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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

Product Details

Key Features

Applications/Uses

Simplified Block Diagram

Technical Docs

Data Sheet Spread-Spectrum Crystal Multiplier Dec 01, 2017

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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
  • AEC-Q100 Qualified (MAX31180AUA/V+ Only)

Applications/Uses

  • Automotive
  • Cable Modems
  • Cell Phones
  • Computer Peripherals
  • Copiers
  • Infotainment
  • PCs
  • Printers

Description

The MAX31180 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 MAX31180 has a spread-spectrum disable mode and a power-down mode to conserve power.

Simplified Block Diagram

MAX31180: Typical Operating Circuit MAX31180: Typical Operating Circuit Zoom icon

Technical Docs

Data Sheet Spread-Spectrum Crystal Multiplier Dec 01, 2017

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .