DS4026

更新时间： 2024-11-27 03:30:35

品牌	Logo	应用领域
美信 - MAXIM		石英晶振温度补偿晶振
页数	文件大小	规格书
12页	177K
描述
12.8MHz to 51.84MHz TCXO

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中文翻译

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数据手册

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DS4026 数据手册

Rev 0; 2/07

12.8MHz to 51.84MHz TCXO

DS4026

General Description

Features

The DS4026 is a temperature-compensated crystal

oscillator (TCXO) that provides ±±ppm ꢀreꢁuency sta-

bility over the -40°C to +85°C industrial temperature

range. Each device is ꢀactory calibrated over tempera-

ture to achieve the ±±ppm ꢀreꢁuency stability. Standard

ꢀreꢁuencies ꢀor the device include ±2.8, ±9.44, 20.0,

38.88, 40.0, and 5±.84MHz. Contact the ꢀactory ꢀor cus-

tom ꢀreꢁuencies.

♦

1ppm Frequency Accuracy Over -40°C to +85°C

♦ Standard Frequencies: 12.8, 19.44, 20.0, 38.88,

40.0, 51.84MHz

♦ Maximum 4.6ppm Deviation Over 10 Years

♦ Minimum 8ppm Digital Frequency Tuning

Through I²C Interface

The DS4026 provides excellent phase-noise characteris-

tics. The output is a push-pull CMOS sꢁuare wave with

symmetrical rise and ꢀall times. In addition, the DS4026 is

designed to provide a maximum ꢀreꢁuency deviation oꢀ

less than ±4.6ppm over ±0 years. The device also pro-

vides an I²C interꢀace to allow pushing and pulling oꢀ the

output ꢀreꢁuency by a minimum oꢀ ±±5ppm typical with

typical ±ppb resolution.

♦ Surface-Mount 16-Pin SO Package

♦ Pb Free/RoHS Compliant

Pin Configuration

TOP VIEW

The DS4026 implements a temperature-to-voltage con-

version with a nonlinear relationship. The output ꢀrom the

temperature-to-voltage converter is used to drive the volt-

age-controlled crystal oscillator to compensate ꢀor ꢀre-

ꢁuency change.

GNDA

16 V

CCD

REF

15 FOUT

14 GNDD

13 SCL

12 SDA

11 GND

10 N.C.

The device implements an on-chip temperature sensor

lookup table, and a digital-to-analog converter (DAC) to

adjust the ꢀreꢁuency. An I²C interꢀace used to communi-

cate with the DS4026 perꢀorms temperature readings and

ꢀreꢁuency push-pull.

OSC

DS4026

GNDOSC

N.C.

Applications

N.C.

Reꢀerence Clock Generation

Telecom/Datacom/SATCOM

Wireless

Test and Measurement

Ordering Information

OUTPUT (f

(MHz, CMOS)

)

NOM

PART

TEMP RANGE

PIN-PACKAGE

TOP MARK*

0°C to +70°C

-40°C to +85°C

0°C to +70°C

-40°C to +85°C

0°C to +70°C

-40°C to +85°C

12.8

16 SO

DS4026-BCC

DS4026-BCN

DS4026-HCC

DS4026-HCN

DS4026-JCC

DS4026-JCN

DS4026S+BCC

DS4026S+BCN

DS4026S+HCC

DS4026S+HCN

DS4026S+JCC

DS4026S+JCN

12.8

19.44

20.0

Ordering Information continued at end of data sheet.

+Lead-ꢀree package.

*The top mark will include a “+” ꢀor a lead-ꢀree/RoHS-compliant device.

______________________________________________ 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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与DS4026相关器件

型号	品牌	获取价格	描述	数据表
DS4026_0709	MAXIM	获取价格	10MHz to 51.84MHz TCXO
DS4026-BCC	MAXIM	获取价格	12.8MHz to 51.84MHz TCXO
DS4026-BCN	MAXIM	获取价格	12.8MHz to 51.84MHz TCXO
DS4026-HCC	MAXIM	获取价格	12.8MHz to 51.84MHz TCXO
DS4026-HCN	MAXIM	获取价格	12.8MHz to 51.84MHz TCXO
DS4026-JCC	MAXIM	获取价格	12.8MHz to 51.84MHz TCXO
DS4026-JCN	MAXIM	获取价格	12.8MHz to 51.84MHz TCXO
DS4026-MCC	MAXIM	获取价格	12.8MHz to 51.84MHz TCXO
DS4026-MCN	MAXIM	获取价格	12.8MHz to 51.84MHz TCXO
DS4026-PCC	MAXIM	获取价格	12.8MHz to 51.84MHz TCXO

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