MCP40D17 Microchip Technology Inc., MCP40D17 Datasheet - Page 50

• Manufacturer Part Number: MCP40D17
• Description: 7-bit Single I 2 C? With Command Code Digital Pot With Volatile Memory In Sc70
• Manufacturer: Microchip Technology Inc.

MCP40D17/18/19
8.2
Figure 8-3
circuits that could replace fixed resistors with the
MCP40D17/18/19
analog solutions.
FIGURE 8-3:
a Non-Inverting Amplifier.
DS22152B-page 50
R
1
A
B
V
DD
Operational Amplifier
Applications
MCP40D18
W
and
V
IN
Figure 8-4
to
Trimming Offset and Gain in
MCP40D17
achieve
Op Amp
+
‚
illustrate typical amplifier
MCP6291
R
3
digitally-adjustable
V
OUT
FIGURE 8-4:
Thevenin
Equivalent
R
1
A
B
V
DD
W
MCP40D18
R
V
Eq
IN
MCP40D18
=
B
W
(
R
1
+
Programmable Filter.
© 2009 Microchip Technology Inc.
A
R
AB
–
f
c
R
Op Amp
WB
+
=
‚
-----------------------------
2
)
MCP6021
π
||
R
⋅
(
4
R
R
1
Eq
2
+
⋅
C
R
WB
V
)
OUT
+
R
w