x9315wsizt2 Intersil Corporation, x9315wsizt2 Datasheet - Page 11

• Manufacturer Part Number: x9315wsizt2
• Description: Digitally Controlled Potentiometer Xdcp?
• Manufacturer: Intersil Corporation

Basic Configurations of Electronic Potentiometers
Basic Circuits
+V
Buffered Reference Voltage
R
V
REF
1
V
IN
V
O
Three terminal potentiometer;
variable voltage divider
(REG) = 1.25V (1 + R
V
W
Voltage Regulator
V
I
adj
OUT
11
+
–
317
V
V
+5V
-5V
= V
H
L
V
R
R
OP-07
2
W
/R
W
V
2
R
OUT
/R
1
1
V
) + I
W
/R
W
adj
V
Cascading Techniques
+V
+V
O
R
(REG)
2
(a)
X9315
R
W
/V
W
+V
V
V
V
Comparator with Hysteresis
UL
LL
(b)
S
= {R
= {R
X
Two terminal variable resistor;
variable current
(for additional circuits see AN115)
LT311A
R
R
1
W
1
/(R
1
/(R
/V
W
1
1
+ R
R
+ R
–
+
2
V
2
2
)} V
R
)} V
V
S
V
Noninverting Amplifier
O
O
O
I
(min)
(max)
= (1 + R
R
1
+
–
+5V
V
-5V
2
O
/R
1
LM308A
)V
R
S
2
September 15, 2005
V
O
FN8179.1