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DS4026S+ECC PDF预览

DS4026S+ECC

更新时间: 2024-02-12 23:07:03
品牌 Logo 应用领域
美信 - MAXIM 机械振荡器
页数 文件大小 规格书
14页 233K
描述
CMOS Output Clock Oscillator, 10MHz Min, 51.84MHz Max, 16.8MHz Nom, ROHS COMPLIANT, SOP-16

DS4026S+ECC 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:SOP16,.4Reach Compliance Code:compliant
风险等级:5.65老化:1 PPM/FIRST YEAR
最长下降时间:2 ns频率调整-机械:NO
频率稳定性:1%安装特点:SURFACE MOUNT
端子数量:16最大工作频率:51.84 MHz
最小工作频率:10 MHz标称工作频率:16.8 MHz
最高工作温度:70 °C最低工作温度:
振荡器类型:CMOS最大输出低电流:2 mA
封装主体材料:PLASTIC/EPOXY封装等效代码:SOP16,.4
电源:3.3 V认证状态:Not Qualified
最长上升时间:2 ns子类别:Other Oscillators
最大压摆率:2.5 mA最大供电电压:3.465 V
最小供电电压:3.135 V标称供电电压:3.3 V
表面贴装:YES最大对称度:55/45 %
技术:CMOSBase Number Matches:1

DS4026S+ECC 数据手册

 浏览型号DS4026S+ECC的Datasheet PDF文件第5页浏览型号DS4026S+ECC的Datasheet PDF文件第6页浏览型号DS4026S+ECC的Datasheet PDF文件第7页浏览型号DS4026S+ECC的Datasheet PDF文件第9页浏览型号DS4026S+ECC的Datasheet PDF文件第10页浏览型号DS4026S+ECC的Datasheet PDF文件第11页 
10MHz to 51.84MHz TCXO  
V
CC  
V
CC  
EEPROM  
ARRAY  
TEMP  
SENSOR  
A/D  
DS4026  
GND  
GND  
V
CC  
V
CC  
V
REF  
SCL  
SDA  
2
I C  
CONTROLLER  
DAC  
INTERFACE  
DS4026  
GNDA  
GND  
GND  
V
CCD  
V
OSC  
CMOS  
BUFFER  
FOUT  
GNDOSC  
GNDD  
Figure 2. Functional Diagram  
• Controller to read the temperature, control lookup  
taꢂle, and adjust the DAC input  
Detailed Description  
The DS4026 is a TCXO capaꢂle oꢀ operating at 3.3V  
±5%, and it allows digital tuning oꢀ the ꢀundamental ꢀre-  
ꢁuency. The device is caliꢂrated in the ꢀactory to  
achieve an accuracy oꢀ ±±ppm over the industrial tem-  
perature range, and its minimum pullaꢂility is ±8ppm  
with a typical resolution oꢀ ±ppꢂ (typ) per LSB.  
• DAC output to adjust the capacitive load  
2
• I C interꢀace to communicate with the chip  
The oscillator ꢂlock consists oꢀ an ampliꢀier and variaꢂle  
capacitor in a Pierce crystal oscillator with a crystal res-  
onator oꢀ ꢀundamental mode. The oscillator ampliꢀier is a  
single transistor ampliꢀier and its transconductance is  
temperature compensated. The variaꢂle capacitor is  
adjusted ꢂy the DAC to provide temperature compensa-  
tion. With the FTUNEH and FTUNEL registers, a minimum  
pullaꢂility oꢀ ±8ppm (±5ppm ꢀor ±0MHz) is achieved with  
a typical resolution oꢀ ±ppꢂ (typ) per LSB.  
The DS4026 contains the ꢀollowing ꢂlocks:  
• Oscillator ꢂlock with variaꢂle capacitor ꢀor compen-  
sation  
• Output driver ꢂlock  
• Temperature sensor  
+
_______________________________________________________________________________________  

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