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| X9252 Datasheet, PDF (16/19 Pages) Xicor Inc. – Quad Digitally-Controlled (XDCP) potentiometer | |||
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X9252
Applications Information
Basic Configurations of Electronic Potentiometers
VR
+VR
RW
Three terminal
Potentiometer;
Variable voltage divider
Application Circuits
NONINVERTING AMPLIFIER
VS
+
VO
-
R2
R1
VO = (1+R2/R1)VS
OFFSET VOLTAGE ADJUSTMENT
R1
R2
VS
+5V
100kâ¦
-
VO
+
TL072
10kâ¦
10kâ¦
+5V
10kâ¦
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
-
VO
+
R1 R2
VUL = {R1/(R1+R2)} VO(max)
RLL = {R1/(R1+R2)} VO(min)
16
FN8167.1
September 14, 2005
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