X9317TM8 查看數據表（PDF） - Intersil
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X9317TM8 Datasheet PDF : 15 Pages
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X9317
Basic Configurations of Electronic Potentiometers
VREF
RH
VREF
RW
RL
THREE TERMINAL POTENTIOMETER;
VARIABLE VOLTAGE DIVIDER
I
TWO TERMINAL VARIABLE RESISTOR;
VARIABLE CURRENT
Basic Circuits
BUFFERED REFERENCE VOLTAGE
R1
+V
+5V
VREF
RW
LMC7101
+
VOUT
-
VOUT = VW/RW
CASCADING TECHNIQUES
+V
+V
RW
+V
(a)
X
RW
(b)
SINGLE SUPPLY INVERTING AMPLIFIER
R1 R2
+5V
VS
100k
+5V
-
+
100k
VO
LMC7101
VO = (R2/R1)VS
VOLTAGE REGULATOR
OFFSET VOLTAGE ADJUSTMENT
COMPARATOR WITH HYSTERESIS
VIN
317
R1
R2
VO (REG)
VS
R1
100kΩ
+5V
-
Iadj
R2
10kΩ
+
LMC7101
VO (REG) = 1.25V (1+R2/R1)+Iadj R2
10kΩ
+5V
10kΩ
LT311A
VS
-
VO
+
VO
R1
R2
VUL = {R1/(R1+R2)} VO(max)
VLL = {R1/(R1+R2)} VO(min)
11
FN8183.6
December 16, 2009
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