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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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.
DS1080L: Typical Operating Circuit DS1080L: Typical Operating Circuit Enlarge+

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
Part NumberApplicationsfIN
(MHz)
fIN
(MHz)
fOUT
(MHz)
fOUT
(MHz)
Fixed or Continuous FrequencyOutput LevelsOut-
puts
PLLsProgram-
mability
Spread SpectrumOutput Jitter
(ps)
VSUPPLY
(V)
Package/PinsBudgetary
Price
minmaxminmaxRMSSee Notes
DS1080L General Purpose1633.4134134FixedLVCMOS11PinYes753.3
UMAX/8
$1.24 @1k
See All Clock Generators (2)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Quality and Environmental Data

Product Reliability Reports: DS1080L.pdf 
Lead-Free Package Tin (Sn) Whisker Reports

CAD Symbols and Footprints

  • DS1080LU+
  • DS1080LU+T
  • DS1080LU/V+
  • DS1080LU/V+T
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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