DS1089L

3.3V Center Spread-Spectrum EconOscillator™

Industry's Smallest, Low-EMI 3V All-Silicon Center-Spread Clock Oscillator

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Status Explanations for product status codes

Active: In Production.

Description

The DS1089L is a clock generator that produces a spread spectrum (dithered) square-wave output of frequencies from 130kHz to 66.6MHz. The DS1089L is shipped from the factory programmed at a specific frequency. The DS1089L is pin-for-pin compatible with the DS1087L, however, the DS1089L dithers at equal percentages above and below the center frequency. The user still has access to the internal frequency divider, selectable ±1%, ±2%, ±4%, or ±8% dithered output, dithering rate, and programmable output powerdown/disable mode through an I²C-compatible programming interface. All the device settings are stored in nonvolatile (NV) EEPROM allowing it to operate in stand-alone applications. The DS1089L also has power-down and output-enable control pins for power-sensitive applications.
 

Data Sheet

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Key Features

  • Factory-Programmed Square-Wave Generator from 33.3MHz to 66.6MHz
  • Center Frequency Remains Constant Independent of Dither Percentage
  • No External Timing Components Required
  • EMI Reduction
  • Variable Dither Frequency
  • User Programmable Down to 130kHz with Divider (Dependent on Master Oscillator Frequency)
  • ±1%, ±2%, ±4%, or ±8% Selectable Dithered Output
  • Glitchless Output-Enable Control
  • I²C-Compatible Serial Interface
  • Nonvolatile Settings
  • Power-Down Mode
  • Programmable Output Power-Down/Disable Mode
 

Applications/Uses

  • Automotive Infotainment
  • Cable Modems
  • Computer Peripherals
  • Copiers
  • POS Terminals
  • 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
DS1089L  66 130
±0.75 (0°C to 85°C)
-2 to 0.75 (-40°C to 0°C)
I2C Yes 2.7 to 3.6 No -40 to +85
µMAX/8
15.6 $0.89 @1k
See All Silicon Oscillators (19)
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

DS1089L: Typical Operating Circuits
Typical Operating Circuits

More Information

New Product Press Release 2004-10-29 ]

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Information Index

Rev 2; 2006-05-16
This page last modified: 2010-05-21




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