MCP4018 MICROCHIP [Microchip Technology], MCP4018 Datasheet - Page 50

• Manufacturer Part Number: MCP4018
• Manufacturer: MICROCHIP [Microchip Technology]

MCP4017/18/19
8.2
Figure 8-3
circuits that could replace fixed resistors with the
MCP4017/18/19 to achieve digitally-adjustable analog
solutions.
FIGURE 8-3:
a Non-Inverting Amplifier.
FIGURE 8-4:
DS22147A-page 50
Thevenin
Equivalent
R
1
A
B
R
V
1
DD
A
B
V
DD
W
MCP4018
Operational Amplifier
Applications
MCP4018 MCP4017
W
and
R
V
Eq
IN
V
IN
MCP4018
=
Figure 8-4
B
W
(
R
1
Trimming Offset and Gain in
+
Programmable Filter.
A
R
AB
Op Amp
+
–
illustrate typical amplifier
–
f
R
c
MCP6291
R
Op Amp
WB
–
+
=
3
-----------------------------
2
)
MCP6021
π
||
R
⋅
(
4
R
R
1
Eq
2
+
⋅
R
C
WB
V
OUT
V
)
OUT
+
R
w
© 2009 Microchip Technology Inc.