X9251 Xicor, X9251 Datasheet - Page 21

• Manufacturer Part Number: X9251
• Description: Quad Digitally-Controlled (XDCP) Potentiometer
• Manufacturer: Xicor

X9251
APPLICATIONS INFORMATION
Basic Configurations of Electronic Potentiometers
Application Circuits
REV 1.3.3 2/10/04
+12V
Offset Voltage Adjustment
V
V
10KΩ
S
Noninverting Amplifier
S
10KΩ
V
O
Three terminal Potentiometer;
= (1+R
100KΩ
Variable voltage divider
-12V
R
R
1
2
10KΩ
1
+
–
/R
1
)V
V
S
–
+
R
TL072
R
R
2
2
RW
V
O
V
O
www.xicor.com
V
IN
Comparator with Hysterisis
V
V
O
S
V
RL
Two terminal Variable Resistor;
(REG) = 1.25V (1+R
Voltage Regulator
UL
L
= {R
= {R
R
Variable current
1
I
1
1
adj
/(R
/(R
Characteristics subject to change without notice.
317
1
1
R
+R
+R
+V
–
+
2
R
2
2
R
)} V
)} V
2
I
2
O
O
/R
(max)
(min)
1
)+I
R
1
adj
R
2
V
O
V
O
(REG)
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