5V49EE904NLGI8

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The 5V49EE904NLGI8 is a highly integrated, high-performance low-power integrated circuit that uses programmable logic technology to generate multiple families of standard clock signals and clock components. It is usually used as the clock generator and phase-locked loop (PLL) in a complex timing system. The output of the 5V49EE904NLGI8 will be connected to the local clock tree and configure required operation, such as frequency control, duty cycle control and phase angle control, for a steady and reliable clock, to satisfy the needs of communications and systems.

The 5V49EE904NLGI8 is a brand-new clock generation and PLL solution with outstanding features and advantages such as adjustable dual-frequency output, low-jitter, low-power and low-EMI. It integrates a series of common timing functions into a single chip, which can reduce system power and improve performance for the clock generation, synchronization and frequency conversion.

The 5V49EE904NLGI8 has a wide range of input frequency and amplitude accuracy, supports differential or single-ended clock input and output, and offers two dual-frequency outputs and two single-frequency outputs. Two sets of frequency synthesizer blocks are used to provide dual-frequency outputs, with the internal frequency divider blocks providing the frequency ratio between the two output frequencies. Each of the two output frequency can be programmed to be independently adjustable.

The 5V49EE904NLGI8 also integrates two phase frequency detectors (PFDs) and two loop filters to provide fast lock time and low jitter in the PLL circuit. This guarantees a stable and reliable clock reference, which can improve the performance of the system and reduce its power consumption. When the output clock is preset, the IC supports different frequency ranges for controlling its output frequency, such as 25 MHz to 800 MHz or 25 MHz to 1.5 GHz

In the 5V49EE904NLGI8 application field, it is suitable for powering digital circuits such as computer systems, digital signal processors (DSPs), digital cameras and digital video broadcast systems, digital transmission systems and other various system applications. It also can be used in mobile communication base stations, broadcasting networks and industrial automatic control systems.

In terms of working principle, the 5V49EE904NLGI8 offers a full-featured, integrated clock generator and PLL solution. It utilizes a variety of frequency synthesis techniques as well as built-in multiplier and divider blocks for wide output range. By utilizing its high-speed, low-jitter synthesizer, the IC provides an adjustable dual-frequency programmable output.

The 5V49EE904NLGI8 PLL circuit has two PFDs and two loop filters, which can perform fast locking, low jitter and high accuracy. The adjustable dual-frequency synthesizer can provide different output frequency, ranging from 25 MHz to 1.5 GHz, with a fractional-n synthesizer providing 0.1 Hz of resolution.

The 5V49EE904NLGI8 integrates other features such as programmable output frequency and input clock selection. It also supports adjustable slew rate, enable and disable function, as well as a programmable power-down feature. The frequency output is predictable and reliable.

In summary, the 5V49EE904NLGI8 is a powerful, integrated clock generator and PLL solution that is suitable for use in a wide range of applications, from digital signal processors to digital transmission systems. It offers adjustable dual-frequency output, low-jitter, low-power and low-EMI features, which makes it a great choice for designing a reliable and low-power timing system.

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