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| X9401_06 Datasheet, PDF (16/19 Pages) Intersil Corporation – Quad, 64 Tap, Digitally Controlled Potentiometer | |||
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Application Circuits
NONINVERTING AMPLIFIER
VS
+
â
VO
R2
R1
VO = (1+R2/R1)VS
X9401
VOLTAGE REGULATOR
VIN
317
VO (REG)
R1
Iadj
R2
VO (REG) = 1.25V (1+R2/R1)+Iadj R2
OFFSET VOLTAGE ADJUSTMENT
R1
R2
VS
â
100kΩ
+
VO
TL072
10kΩ
10kΩ
10kΩ
+5V
COMPARATOR WITH HYSTERESIS
VS
â
VO
+
R1 R2
VUL = {R1/(R1+R2)} VO(max)
VLL = {R1/(R1+R2)} VO(min)
ATTENUATOR
R1
R2
â
VS
+
VO
R3
R4 All RS = 10kΩ
VO = G VS
-1/2 ⤠G ⤠+1/2
FILTER
C
VS
+
â
VO
R
R2
R1
GO = 1 + R2/R1
fc = 1/(2ÏRC)
16
FN8190.3
October 12, 2006
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