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Spread-Spectrum EconOscillator

Product Details

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

  • 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

Applications/Uses

  • Cable Modems
  • Cell Phones
  • Computer Peripherals
  • Copiers
  • PCs
  • Printers
Parametric specs for Silicon Oscillators
fOUT (MHz) (max) 133
Spread Spectrum Yes
fOUT (kHz) (min) 260
ΔfOUT (%) (max) ±1.25 (0 to 70°C)
User Prog. fOUT I2C
VCC (V) 4.75 to 5.25
Reset Out No
Oper. Temp. (°C) 0 to +70
Package/Pins SOIC (N)/8
UMAX/8
Budgetary
Price (See Notes)
$1.00 @1k
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Simplified Block Diagram

DS1086, DS1086H, DS1086Z: Typical Operating Circuit DS1086, DS1086H, DS1086Z: Typical Operating Circuit Zoom icon

Technical Docs

Data Sheet Spread-Spectrum EconOscillator Mar 20, 2012

Design & Development

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Description

Maxim Analog Essentials is a collection of peripheral modules which can plug directly into any FPGA/CPU expansion port which follows the Pmod™ standard established by Digilent, Inc. The collection includes modules containing a wide variety of commonly used analog and mixed signal functions. The modules are supported by software which includes FPGA configuration files for three popular FPGA platforms: Avnet LX-9, Digilent Nexys 3 and Avnet ZEDBoard, as well as example programs to exercise and demonstrate each module. While the example programs demonstrate the module’s functionality, they are well partitioned and documented allowing the core routines to be easily cut and pasted into your own programs. The combination of plug-in simplicity and easy software integration allows for quick migration from idea to working prototype.

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Features

  • Data Converter, Interface, Clock, Sensor, and Other Modules Included to Address Many Design Needs
  • Plug in Modules Enable Rapid Hardware Prototyping
  • Proven Software Drivers Reduce Development Time
  • FPGA Configuration Files Included to Simplify Design Effort

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Support & Training

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Parameters

Parametric specs for Silicon Oscillators
fOUT (MHz) (max) 133
Spread Spectrum Yes
fOUT (kHz) (min) 260
ΔfOUT (%) (max) ±1.25 (0 to 70°C)
User Prog. fOUT I2C
VCC (V) 4.75 to 5.25
Reset Out No
Oper. Temp. (°C) 0 to +70
Package/Pins SOIC (N)/8
UMAX/8
Budgetary
Price (See Notes)
$1.00 @1k

Key Features

  • 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

Applications/Uses

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

Description

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.

Simplified Block Diagram

DS1086, DS1086H, DS1086Z: Typical Operating Circuit DS1086, DS1086H, DS1086Z: Typical Operating Circuit Zoom icon

Technical Docs

Data Sheet Spread-Spectrum EconOscillator Mar 20, 2012

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