ZL30159GGG2

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The ZL30159GGG2 is an IC clock generator that uses a Phase Locked Loop (PLL) to precisely generate programmable fixed frequency outputs from an external clock input. It is used in a wide range of applications in computing, communications, defense, aerospace and industrial systems where precise clocks must be provided to a variety of devices.

Specifically, the ZL30159GGG2 is designed for clock and data recovery (CDR) applications in digital systems where high-performance closing is required. It provides very low additive jitter, independent of its operating frequency and provides exceptional power efficiency compared to an oscillator-based approach. It operates with a wide frequency range from 28.864 MHz to 148.352MHz.

The ZL30159GGG2 provides two types of outputs: a reference clock output and a copy (divided) clock output. The reference clock output is derived directly from the external clock input, while the divided clock output provides a frequency which is the input frequency divided by a programmable divider. The reference and divided clock outputs can either be enabled independently or combined together to generate a single output.

The ZL30159GGG2 is designed to reduce noise and jitter to the maximum level possible. The device contains a fractional-N synthesizer and a digital phase-locked loop (DPLL) that is used to generate the precise, precise frequency outputs. It employs a digital tracking loop with a very low power consumption and a programmable frequency divider to generate both the reference and divided clock outputs. The reference clock output is also capable of providing adjustable delay adjustment and can be programmed to run at any frequency.

In addition, the ZL30159GGG2 is designed to provide clock divisions which offer a wide range of possibilities. It includes a programmable sigma-delta modulator to generate a wide range of predetermined clock divisions from 1x to 16x. It also has an internal prescaler to reduce the input frequency at the frequency division outputs.

The power consumption of the device is one of the most important features when choosing a clock generator. The ZL30159GGG2 has a very low power consumption of 95mA of typical power when operating from a 3.3V supply. It is also designed to meet the stringent requirements of space and avionics applications, and it supports up to eight supply and ground pins for ease of integration.

The working principle behind the ZL30159GGG2 is based on a DPLL loop system and a fractional-N synthesizer architecture. The DPLL works by comparing the incoming signal\'s phase to a local reference signal and using an error-correcting mechanism to generate a precise output frequency.

The fractional-N synthesizer works by using the incoming signal to modulate a digital signal that is then used to generate an approximation of the desired output frequency. This signal is then used to compare with the incoming signal to generate the precise output frequency.

The ZL30159GGG2 is a highly versatile clock generator with a wide range of features such as a low power consumption, a wide range of frequencies, excellent jitter performance and a very low power consumption. It is used in a wide variety of applications in the computing, communications, defense, aerospace and industrial sectors where precise clocks must be provided.

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