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| X9252 Datasheet, PDF (19/21 Pages) Xicor Inc. – Quad Digitally-Controlled (XDCP) potentiometer | |||
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APPLICATIONS INFORMATION
Basic Configurations of Electronic Potentiometers
VR
RW
X9252
+VR
Three terminal Potentiometer;
Variable voltage divider
Application Circuits
Noninverting Amplifier
VS
+
â
VO
R2
R1
VO = (1+R2/R1)VS
Offset Voltage Adjustment
R1
R2
VS
+5V
100Kâ¦
â
+ TL072
VO
10Kâ¦
10Kâ¦
10Kâ¦
+5V
I
Two terminal Variable Resistor;
Variable current
Voltage Regulator
VIN
317
VO (REG)
R1
Iadj
R2
VO (REG) = 1.25V (1+R2/R1)+Iadj R2
Comparator with Hysterisis
VS
â
VO
+
R1 R2
VUL = {R1/(R1+R2)} VO(max)
RLL = {R1/(R1+R2)} VO(min)
REV 1.4.1 7/29/03
www.xicor.com
19 of 21
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