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DS1086, DS1086H, DS1086Z
Spread-Spectrum EconOscillator


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Status
Active: In Production.

Description
FULL DATA SHEET (PDF, 204kB)
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The DS1086 EconOscillator™ is a programmable clock generator that produces a spread-spectrum (dithered) square-wave output of frequencies from 260kHz to 133MHz. The selectable dithered output reduces radiated-emission peaks by dithering the frequency 2% or 4% below the programmed frequency. The DS1086 has a power-down mode and an output-enable control for power-sensitive applications. All the device settings are stored in nonvolatile (NV) EEPROM memory allowing it to operate in stand-alone applications.

Key Features   Applications/Uses
  • User-Programmable Square-Wave Generator
  • Frequencies Programmable from 260kHz to 133MHz
  • 2% or 4% Selectable Dithered Output
  • Glitchless Output-Enable Control
  • 2-Wire Serial Interface
  • Nonvolatile Settings
  • 5V Supply
  • No External Timing Components Required
  • Power-Down Mode
  • 10kHz Master Frequency Step Size
  • EMI Reduction

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

    Key Specifications:  Silicon Oscillators
    Part Number fOUT
    (MHz)
    fOUT
    (kHz)
    ΔfOUT
    (%)
    User Prog. fOUT Spread Spectrum VCC
    (V)
    Reset Out Package/Pins Smallest Available Pckg.
    (mm2)
    Oper. Temp.
    (°C)
    Price
    max min max max w/pins See Notes
    DS1086  133 260 ±1.25 (0 to 70°C) I2C Yes 4.75 to 5.25 No
    µMAX/8
    SOIC(N)/8
    16 0 to +70 $0.90 @1k
    See All Silicon Oscillators (21)

    Diagram
    DS1086, DS1086H, DS1086Z: Typical Operating Circuit
    Typical Operating Circuit

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    2003-09-01
    This page last modified: 2009-05-18


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