SY100EL38LZI-TR

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The SY100EL38LZI-TR is a compact, low-power Electrical Interface Clock Generator (EICG) product from Symmetry Electronics. In essence, the circuit contains a digital frequency synthesizer that allows for the selection of various outputs with different frequencies and various output types. These types include sine, square, and differential signals.

The digital frequency synthesizer is designed to meet the requirements of a wide range of applications, from computer systems and communications to consumer electronics. It can be used in monitoring critical components and systems, reducing the costs associated with interconnection by multiplexing different signals in one IC, and improving signal transfer by reducing the effect of external noise.

As such, the SY100EL38LZI-TR is typically used in computer systems, communications network systems, consumer electronics and other applications requiring high signal integrity, low noise, and high frequency.

Working principle

The SY100EL38LZI-TR can generate frequencies up to 10 MHz with a sine output signal, 16 MHz with a square output, or 20 MHz with a differential signal. It works using a digital frequency synthesizer that utilizes an internal phase-locked loop (PLL). This PLL generates a signal with the desired frequency based on an input reference signal, for example 2.4 GHz, and an internal divider. The digital frequency synthesizer divides the required frequency in one step or multiple stages, using a combination of programmable dividers from 8 to 512.

This PLL also incorporates a digital low-dropout regulator (LDO) for power filtering, and a programmable on-chip temperature compensation feature to ensure stable clock operation over a wide range of operating temperature. It has a programmable spread spectrum frequency output feature, which can be used to reduce EMI noise. The circuit also features an adjustable soft-start function, and an active high-performance voltage regulator that helps maintain power supply integrity.

The SY100EL38LZI-TR has a wide dynamic range, low power consumption, and a robust design that can withstand dynamic transient conditions in environments where large swings in power supply levels and temperature fluctuations occur. The circuit also includes ESD protection to ensure reliable operation.

Application field

The SY100EL38LZI-TR is suitable for a wide range of applications, from computer systems and communications to consumer electronics. In computer systems, the EICG can be used to drive the system’s clock, such as the central processing unit (CPU) and other related components. It can also be used to provide the timing signals necessary in communications networks to regulate data flow. Its low power consumption makes it an ideal solution for powering wireless communication devices and meeting the stringent power requirements of such applications.

In consumer electronics, the SY100EL38LZI-TR can be used for clocks in television, audio and video systems, as well as gaming consoles and other entertainment systems. Its low noise and high signal integrity make it well-suited for applications that require high precision timing solutions. The use of spread spectrum frequency output feature ensures the device meets any necessary EMI requirements.

In summary, the SY100EL38LZI-TR from Symmetry Electronics is a compact, low-power EICG that is suitable for use in a broad range of applications. It provides a stable and accurate clock signal, with low power consumption and a wide dynamic range. Its digital frequency synthesizer utilizes an internal PLL to generate signals with frequency up to 20 MHz with a differential output, while incorporating features such as spread spectrum frequency output and on-chip temperature compensation. The SY100EL38LZI-TR is a great choice for applications that require a low-power and highly reliable clock generator.

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