SI5345A-C-GM

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The SI5345A-C-GM is a clock generator, phase locked loop (PLL) and frequency synthesizer in one. It offers many features, including a maximum frequency of 1.8GHz and exceptionally good jitter characteristics. Its versatile application field and robust working principles make it a valuable addition for any system looking for circuit performance gains.

The SI5345A-C-GM has excellent 622/1080/1600MHz (with de-skew) jitter performance, which makes it suitable for applications up to 6.5GHz including gigabit routers, Ethernet switches, and server systems. It also features ±20 ppm oscillator frequency variation over temperature, wide Frequency Range (1kHz - 2GHz), Multiple Inputs/Outputs, high input drive current of 16mA, low EMI, and low output skew. In addition, it has very low jitter characteristics, fast output frequency switching, and multiple input clock selection. All of these features allow the SI5345A-C-GM to deliver reliable and highly accurate clock signals within applications.

The SI5345A-C-GM runs on a core operating frequency of 1.8GHz and a spread spectrum frequency of 40 kHz. The spread spectrum frequency triples the actual core operating frequency, making it suitable for frequency-selective filtering. Additionally, its XOSC clock input can be configured for either a single clock or multiple clock inputs. It also has an OSCITF pin that provides frequency stability, as well as a Crystal/VXCO input that can be used as a low-jitter reference. All of these features make the SI5345A-C-GM one of the best solutions for any high-frequency clock applications.

The SI5345A-C-GM has a robust working principle. It is composed of three parts; an input stage, a clock generator module, and an output stage. The input stage is used to receive input signals. The signals can be either single clock or multiple clock inputs. From these inputs, the clock generator module creates a frequency- locked loop (FLL) circuit to lock onto the input clock and generate clock outputs of the same frequency. These outputs are then sent to the output stage to be amplified and sent out to the system.

The SI5345A-C-GM also offers a wide range of flexibility for clock implementation. It has multiple programmable and configurable options, such as output power, frequency and duty cycle, that can be adapted to fit any system. In addition, it comes with an integrated VCO, which eliminates the need for external components, and offers a low phase noise output and a high frequency range. The SI5345A-C-GM also has low-jitter functional clock (LJFC) support, which enables high-precision frequency synchronization, and phase locking operation that is unaffected by power fluctuations.

In conclusion, the SI5345A-C-GM is an excellent choice when it comes to Clock Generators, PLLs, and Frequency Synthesizers, as it offers a wide frequency range, high frequencies of up to 1.8GHz, multiple configurable options, and robust working principles. Its exceptional features and jitter characteristics make it suitable for a wide range of applications, ranging from gigabit routers, Ethernet switches, and server systems to other applications where frequency-selective filtering is required. Therefore, the SI5345A-C-GM is a great addition to any system looking for circuit performance gains.

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