SI5351A-B07267-GM

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IntroductionThe SI5351A-B07267-GM is a clock generator and phase-locked loop (PLL) frequency synthesizer module in the industry-standard 5 x 5mm, 32-pin LLP package with integrated differential 32.768 kHz XO, VCO, PLL, and output dividers. It is used in applications requiring an isolated, highly stable, low-noise reference clock or synthesized RF output and provides an ideal solution for portable communications applications such as cellular, wireless networking, and portable instrumentation.Application fieldThe SI5351A-B07267-GM is designed to be integrated into a variety of products, including those requiring digital signal processing (DSP) for improved performance. It can be used for high-frequency clock and data signals in communication systems such as cellular and wireless networks, as well as for clock generation in embedded systems. The device is also suitable for applications in portable instrumentation, ultrasound imaging, digital transmissions, cable and satellite TV receivers, and test and measurement equipment.Features and BenefitsThe SI5351A-B07267-GM provides a number of advantages over previous products, including improved performance and stability, optimized power consumption, and a wide range of functionality. The device is designed to meet low-jitter requirements, with jitter performance up to 0.20psRMS over 8kHz - 40MHz. It also offers a wide input frequency range, from 32.768kHz to 56MHz, and output frequencies up to 130MHz. The SI5351A-B07267-GM also includes a unique integrated differential 32.768kHz XO, providing excellent accuracy and stability to 10 ppm.In addition to providing improved stability and low jitter, the SI5351A-B07267-GM also offers enhanced performance, with an output frequency range of 0.1Hz to 130MHz, a maximum output power of +7 dBm, and a signal-to-noise ratio of 80 dBc. The device is also designed for low power consumption, with a maximum dynamic power consumption of 0.5W and an operating voltage range of 3.3V to 5.5V.Working PrincipleThe SI5351A-B07267-GM uses a PLL-based frequency synthesizer to convert a low-frequency reference signal into higher-frequency output clocks. The reference frequency can be internally generated using the integrated 32.768kHz XO or externally provided. The PLL consists of two distinct phase-locked loops, with the first loop managing the phase noise while the second loop controls the output frequency range and accuracy. The PLL divides the reference frequency by a divisor to obtain the desired output frequency. The output frequency can be divided further by an output divider to configure the desired division ratio. The output can be configured as a square wave, pulse wave, pulse train, or any arbitrary waveform using the appropriate digital outputs. The phase-noise is handled by the PLL, with the clock generator providing excellent jitter performance.ConclusionThe SI5351A-B07267-GM is a clock generator and phase-locked loop (PLL) frequency synthesizer module in the industry-standard 5 x 5 mm, 32-pin LLP package. It is designed to provide advanced performance, improved stability, and low power consumption in a wide range of applications, including those requiring digital signal processing (DSP). The device is ideal for portable communications applications such as cellular, wireless networking, and portable instrumentation, as well as for clock generation in embedded systems. It is designed to meet low-jitter requirements, with jitter performance up to 0.20psRMS over 8kHz - 40MHz, and a wide output frequency range of 0.1Hz to 130MHz with a maximum output power of +7 dBm and a signal-to-noise ratio of 80 dBc. The SI5351A-B07267-GM uses a PLL-based frequency synthesizer to convert a low-frequency reference signal into higher-frequency output clocks, and offers a wide range of configurations to meet the needs of various applications.

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