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DS4026S+HCN PDF预览

DS4026S+HCN

更新时间: 2024-02-03 14:02:25
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

DS4026S+HCN 数据手册

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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  
1
2
3
4
5
6
7
8
16 V  
CCD  
V
REF  
15 FOUT  
14 GNDD  
13 SCL  
12 SDA  
11 GND  
10 N.C.  
V
CC  
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.  
V
OSC  
DS4026  
GNDOSC  
N.C.  
N.C.  
Applications  
N.C.  
9
N.C.  
Reꢀerence Clock Generation  
Telecom/Datacom/SATCOM  
Wireless  
SO  
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  
16 SO  
16 SO  
16 SO  
16 SO  
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  
19.44  
20.0  
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  
1
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.  

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