SI5018-BM

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SI5018-BM is a programmable clock generator designed for communications, computing, consumer and industrial applications. It is a two-phase differential clock generator with an integrated PLL. The device provides high-performance, low jitter clock signal generation with excellent power consumption and PCB space savings. It is part of the industry-leading SiTime MEMS oscillator family and is used primarily in communications, computing, consumer and industrial applications.

SI5018-BM works by combining an internal phase-locked loop (PLL) with a MEMS oscillator and a fractional-N divider to generate multiple low-jitter outputs. The PLL combines with the MEMS oscillator to generate a reference clock frequency that can be varied over a wide range of frequencies. The reference clock is then divided by a programmable divider to generate lower frequency clock signals from the higher frequency reference.

The SI5018-BM programmable clock generator supports a wide range of low jitter input frequencies. This allows for greater flexibility and control of output frequencies, programmable transition times and jitter requirements. The flexibility of the device also allows for significant power savings over traditional crystal or oscillator based solutions.

The SI5018-BM also offers a wide range of outputs from 1kHz to 400 MHz. The available outputs are: LVDS, LVPECL, HCSL, and CMOS. The LVPECL and HCSL outputs have an adjustable output voltage that may be set by manipulating the VTT, VTTREF, or the CTRL pin.

The SI5018-BM also has a variety of features to ensure that the output signals are suitable for a wide range of applications. These features include spread spectrum clock synchronisation (SSC) settings and adjustable jitter attenuation. These features help to ensure that the outputs are suitable for high performance and error-free communications, computing and industrial applications.

Moreover, the SI5018-BM allows for tight control of jitter performance and noise margin across a wide range of clock speeds. Jitter attenuation settings can be programmed in order to reduce jitter on the output clocks, thereby improving overall system performance.

The SI5018-BM can be powered from a single supply voltage from 2.5V to 3.3V, making it suitable for a wide range of applications. It also has the ability to operate down to 0.9V for improved power efficiency in low power applications. The device is housed in a lead-free 5x5mm QFN package with exposed pad underneath, allowing for improved thermal performance over traditional packages.

The SI5018-BM also integrates its own power-on reset circuit, allowing for improved noise immunity and improved system reliability. The device also supports 5ms startup time, allowing it to transition to a usable state faster than other devices.

The SI5018-BM is an ideal solution for applications requiring high performance, low jitter clock generation in a small package and with low power consumption. The device is suitable for a wide range of communications, computing, consumer and industrial applications and provides excellent power saving and space saving benefits.

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