MCP6051 Microchip Technology Inc., MCP6051 Datasheet - Page 18

• Manufacturer Part Number: MCP6051
• Description: 30 ?a, High Precision Op Amps
• Manufacturer: Microchip Technology Inc.

MCP6051/2/4
4.7.2
The MCP6051/2/4 op amps are well suited for condi-
tioning sensor signals in battery-powered applications.
Figure 4-8
amplifier, using the MCP6052, that works well for
applications requiring rejection of common mode noise
at higher gains. The reference voltage (V
supplied by a low impedance source. In single supply
applications, V
FIGURE 4-8:
Instrumentation Amplifier.
To obtain the best CMRR possible, and not limit the
performance by the resistor tolerances, set a high gain
with the RG resistor.
DS22182A-page 18
V
V
V
REF
2
1
V
OUT
R
1
INSTRUMENTATION AMPLIFIER
shows a two op amp instrumentation
=
REF
(
V
MCP6052
1
is typically V
R
–
2
V
½
Two Op Amp
2
R
) 1
⎛
⎝
G
+
R
R
----- -
R
2
1
2
DD
+
/2.
2R
-------- -
R
G
1
MCP6052
⎞
⎠
R
+
1
V
½
REF
V
REF
OUT
) is
4.7.3
Use high gain before a comparator to improve the
latter’s input offset performance.
gain of 11 V/V placed before a comparator. The
reference voltage V
supply rails.
FIGURE 4-9:
Comparator.
V
IN
100 kΩ
MCP6051
PRECISION COMPARATOR
1 MΩ
V
REF
REF
Precision, Non-inverting
© 2009 Microchip Technology Inc.
can be any value between the
MCP6541
Figure 4-9
shows a
V
OUT