SI5351A-B03039-GTR

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The SI5351A-B03039-GTR devices from Silicon Laboratories are clock generator and fanout solutions designed for high performance, low power applications. This device combines a 2.4 GHz VCO (voltage controlled oscillator) and a highly integrated PLL (phase locked loop) to generate a high-accuracy clock signal with frequency resolution up to 200 Hz. This device has two 16-bit digital-to-analog converters (DACs) with output voltages up to 3 volts and precision slew rates (rise/fall) up to 20 ns. This flexibility and control of timings allows the user to generate a wide variety of frequency and timing solutions, including multiple frequencies and output voltages.

The SI5351A-B03039-GTR is ideal for applications that require tight jitter control, such as PCIe (Peripheral Component Interconnect Express), DDR (Double Data Rate) memory, and high-speed interfaces, such as 10G-LFP (Long Flat Panel) and fibre optic links. This device could also be used in medical, communication and portable devices, or any application that requires a low-power oscillator. Its high resolution, low power and low jitter performance enables precision timing solutions over a wide frequency range.

The SI5351A-B03039-GTR has a wide operating temperature range of -40°C to 85°C, making it suitable for operation in industrial and harsh environments. With this device, users can program output frequencies up to 600 MHz, and control frequency spread up to 200Hz. The SI5351A-B03039-GTR also features multiple output signals, such as differential, HCSL and LVDS, to be used in multi-frequency applications.

The core of the SI5351A-B03039-GTR is an integrated PLL, which is composed of a voltage-controlled oscillator, low-noise amplifier, phase-frequency detector, charge pump, and an active loop filter. The VCO is based on a 2.4 GHz voltage-controlled oscillator (VCO). The VCO frequency range is from 4.95 to 5.45 GHz. The loss is kept low by using a low noise amplifier (LNA). The VCO has a very small phase noise, which is less than 0.25 dBc/MHz in the 1-20 MHz offset range. The phase frequency detector (PFD) senses the phase difference between the signal generated by the VCO and the input reference signal. The signal is then fed to the charge pump. The charge pump takes the PFD signal and produces a signal it outputs to the loop filter. The loop filter will integrate this signal and produce an error signal to be processed by the charge pump and output an adjustable frequency signal to the DACs. The DACs are the output of the device and can generate frequency outputs up to 600 MHz.

In summary, the SI5351A-B03039-GTR is a high performance, low power clock generator and fanout solution for generating a wide range of frequencies and timing solutions. This device is ideal for applications that require tight jitter control, such as PCIe, DDR memory, and high-speed interfaces. Its wide operating temperature range makes it suitable for operation in harsh environments. The SI5351A-B03039-GTR is a powerful solution for generating precise high-frequency clock signals.

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