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X9C303S8I PDF预览

X9C303S8I

更新时间: 2024-09-17 22:25:47
品牌 Logo 应用领域
XICOR 电位器
页数 文件大小 规格书
10页 367K
描述
Digitally Controlled Potentiometer (XDCP)

X9C303S8I 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:PLASTIC, SOIC-8Reach Compliance Code:unknown
风险等级:5.83其他特性:NONVOLATILE MEMORY
控制接口:INCREMENT/DECREMENT转换器类型:DIGITAL POTENTIOMETER
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.9 mm功能数量:1
位置数:100端子数量:8
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:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:5 V
认证状态:Not Qualified电阻定律:LINEAR
最大电阻容差:15%最大电阻器端电压:5 V
最小电阻器端电压:-5 V座面最大高度:1.75 mm
子类别:Digital Potentiometers标称供电电压:5 V
表面贴装:YES技术:CMOS
标称温度系数:400 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
标称总电阻:32000 Ω宽度:3.9 mm
Base Number Matches:1

X9C303S8I 数据手册

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APPLICATION NOTE  
A V A I L A B L E  
AN42 • AN44–48 • AN50 • AN52 • AN53 • AN71 • AN92  
Terminal ꢁoltage ꢀꢁ, 100 Taps, Log Taper  
X9C303  
Digitally Controlled Potentiometer (XDCP)  
FEATURES  
DESCRIPTION  
• Solid-state potentiometer  
• Three-wire serial interface  
• 100 wiper tap points  
—Wiper position stored in nonvolatile memory  
and recalled on power-up  
The Xicor X9C303 is a digitally controlled potentiome-  
ter (XDCP). The device consists of a resistor array,  
wiper switches, a control section, and nonvolatile  
memory. The wiper position is controlled by a three-  
wire interface.  
• 99 resistive elements, log taper  
Temperature compensated  
—End to end resistance, 1ꢀ5  
Terminal voltages, ꢀꢁ  
The resistor array is composed of 99 resistive ele-  
ments. Between each element and at either end are  
tap points accessible to the wiper terminal. The posi-  
tion of the wiper element is controlled by the CS, U/D,  
and INC inputs. The position of the wiper can be  
stored in nonvolatile memory and then be recalled  
upon a subsequent power-up operation.  
• Low power CMOS  
—ꢁ  
= ꢀꢁ  
CC  
—Active current, 3mA max.  
—Standby current, 7ꢀ0µA max.  
• High reliability  
—Endurance, 100,000 data changes per bit  
—Register data retention, 100 years  
• X9C303, 32 kΩ  
• Packages  
—8-lead TSSOP  
—8-lead SOIC  
—8-pin DIP  
The device can be used as a three-terminal potentio-  
meter or as a two-terminal variable resistor in a wide  
variety of applications ranging from control, to signal  
processing, to parameter adjustment. Digitally-  
controlled potentiometers provide three powerful appli-  
cation advantages; (1) the variability and reliability of a  
solid-state potentiometer, (2) the flexibility of com-  
puter-based digital controls, and (3) the use of nonvol-  
atile memory for potentiometer settings retention.  
BLOCK DIAGRAM  
U/D  
INC  
CS  
7-Bit  
Up/Down  
Counter  
99  
98  
97  
96  
R
V
H
H/  
7-Bit  
Nonvolatile  
Memory  
One  
of  
One-  
Resistor  
Array  
Hundred  
Decoder  
Transfer  
Gates  
2
1
0
Store and  
Recall  
Control  
Circuitry  
V
V
CC  
SS  
R V  
L/  
L
R
V
W
W/  
XDCPis a trademark of Xicor, Inc.  
REV 1.1 4/27/01  
Characteristics subject to change without notice. 1 of 10  
www.xicor.com  

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