16
FN8167.3
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Applications Information
Basic Configurations of Electronic Potentiometers
FIGURE 10. THREE TERMINAL POTENTIOMETER; VARIABLE
VOLTAGE DIVIDER
FIGURE 11. TWO TERMINAL VARIABLE RESISTOR;
VARIABLE CURRENT
V
R
RW
+V
R
I
Application Circuits
FIGURE 12. NONINVERTING AMPLIFIER
FIGURE 13. VOLTAGE REGULATOR
FIGURE 14. OFFSET VOLTAGE ADJUSTMENT FIGURE 15. COMPARATOR WITH HYSTERISIS
+
-
V
S
V
O
R
2
R
1
V
O
= (1+R
2
/R
1
)V
S
R
1
R
2
I
adj
V
O
(REG)V
IN
317
V
O
(REG) = 1.25V (1+R
2
/R
1
) + I
adj
R
2
+
-
V
S
V
O
R
2
R
1
100k
10k10k
10k
+5V
TL072
+5V
+
-
V
S
V
O
R
2
R
1
}
}
V
UL
= {R
1
/(R
1
+R
2
)} V
O
(max)
RL
L
= {R
1
/(R
1
+R
2
)} V
O
(min)
X9252
17
FN8167.3
July 24, 2014
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FIGURE 16. ATTENUATOR
FIGURE 17. FILTER
FIGURE 18. INVERTING AMPLIFIER
FIGURE 19. EQUIVALENT L-R CIRCUIT
FIGURE 20. FUNCTION GENERATOR
Application Circuits (Continued)
+
-
V
S
V
O
R
3
R
1
R
2
R
4
R
1
= R
2
= R
3
= R
4
= 10k
V
O
= G V
S
-1/2 G +1/2
+
-
V
S
R
2
R
1
R
C
V
O
G
O
= 1 + R
2
/R
1
fc = 1/(2RC)
+
-
V
S
V
O
R
2
R
1
}
}
V
O
= G V
S
G = - R
2
/R
1
Z
IN
= R
2
+ s R
2
(R
1
+ R
3
) C
1
= R
2
+ s Leq
(R
1
+ R
3
) >> R
2
+
-
V
S
R
2
C
1
R
1
R
3
Z
IN
+
-
R
2
+
-
R
1
}
}
R
A
R
B
FREQUENCY R
1
, R
2
, C
AMPLITUDE R
A
, R
B
C
X9252
18
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9001 quality systems.
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
FN8167.3
July 24, 2014
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FIGURE 21. WINDOW COMPARATOR
FIGURE 22. SHUNT LIMITER
FIGURE 23. FUNCTION GENERATOR
Application Circuits (Continued)
+
-
V
S
V
O
V+
+
-
V
UL
V
LL
V+
+
-
V
S
V
O
}
}
V
R
+
}
mR
nR
pR
+
-
V
O
}
}
}
mR
nR
pR
C
+
-
X9252

X9252YV24IZ-2.7

Mfr. #:
Manufacturer:
Renesas / Intersil
Description:
Digital Potentiometer ICs 256-TAP2 8KOHM 2 7-5 5V DCP-24 INDUSTRIAL
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union