DS1080L Spread-Spectrum Crystal Multiplier Ideal for Applications Requiring a Clock with a Precise Center Frequency, Yet Need to Modulate Frequency to Reduce EMI at the Center Frequency and Its Harmonics

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Status Active: In Production. Description The DS1080L is a low-jitter, crystal-based clock generator with an integrated phase-locked loop (PLL) to generate spread-spectrum clock outputs from 16MHz to 134MHz. The device is pin-programmable to select the clock multiplier rate as well as the dither magnitude. The DS1080L has a spread-spectrum disable mode and a power-down mode to conserve power.

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Key Features Generates Spread-Spectrum Clocks from 16MHz to 134MHz Selectable Clock Multiplier Rates of 1x, 2x, and 4x Center Spread-Spectrum Dithering Selectable Spread-Spectrum Modulation Magnitudes of ±0.5%, ±1.0% and ±1.5% Spread-Spectrum Disable Mode Low Cycle-to-Cycle Jitter Power-Down Mode with High-Impedance Output Low Power Consumption 3.0V to 3.6V Single Supply Operation -40°C to +125°C Temperature Operation Small 8-Lead µSOP Package   Applications/Uses Automotive Cable Modems Cell Phones Computer Peripherals Copiers PCs Printers

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[ 2005-11-30 ]

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Document Ref.: 19-4997 Rev 3; 2011-11-04
This page last modified: 2011-11-04