Dual, 256-Tap, Volatile, Low-Voltage

Linear Taper Digital Potentiometers

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Applications Information

Variable-Gain Amplifier

Figure 4 shows a potentiometer adjusting the gain of a

noninverting amplifier. Figure 5 shows a potentiometer

adjusting the gain of an inverting amplifier.

Adjustable Dual Linear Regulator

Figure 6 shows an adjustable dual linear regulator using

a dual potentiometer as two variable resistors.

Adjustable Voltage Reference

Figure 7 shows an adjustable voltage reference circuit

using a potentiometer as a voltage-divider.

Figure 4. Variable-Gain Noninverting Amplifier

Figure 5. Variable-Gain Inverting Amplifier

Figure 6. Adjustable Dual Linear Regulator

Figure 7. Adjustable Voltage Reference

H

L

W

H

L

W

OUT1

OUT2

SET1

SET2

IN

V+

L

L

H

H

W

W

MAX8866

OUT

IN

+5V

GND

L

H

W

MAX6160