SI5351A-B06884-GTR

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The SI5351A-B06884-GTR from SiTime is a 25 MHz to 175 MHz low-jitter, low-power/standby oscillator/clock generator, housed in a 3.2 mm x 3.2 mm x 0.75 mm, 8-pad (x1) package. It supports I2C and SPI communications protocols. The chip offers a wide output range from a single supply. This device is suitable for set-top box and smart TV applications, such as PC clock/data recovery, digital UPS, HDD/SDD controllers, demodulators, and mobile wireless applications. It offers excellent jitter performance, low phase noise, low power, and can generate up to five low-jitter outputs.

Application Field

The SI5351A-B06884-GTR is designed to meet the needs of a wide range of applications. It can be used in single chip SoC architecture address timing needs with low noise and superior jitter performance. It has application in clock generation and synchronisation systems such as telecom, networking and computing systems. Also, it can be used in high-end processor-based systems such as pocket PCs, smart mobile phones and similar portable devices. The device can also be used in the clocking for set-top boxes, digital television applications, power management and control, datacom and telecom clocks and routers, and RAID initiatior applications. It is also used in cable modems and digital versatile discs (DVDs).

Working Principle

The SI5351A-B06884-GTR utilizes a Silicon MEMS-based Oscillator (MEMS-RING) to generate a stable frequency output. The MEMS-RING is a small device consisting of a ring oscillator made out of a regular array of tiny MEMS elements operating in series. It is powered by an internal charge pump which eliminates the need for an external reference signal. The MEMS-RING is tuned with the frequency adjust line (FADJ) which allows it to generate signals of up to 175 MHz. The chip then reduces the jitter of the signal to achieve the best possible performance.

The chip also supports multiple programmable output frequencies up to 175 MHz, PLL frequencies up to 600 MHz, output/input voltage range of 2.0 V to 3.8 V and power consumption of only 7 mW. The main benefits of using the SI5351A-B06884-GTR includes improved system integration, smaller size, better jitter performance and flexibility for product implementations.

Conclusion

The SI5351A-B06884-GTR is a low-jitter, low-power/standby oscillator/clock generator designed for set-top box, digital television and other applications. It uses a Silicon MEMS-based Oscillator (MEMS-RING) to generate a stable frequency output which allows it to generate frequencies up to 175 MHz. In addition, it offers multiple programmable output frequencies up to 175 MHz, PLL frequencies up to 600 MHz and a low power consumption of only 7 mW. All of these benefits make it an ideal choice for various product implementations.

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