MAX5389 MAXIM [Maxim Integrated Products], MAX5389 Datasheet - Page 10

• Manufacturer Part Number: MAX5389
• Description: Dual, 256-Tap, Volatile, Low-Voltage Linear Taper Digital Potentiometer
• Manufacturer: MAXIM [Maxim Integrated Products]

Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
Figure 3. Variable Gain Noninverting Amplifier
Figure 4. Variable Gain Inverting Amplifier
Figure 3 shows a potentiometer adjusting the gain of a
noninverting amplifier. Figure 4 shows a potentiometer
adjusting the gain of an inverting amplifier.
10
_____________________________________________________________________________________
V
IN
Applications Information
L
V
IN
W
Variable Gain Amplifier
H
H
W
L
V
V
OUT
OUT
Figure 5. Adjustable Dual Linear Regulator
Figure 5 shows an adjustable dual linear regulator using
a dual potentiometer as two variable resistors.
Figure 6 shows an adjustable voltage reference circuit
using a potentiometer as a voltage-divider.
Figure 6. Adjustable Voltage Reference
V+
IN
MAX8866
Adjustable Dual Linear Regulator
OUT1
OUT2
SET1
SET2
Adjustable Voltage Reference
MAX6160
GND
IN
+5V
W
OUT
H
L
W
H
L
H
L
W
V
REF
V
V
OUT1
OUT2