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X9258TS24I-2.7 PDF预览

X9258TS24I-2.7

更新时间: 2024-11-12 22:25:11
品牌 Logo 应用领域
XICOR 转换器电位器数字电位计电阻器光电二极管
页数 文件大小 规格书
22页 413K
描述
Quad Digital Controlled Potentiometers (XDCP)

X9258TS24I-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:5.68Is 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-PDSO-G24
JESD-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
峰值回流温度(摄氏度):NOT SPECIFIED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座面最大高度:2.65 mm
子类别:Digital Potentiometers标称供电电压:3 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
处于峰值回流温度下的最长时间:NOT SPECIFIED标称总电阻:100000 Ω
宽度:7.5 mmBase Number Matches:1

X9258TS24I-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/256 Taps  
X9258  
Quad Digital Controlled Potentiometers (XDCP)  
FEATURES  
DESCRIPTION  
• Four potentiometers in one package  
• 256 resistor taps/pot–0.4% resolution  
• 2-wire serial interface  
The X9258 integrates  
potentiometers (XDCP) on a monolithic CMOS  
integrated circuit.  
4
digitally controlled  
• Wiper resistance, 40typical @ V+ = 5V, V- = -5V  
• Four nonvolatile data registers for each pot  
• Nonvolatile storage of wiper position  
• Standby current < 5µA max (total package)  
• Power supplies  
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  
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 though the switches. Power  
up recalls the contents of DR0 to the WCR.  
—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-lead SOIC, 24-lead TSSOP, 24-lead CSP (Chip  
Scale Package)  
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.  
• Dual supply version of X9259  
BLOCK DIAGRAM  
Pot 0  
V
V
CC  
SS  
R
R
R
R
V /R  
H0 H0  
R
R
R
R
0
2
1
3
0
2
1
3
Wiper  
Counter  
Register  
(WCR)  
Wiper  
Counter  
Register  
(WCR)  
V
/R  
H2 H2  
Resistor  
Array  
Pot 2  
V+  
V-  
V
/R  
L0 L0  
WP  
V
/R  
L2 L2  
V
/R  
SCL  
SDA  
A0  
A1  
A2  
W0 W0  
V
/R  
W2 W2  
Interface  
and  
Control  
8
Circuitry  
V
/R  
A3  
W1 W1  
Data  
V
V
/R  
W3 W3  
R
R
R
R
0
2
1
3
V
/R  
R
R
R
R
H1 H1  
Wiper  
Counter  
Register  
(WCR)  
0
2
1
3
/R  
Wiper  
Counter  
Register  
(WCR)  
Resistor  
Array  
Pot 1  
H3 H3  
Resistor  
Array  
Pot 3  
V
/R  
L1 L1  
V
/R  
L3 L3  
Characteristics subject to change without notice. 1 of 22  
REV 1.1.7 2/4/03  
www.xicor.com  

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