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X9271TZ14I-2.7 PDF预览

X9271TZ14I-2.7

更新时间： 2024-02-22 23:51:10
品牌 Logo 应用领域
XICOR 转换器电阻器
页数 文件大小 规格书
23页 229K
描述
Digital Potentiometer, 1 Func, 100000ohm, 3-wire Serial Control Interface, 256 Positions, CMOS, PBGA14, BGA-14

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X9271TZ14I-2.7 技术参数

生命周期：Obsolete包装说明：BGA-14
Reach Compliance Code：unknown风险等级：5.7
其他特性：NONVOLATILE MEMORY控制接口：3-WIRE SERIAL
转换器类型：DIGITAL POTENTIOMETERJESD-30 代码：R-PBGA-B14
功能数量：1位置数：256
端子数量：14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：BGA封装形状：RECTANGULAR
封装形式：GRID ARRAY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：3 V最小电阻器端电压：
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
端子位置：BOTTOM标称总电阻：100000 Ω
Base Number Matches：1

X9271TZ14I-2.7 数据手册

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APPLICATION NOTES AND DEVELOPMENT SYSTEM  
A V A I L A B L E  
AN99 • AN115 • AN124 •AN133 • AN134 • AN135  
Single Supply / Low Power / 256-tap / SPI bus  
X9271  
Single Digitally-Controlled (XDCPTM) Potentiometer  
FEATURES  
DESCRIPTION  
• 256 Resistor Taps  
The X9271 integrates a single digitally controlled  
• SPI Serial Interface for write, read, and transfer  
operations of the potentiometer  
potentiometer (XDCP) on  
integrated circuit.  
a
monolithic CMOS  
• Wiper Resistance, 100Ω typical @ V  
• 16 Nonvolatile Data Registers  
• Nonvolatile Storage of Multiple Wiper Positions  
• Power On Recall. Loads SavedWiper Position on  
Power Up.  
= 5V  
CC  
The digital 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. The potentiometer has associated with it a  
volatile Wiper Counter Register (WCR) and a four  
nonvolatile Data Registers 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. Powerup recalls the contents of  
the default data register (DR0) to the WCR.  
• Standby Current < 3µA Max  
• V : 2.7V to 5.5V Operation  
CC  
• 50KΩ, 100KΩ versions of End to End Resistance  
• 100 yr. Data Retention  
• Endurance: 100,000 Data Changes per Bit per  
Register  
• 14-Lead TSSOP, xx-Lead XBGA  
• Low Power CMOS  
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.  
FUNCTIONAL DIAGRAM  
V
R
H
CC  
Write  
Read  
Address  
Transfer  
50KΩ and 100KΩ  
Power On Recall  
Data  
256-taps  
Inc/Dec  
Status  
Wiper Counter  
POT  
Bus  
SPI  
Bus  
Interface  
Register (WCR)  
Interface  
and Control  
Data Registers  
16 Bytes  
Control  
R
V
R
W
SS  
L
Characteristics subject to change without notice. 1 of 23  
REV 1.1.2 12/8/00  
www.xicor.com  
1234567...23

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