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X9418YP24I-2.7 PDF预览

X9418YP24I-2.7

更新时间： 2024-11-06 22:09:11
品牌 Logo 应用领域
XICOR 转换器电位器数字电位计
页数 文件大小 规格书
21页 387K
描述
Dual Digitally Controlled Potentiometers

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X9418YP24I-2.7 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：PLASTIC, DIP-24Reach Compliance Code：unknown
风险等级：5.77Is Samacsys：N
其他特性：NONVOLATILE MEMORY控制接口：2-WIRE SERIAL
转换器类型：DIGITAL POTENTIOMETERJESD-30 代码：R-PDIP-T24
JESD-609代码：e0功能数量：2
位置数：64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：DIP
封装等效代码：DIP24,.6封装形状：RECTANGULAR
封装形式：IN-LINE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：5.5 V
最小电阻器端电压：-5.5 V子类别：Digital Potentiometers
表面贴装：NO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：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
标称总电阻：2500 ΩBase Number Matches：1

X9418YP24I-2.7 数据手册

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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  
X9418  
Dual Digitally Controlled Potentiometers (XDCP™)  
FEATURES  
DESCRIPTION  
• Two potentiometers in one package  
• 2-wire serial interface  
• Register oriented format  
—Direct Read/Write/Transfer Wiper Position  
—Store as many as Four Positions per  
Potentiometer  
The X9418 integrates two digitally controlled  
potentiometers (XDCP) on a monolithic CMOS  
integrated microcircuit.  
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  
• 8-bytes of nonvolatile memory  
• 2.5KΩ, 10KΩ resistor array  
• Resolution: 64 taps each potentiometer  
• 24-pin plastic DIP, 24-lead TSSOP and 24-lead  
SOIC 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
V+  
V-  
CC  
SS  
R0 R1  
R2 R3  
V
/R  
H0 H0  
Wiper  
Counter  
Register  
(WCR)  
V
V
/R  
L0 L0  
WP  
/R  
SCL  
W0 W0  
SDA  
A0  
A1  
A2  
Interface  
and  
Control  
8
Circuitry  
V
/R  
A3  
W1 W1  
Data  
R0 R1  
R2 R3  
V
/R  
Wiper  
Counter  
Register  
(WCR)  
H1 H1  
Resistor  
Array  
XDCP1  
V
/R  
L1 L1  
Characteristics subject to change without notice. 1 of 21  
REV 1.1.5 7/23/02  
www.xicor.com  
1234567...21

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