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X9258TZ24I-2.7T1 PDF预览

X9258TZ24I-2.7T1

更新时间： 2024-01-13 23:44:11
品牌 Logo 应用领域
XICOR 转换器电阻器
页数 文件大小 规格书
22页 145K
描述
Digital Potentiometer, 4 Func, 100000ohm, 2-wire Serial Control Interface, 256 Positions, CMOS, PBGA24, BGA-24

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X9258TZ24I-2.7T1 技术参数

生命周期：Transferred包装说明：BGA-24
Reach Compliance Code：unknown风险等级：5.64
其他特性：NONVOLATILE MEMORY控制接口：2-WIRE SERIAL
转换器类型：DIGITAL POTENTIOMETERJESD-30 代码：R-PBGA-B24
长度：4.553 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：VFBGA
封装形状：RECTANGULAR封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH
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：0.765 mm
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端子形式：BALL
端子节距：0.5 mm端子位置：BOTTOM
标称总电阻：100000 Ω宽度：2.775 mm
Base Number Matches：1

X9258TZ24I-2.7T1 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, 40Ω typical @ 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  
• 100KΩ, 50KΩ total 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 XBGA  
• Dual supply version of X9259  
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  
Pot 0  
V
V
CC  
R
R
R
R
V /R  
H0 H0  
SS  
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 1.1.4 5/4/02  
www.xicor.com  
1234567...22

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