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X9250US24I-2.7T1 PDF预览

X9250US24I-2.7T1

更新时间： 2024-11-23 14:45:39
品牌 Logo 应用领域
瑞萨 - RENESAS 光电二极管转换器电阻器
页数 文件大小 规格书
20页 814K
描述
QUAD 50K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24, PLASTIC, SOIC-24

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X9250US24I-2.7T1 技术参数

是否Rohs认证：不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：0.300 INCH, PLASTIC, MS-013AD, SOIC-24
针数：24Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.14Is Samacsys：N
其他特性：NONVOLATILE MEMORY控制接口：3-WIRE SERIAL
转换器类型：DIGITAL POTENTIOMETERJESD-30 代码：R-PDSO-G24
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
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
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座面最大高度：2.65 mm
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
Base Number Matches：1

X9250US24I-2.7T1 数据手册

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DATASHEET  
X9250  
FN8165  
Rev.3.00  
August 29, 2006  
Low Noise/Low Power/SPI Bus/256 Taps Quad Digitally Controlled  
Potentiometers (XDCP™)  
FEATURES  
DESCRIPTION  
The X9250 integrates  
potentiometers (XDCP) on a monolithic CMOS  
integrated circuit.  
• Four potentiometers in one package  
• 256 resistor taps/pot - 0.4% resolution  
• SPI serial interface  
4
digitally controlled  
• Wiper resistance, 40typical @ V  
= 5V  
CC  
The digitally controlled potentiometer is implemented  
using 255 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  
SPI 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 though the switches. Power up recalls  
the contents of DR0 to the WCR.  
• Four nonvolatile data registers for each pot  
• Nonvolatile storage of wiper position  
• Standby current < 5µA max (total package)  
• Power supplies  
—V  
= 2.7V to 5.5V  
CC  
—V+ = 2.7V to 5.5V  
—V– = -2.7V to -5.5V  
• 100k, 50ktotal pot resistance  
• High reliability  
—Endurance – 100,000 data changes per bit per  
register  
—Register data retention - 100 years  
• 24 Ld SOIC, 24 Ld TSSOP  
• Dual supply version of X9251  
• Pb-free plus anneal available (RoHS compliant)  
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  
Pot 0  
SS  
R
R
R
R
V
/R  
H0 H0  
R
R
R
R
0
1
0
1
Wiper  
V
/R  
H2 H2  
Wiper  
Counter  
Register  
(WCR)  
Resistor  
Array  
Pot 2  
Counter  
Register  
(WCR)  
V
/R  
L0 L0  
HOLD  
2
3
2
3
V
/R  
L2 L2  
CS  
SCK  
SO  
V
V
/R  
W0 W0  
V
/R  
W2 W2  
Interface  
and  
Control  
SI  
8
Circuitry  
A0  
A1  
/R  
W1 W1  
Data  
V
V
/R  
W3 W3  
WP  
R
R
R
R
0
1
R
R
R
R
V
/R  
H1 H1  
Wiper  
Counter  
Register  
(WCR)  
0
1
3
/R  
Wiper  
Counter  
Register  
(WCR)  
H3 H3  
Resistor  
Array  
Pot1  
Resistor  
Array  
Pot 3  
2
3
V
/R  
L1 L1  
2
V
/R  
L3 H3  
FN8165 Rev.3.00  
August 29, 2006  
Page 1 of 20  
1234567...20

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