Datasheet > DS1087LU-216

DS1087LU-216

更新时间： 2024-02-25 22:17:46

品牌	Logo	应用领域
达拉斯 - DALLAS		/
页数	文件大小	规格书
12页	154K
描述
3.3V Spread-Spectrum EconOscillator

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数据手册

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DS1087LU-216 数据手册

Rev 1; 11/03

3.3V Spread-Spectrum EconOscillator

General Description

Features

The DS1087L is a clock generator that produces a

spread-spectrum (dithered) square-wave output of fre-

quencies from 130kHz to 66.6MHz. The DS1087L is

shipped from the factory programmed at a specific fre-

quency 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 program-

ming interface. All the device settings are stored in non-

volatile (NV) EEPROM allowing it to operate in

stand-alone applications. The DS1087L has power-

down and output-enable control pins for power-sensi-

tive applications.

♦ 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

Applications

♦ Power-Down Mode

Printers

♦ Programmable Output Power-Down/Disable Mode

Copiers

PCs

Computer Peripherals

Cell Phones

Cable Modems

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

DS1087LU-yxx

-40°C to +85°C

8 µSOP (118 mils)

Standard Frequency Options

Pin Configuration

PART

FREQUENCY (MHz)

SPREAD (%)

TOP VIEW

DS1087LU-202

DS1087LU-402

DS1087LU-210

DS1087LU-216

DS1087LU-266

DS1087LU-466

DS1087LU-yxx

2.0480

10.0

OUT

SCL

SDA

PDN

16.6

SPRD

66.6

DS1087L

66.6

Fixed up to 66.6

2 or 4

GND

Custom frequencies and over 20 standard frequencies avail-

able, contact factory.

µSOP (118 mils)

EconOscillator is a trademark of Dallas Semiconductor.

Typical Operating Circuits appear at end of data sheet.

______________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...12

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