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X9428WPI

更新时间: 2024-02-06 22:32:00
品牌 Logo 应用领域
XICOR 电位器
页数 文件大小 规格书
20页 581K
描述
Single Digitally Controlled Potentiometer

X9428WPI 技术参数

生命周期:Obsolete包装说明:TSSOP-16
Reach Compliance Code:unknown风险等级:5.69
控制接口:2-WIRE SERIAL转换器类型:DIGITAL POTENTIOMETER
JESD-30 代码:R-PDSO-G16功能数量:1
位置数:64端子数量:16
最高工作温度:125 °C最低工作温度:-55 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
认证状态:Not Qualified电阻定律:LINEAR
最大电阻器端电压:5.5 V最小电阻器端电压:-5.5 V
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:MILITARY
端子形式:GULL WING端子位置:DUAL
标称总电阻:2000 ΩBase Number Matches:1

X9428WPI 数据手册

 浏览型号X9428WPI的Datasheet PDF文件第2页浏览型号X9428WPI的Datasheet PDF文件第3页浏览型号X9428WPI的Datasheet PDF文件第4页浏览型号X9428WPI的Datasheet PDF文件第5页浏览型号X9428WPI的Datasheet PDF文件第6页浏览型号X9428WPI的Datasheet PDF文件第7页 
APPLICATION NOTES  
A V A I L A B L E  
AN99 • AN115 • AN120 • AN124 • AN133 • AN134 • AN135  
Low Noise/Low Power/2-Wire Bus  
X9428  
Single Digitally Controlled Potentiometer (XDCP)  
FEATURES  
DESCRIPTION  
• Solid state potentiometer  
• 2-wire serial interface  
• Register oriented format  
—Direct Read/Write/Transfer Wiper Position  
—Store as many as Four Positions per  
Potentiometer  
The X9428 integrates  
potentiometers (XDCP) on a monolithic CMOS  
integrated microcircuit.  
a
digitally controlled  
The digitally controlled potentiometer is implemented  
using 63 resistive elements in a series array. Between  
each element are tap points connected to the wiper  
terminal through switches. The position of the wiper on  
the array is controlled by the user through the 2-wire  
bus interface. Each potentiometer has associated with  
it a volatile Wiper Counter Register (WCR) and 4  
nonvolatile Data Registers (DR0:DR3) that can be  
directly written to and read by the user.The contents of  
the WCR controls the position of the wiper on the  
resistor array through the switches. Power up recalls  
the contents of DR0 to the WCR.  
• Power supplies  
—V  
= 2.7V to 5.5V  
CC  
—V+ = 2.7V to 5.5V  
—V– = –2.7V to –5.5V  
• Low power CMOS  
—Standby current < 1µA  
—Ideal for Battery Operated Applications  
• High reliability  
Endurance–100,000 Data Changes per Bit per  
Register  
—Register Data Retention–100 years  
• 4-bytes of nonvolatile memory  
• 10K Ohm resistor array  
• Resolution: 64 taps each potentiometer  
• SOIC and TSSOP packages  
The XDCP can be used as  
a three-terminal  
potentiometer or as a two-terminal variable resistor in  
a wide variety of applications including control,  
parameter adjustments, and signal processing.  
BLOCK DIAGRAM  
V
V
CC  
SS  
V+  
V–  
R0 R1  
R2 R3  
V /R  
H
H
SCL  
Wiper  
Counter  
Register  
(WCR)  
Interface  
and  
Control  
SDA  
A0  
V /R  
8
L
L
A2  
A3  
Circuitry  
V
/R  
W
Data  
W
WP  
Characteristics subject to change without notice. 1 of 20  
REV 1.1.5 7/8/03  
www.xicor.com  

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