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| X9410_06 Datasheet, PDF (16/21 Pages) Intersil Corporation – Dual Digitally Controlled Potentiometer | |||
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X9410
APPLICATIONS INFORMATION
Basic Configurations of Electronic Potentiometers
VR
VR
VW/RW
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
100kâ¦
â
+
VO
10kâ¦
TL072
10kâ¦
10kâ¦
+12V
-12V
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 HYSTERESIS
VS
â
VO
+
R1 R2
VUL = {R1/(R1+R2)} VO(max)
VLL = {R1/(R1+R2)} VO(min)
16
FN8193.2
October 12, 2006
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