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DS1086U PDF预览

DS1086U

更新时间: 2024-02-05 08:06:06
品牌 Logo 应用领域
达拉斯 - DALLAS /
页数 文件大小 规格书
14页 230K
描述
DS1086 Spread-Spectrum EconOscillator

DS1086U 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:5.27Is Samacsys:N
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.88 mm湿度敏感等级:1
端子数量:8最高工作温度:70 °C
最低工作温度:最大输出时钟频率:133 MHz
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.75 mm最大供电电压:5.25 V
最小供电电压:4.75 V标称供电电压:5 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:MATTE TIN
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9116 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHER
Base Number Matches:1

DS1086U 数据手册

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DS1086 Spread-Spectrum EconOscillator  
Pin Description  
PIN  
1
NAME  
OUT  
FUNCTION  
Oscillator Output  
2
SPRD  
Dither Enable. When the pin is highꢀ the dither is enabled. When the pin is lowꢀ the dither is disabled.  
3
V
Power Supply  
Ground  
CC  
4
GND  
Output Enable. When the pin is highꢀ the output buffer is enabled. When the pin is lowꢀ the output is  
disabled but the master oscillator is still on.  
5
6
7
8
OE  
Power-Down. When the pin is highꢀ the master oscillator is enabled. When the pin is lowꢀ the master  
oscillator is disabled (power-down mode).  
PDN  
SDA  
SCL  
2-Wire Serial Data. This pin is for serial data transfer to and from the device. The pin is open drain  
and can be wire-OR’ed with other open-drain or open-collector interfaces.  
2-Wire Serial Clock. This pin is used to clock data into the device on rising edges and clock data out  
on falling edges.  
MAXIMUM TEMPERATURE VARIATION  
vs. MASTER FREQUENCY  
CLOCK SPECTRUM COMPARISON  
(9kHz BW, PEAK DETECT)  
2.0  
1.5  
1.0  
0.5  
0
0
-5  
CRYSTAL OSC  
DS1086 NO DITHER  
-10  
-15  
-20  
-25  
-30  
-35  
-40  
DS1086 4% DITHER  
-0.5  
-1.0  
-1.5  
-2.0  
66.00  
82.75  
99.50  
116.25  
133.00  
90  
91  
92  
93  
94  
95  
FREQUENCY (MHz)  
FREQUENCY (MHz)  
Figure 2. Temperature Variation Over Frequency  
Figure 1. Clock Spectrum Dither Comparison  
Processor-Controlled Mode  
Stand-Alone Mode  
V
V
CC  
CC  
DITHERED 260kHz TO  
133MHz OUTPUT  
MICRO-  
PROCESSOR  
SCL*  
XTL1/OSC1  
XTL2/OSC2  
OUT  
V
CC  
4.7kΩ  
SCL  
4.7kΩ  
DITHERED 260kHz TO  
133MHz OUTPUT  
SPRD  
SDA*  
PDN  
OE  
N.C.  
DS1086  
V
CC  
2-WIRE  
INTERFACE  
OUT  
V
CC  
GND  
SDA  
V
SPRD  
CC  
DS1086  
DECOUPLING CAPACITORS  
V
CC  
PDN  
OE  
(0.1µF and 0.01µF)  
GND  
*SDA AND SCL CAN BE CONNECTED DIRECTLY HIGH IF THE DS1086 NEVER NEEDS  
TO BE PROGRAMMED IN-CIRCUIT, INCLUDING DURING PRODUCTION TESTING.  
DECOUPLING CAPACITORS  
(0.1µF and 0.01µF)  
_____________________________________________________________________  
7

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