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X9313ZSIT3 PDF预览

X9313ZSIT3

更新时间: 2024-01-31 21:50:37
品牌 Logo 应用领域
XICOR 光电二极管转换器电阻器
页数 文件大小 规格书
10页 88K
描述
1K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 32 POSITIONS, PDSO8, PLASTIC, SOIC-8

X9313ZSIT3 数据手册

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APPLICATION NOTE  
A V A I L A B L E  
AN20 • AN42–53 • AN71 • AN73 • AN88 • AN91–92 • AN99 • AN115 • AN120 • AN124 • AN133 • AN134 • AN135  
Terminal Voltages ±±Vꢀ ꢁ3 Taꢂs  
X9ꢁ1ꢁ  
Digitally Controlled Potentiometer (XDCP)  
FEATURES  
DESCRIPTION  
• Solid-state ꢂotentiometer  
• ꢁ-wire serial interface  
• ꢁ3 wiꢂer taꢂ ꢂoints  
—Wiꢂer ꢂosition stored in nonvolatile memory  
and recalled on ꢂower-uꢂ  
The Xicor X9313 is a digitally controlled potentiometer  
(XDCP). The device consists of a resistor array, wiper  
switches, a control section, and nonvolatile memory.  
The wiper position is controlled by a 3-wire interface.  
The potentiometer is implemented by a resistor array  
composed of 31 resistive elements and a wiper  
switching network. Between each element and at  
either end are tap points accessible to the wiper  
terminal. The position 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.  
• ꢁ1 resistive elements  
Temꢂerature comꢂensated  
—End to end resistance range ± 320  
Terminal voltagesꢀ –±V to +±V  
• Low ꢂower CMOS  
—V = ꢁV or ±V  
CC  
—Active currentꢀ ꢁmA max.  
—Standby currentꢀ ±22µA max.  
• High reliability  
—Enduranceꢀ 122ꢀ222 data changes ꢂer bit  
—Register data retentionꢀ 122 years  
The device can be used as a three-terminal  
potentiometer or as a two-terminal variable resistor in  
a wide variety of applications including:  
• R  
• Packages  
values = 1Kꢀ 12Kꢀ ±2KΩ  
TOTAL  
– control  
—8-lead SOICꢀ MSOP and DIP  
– parameter adjustments  
– signal processing  
BLOCK DIAGRAMS  
5-Bit  
U/D  
INC  
CS  
R /V  
31  
H
H
Up/Down  
Counter  
V
(Supply Voltage)  
CC  
30  
29  
28  
R /V  
Up/Down  
(U/D)  
H
H
5-Bit  
Nonvolatile  
Memory  
One  
of  
Control  
Increment  
(INC)  
R
/V  
W
and  
W
Memory  
Thirty  
Two  
Transfer  
Gates  
Resistor  
Array  
Device Select  
(CS)  
Decoder  
R /V  
L
L
2
Store and  
Recall  
Control  
Circuitry  
V
(Ground)  
SS  
1
0
V
V
CC  
SS  
General  
R /V  
L
L
R
/V  
W
W
Detailed  
Characteristics subject to change without notice. 1 of 10  
REV 1.5 10/7/03  
www.xicor.com  

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