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X9251US24I-2.7 PDF预览

X9251US24I-2.7

更新时间： 2024-11-18 22:10:31
品牌 Logo 应用领域
XICOR /
页数 文件大小 规格书
25页 548K
描述
Quad Digitally-Controlled (XDCP) Potentiometer

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X9251US24I-2.7 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：PLASTIC, SOIC-24Reach Compliance Code：unknown
风险等级：5.87其他特性：NONVOLATILE MEMORY
控制接口：3-WIRE SERIAL转换器类型：DIGITAL POTENTIOMETER
JESD-30 代码：R-PDSO-G24JESD-609代码：e0
长度：15.4 mm功能数量：4
位置数：256端子数量：24
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP24,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE电源：3/5 V
认证状态：Not Qualified电阻定律：LINEAR
最大电阻容差：20%最大电阻器端电压：5 V
最小电阻器端电压：座面最大高度：2.65 mm
子类别：Digital Potentiometers标称供电电压：5 V
表面贴装：YES技术：CMOS
标称温度系数：300 ppm/ °C温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
标称总电阻：50000 Ω宽度：7.5 mm

X9251US24I-2.7 数据手册

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APPLICATION NOTES AND DEVELOPMENT SYSTEM  
A V A I L A B L E  
AN99 • AN115 • AN124 •AN133 • AN134 • AN135  
Single Supply / Low Power / 256-tap / SPI bus  
X9251  
Quad Digitally-Controlled (XDCPTM) Potentiometer  
FEATURES  
DESCRIPTION  
• Four potentiometers in one package  
• 256 resistor taps–0.4% resolution  
• SPI Serial Interface for write, read, and transfer  
operations of the potentiometer  
The X9251 integrates four digitally controlled potentio-  
meters (XDCP) on a monolithic CMOS integrated  
circuit.  
The digitally controlled potentiometers are imple-  
mented with a combination of resistor elements and  
CMOS switches. The position of the wipers are  
controlled by the user through the SPI bus interface.  
Each potentiometer has associated with it a volatile  
Wiper Counter Register (WCR) and four non-volatile  
Data Registers that can be directly written to and read  
by the user. The content of the WCR controls the  
position of the wiper. At power-up, the device recalls  
the content of the default Data Registers of each DCP  
(DR00, DR10, DR20, and DR30) to the corresponding  
WCR.  
• Wiper resistance: 100Ω typical @ V  
= 5V  
CC  
• 4 Non-volatile data registers for each  
potentiometer  
• Non-volatile storage of multiple wiper positions  
• Standby current < 5µA max  
• V : 2.7V to 5.5V Operation  
CC  
• 50KΩ, 100KΩ versions of total resistance  
• 100 yr. data retention  
• Single supply version of X9250  
• Endurance: 100,000 data changes per bit per  
register  
• 24-lead SOIC, 24-lead TSSOP, 24-lead CSP  
(Chip Scale Package)  
The XDCP can be used as  
a three-terminal  
• Low power CMOS  
potentiometer or as a two terminal variable resistor in  
a wide variety of applications including control,  
parameter adjustments, and signal processing.  
FUNCTIONAL DIAGRAM  
R
R
H3  
R
R
V
H1  
H2  
H0  
CC  
HOLD  
DCP1  
DCP3  
DCP2  
DCP0  
WCR1  
DR10  
DR11  
DR12  
DR13  
WCR3  
DR30  
DR31  
DR32  
DR33  
WCR2  
DR20  
DR21  
DR22  
DR23  
WCR0  
DR00  
DR01  
DR02  
DR03  
A1  
A0  
SO  
SI  
SPI  
Interface  
POWER UP,  
INTERFACE  
CONTROL  
AND  
STATUS  
SCK  
CS  
V
R
R
L3  
R
R
SS  
R
R
R
W3  
WP  
R
W0  
L1  
L2  
L0  
W1  
W2  
Characteristics subject to change without notice. 1 of 25  
REV 1.3.3 2/10/04  
www.xicor.com  
1234567...25

中文翻译

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X9251US24I-2.7 替代型号

型号 品牌 替代类型 描述 数据表
WMS7204050SY WINBOND

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