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DS1086L_1203

Description
3.3V Spread-Spectrum EconOscillator
File Size260KB,17 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet View All

DS1086L_1203 Overview

3.3V Spread-Spectrum EconOscillator

DS1086L
3.3V Spread-Spectrum EconOscillator
General Description
The DS1086L EconOscillator™ is a 3.3V programmable
clock generator that produces a spread-spectrum
(dithered) square-wave output of frequencies from
130kHz to 66.6MHz. The selectable dithered output
reduces radiated-emission peaks by dithering the fre-
quency 0.5%,1%, 2%, 4%, or 8% below the pro-
grammed frequency. The DS1086L has a power-down
mode and an output-enable control for power-sensitive
applications. All the device settings are stored in non-
volatile (NV) EEPROM memory allowing it to operate in
stand-alone applications.
Features
User-Programmable Square-Wave Generator
Frequencies Programmable from 130kHz to
66.6MHz
0.5%, 1%, 2%, 4%, or 8% Selectable Dithered
Output
Adjustable Dither Rate
Glitchless Output-Enable Control
2-Wire Serial Interface
Nonvolatile Settings
2.7V to 3.6V Supply
No External Timing Components Required
Power-Down Mode
5kHz Master Frequency Step Size
EMI Reduction
Industrial Temperature Range: -40°C to +85°C
Applications
Printers
Copiers
PCs
Computer Peripherals
Cell Phones
Cable Modems
Ordering Information
PART
DS1086LU
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
8
μSOP
(118 mils)
-40°C to +85°C
DS1086LU+
8
μSOP
(118 mils)
Note:
Contact the factory for custom settings.
+Denotes
a lead(Pb)-free/RoHS-compliant package.
Typical Operating Circuit
DITHERED 130kHz TO
66.6MHz OUTPUT
V
CC
N.C.
OUT
SPRD
V
CC
GND
DECOUPLING CAPACITORS
(0.1μF and 0.01μF)
*SDA AND SCL CAN BE CONNECTED DIRECTLY HIGH IF THE DS1086L NEVER NEEDS
TO BE PROGRAMMED IN-CIRCUIT, INCLUDING DURING PRODUCTION TESTING.
SCL*
V
CC
Pin Configuration
TOP VIEW
μP
XTL1/OSC1
XTL2/OSC2
OUT 1
SPRD
V
CC
2
3
8
SCL
SDA
PDN
OE
DS1086L
SDA*
PDN
OE
DS1086L
7
6
5
GND 4
µSOP
EconOscillator is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
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