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| X9251_07 Datasheet, PDF (17/20 Pages) Intersil Corporation – Quad Digitally-Controlled (XDCP™) Potentiometer | |||
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X9251
Applications information
Basic Configurations of Electronic Potentiometers
VR
+VR
RW
Three terminal
Potentiometer;
Variable voltage divider
Application Circuits
NON INVERTING AMPLIFIER
VS
+
â
VO
R2
R1
VO = (1+R2/R1)VS
OFFSET VOLTAGE ADJUSTMENT
R1
R2
VS
100kΩ
â
+
VO
10kΩ
TL072
10kΩ
10kΩ
+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)
RLL = {R1/(R1+R2)} VO(min)
17
FN8166.5
April 13, 2007
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