DS1087L

3.3V Spread-Spectrum EconOscillator

Industry's Only 3V Single-Chip Oscillator Reduces EMI Up to 20dB

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Status Explanations for product status codes

Active: In Production.

Description

The DS1087L is a clock generator that produces a spread-spectrum (dithered) square-wave output of frequencies from 130kHz to 66.6MHz. The DS1087L is shipped from the factory programmed at a specific frequency and spread-spectrum percentage. The user still has access to an internal frequency divider, selectable 2% or 4% dithered output, and programmable output power-down/disable mode through a 2-wire programming interface. All the device settings are stored in nonvolatile (NV) EEPROM allowing it to operate in stand-alone applications. The DS1087L has power-down and output-enable control pins for power-sensitive applications.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 1 (PDF, 168kB)
Send this datasheet to any email addressE-Mail
An evaluation kit is available: DS1070K

Key Features

  • Factory Programmed Square-Wave Generator from 130kHz to 66.6MHz
  • No External Timing Components Required
  • EMI Reduction
  • 2.7V to 3.6V Supply
  • User Programmable Down to 130kHz with Divider (Dependent on Master Oscillator Frequency)
  • 2% or 4% Selectable Dithered Output
  • Glitchless Output-Enable Control
  • 2-Wire Serial Interface
  • Nonvolatile Settings
  • Power-Down Mode
  • Programmable Output Power-Down/Disable Mode
 

Applications/Uses

  • 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 Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
Budgetary Price
max min max max w/pins See Notes
DS1087L  66 130 ±1.25 (0 to 70°C) I2C Yes 2.7 to 3.6 No -40 to +85
µMAX/8
16.2 $0.89 @1k
See All Silicon Oscillators (17)
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 prices and delivery, please see the price and availability page or contact an authorized distributor.


Diagram

DS1087L: Functional Diagram
Functional Diagram

More Information

New Product Press Release 2003-07-02 ]

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Information Index

Rev 1; 2004-03-12
This page last modified: 2009-10-13




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