X9271-2.7 INTERSIL [Intersil Corporation], X9271-2.7 Datasheet - Page 19

• Manufacturer Part Number: X9271-2.7
• Description: Single Supply/Low Power/256-Tap/SPI Bus
• Manufacturer: INTERSIL [Intersil Corporation]

APPLICATIONS INFORMATION
Basic Configurations of Electronic Potentiometers
Application Circuits
+12V
V
V
10kΩ
S
Noninverting Amplifier
Offset Voltage Adjustment
S
10kΩ
V
Three terminal Potentiometer;
Variable voltage divider
O
= (1+R
100kΩ
-12V
R
R
1
10kΩ
1
2
+
–
19
/R
1
)V
V
–
+
S
R
TL072
R
R
2
2
RW
V
O
V
O
X9271
V
IN
Comparator with Hysterisis
V
RL
V
UL
V
O
S
L
Two terminal Variable Resistor;
Variable current
= {R
= {R
(REG) = 1.25V (1+R
Voltage Regulator
1
1
R
/(R
/(R
1
I
adj
1
1
+R
+R
317
R
2
2
+V
)} V
)} V
–
+
2
R
R
O
2
O
(min)
(max)
I
2
/R
1
R
)+I
1
adj
R
V
2
O
V
O
(REG)
March 31, 2005
FN8174.1