based on a PLL (phase-locked loop) and fractional-N synthesizer. The circuit induces a frequency track in a crystal oscillator and buffered with a low-noise output amplifier. This frequency is broken into the desired frequency with a MultiSynth fractional-N divide-by-N digital frequency synthesizer. This synthesis technique allows the SI5351A-B02449-GT to generate multiple clock outputs with any ratio of frequencies between 1kHz and 3 MHz.

The SI5351A-B02449-GT offers a range of programmable output features, including programmable drive type, rise/fall time, and slew rate control. Low-jitter, phase-aligned outputs can be programmed for use in applications that require precision time synchronization. In addition, integral input and output phase tuning are available for precise and consistent output; precise power-on reset circuitry ensures reliable operation.

Additionally, the SI5351A-B02449-GT is equipped with an optional crystal oscillator, allowing for extremely precise frequency control. This oscillator, when enabled, provides a precise reference to the PLL circuit and the multiplication factor required to generate the precise frequency the user requires. This option enables users to generate any frequency within the frequency range of the device, with extremely precise frequency control.

SI5351A-B02449-GT Application Field

The SI5351A-B02449-GT has a range of applications. It is often used to create clock sources for clocks and timing circuits, communication systems, digital audio and video, medical, industrial, instrumentation, consumer, and consumer electronics. The device is also suitable for embedded systems, automotive, military and aerospace applications.

The SI5351A-B02449-GT is often used as the primary clock generator for embedded systems and other systems, such as WiFi networks, industrial control systems, and home automation. The device is also often used for test instrumentation and to create clock sources for systems that require precise time synchronization. Other applications for the device include radio communications, clock signaling, and general broadcast applications.

The flexibility and programmability of the SI5351A-B02449-GT makes it an ideal candidate for a wide range of applications. It is the go-to device for creating clock sources, providing users with the flexibility to create and modify the clock sources they need.