User manual

Installation and Operation
© 2011 Microchip Technology Inc. DS52005A-page 17
Figure 2-10 shows the same circuit redrawn to emphasize the instrumentation
amplifier.
FIGURE 2-10: Instrumentation Amplifier Diagram Block.
Each of the components in Figure 2-10 that need to be inserted in a socket on the
MCP6H04 Evaluation Board is listed in Table 2-1 and Table 2-2. The op amp is
soldered on the PCB.
TABLE 2-1: AMPLIFIER COMPONENTS LIST
PCB Labels Component Value
R
F
50K
R
F
* 50K
R
G
1K
R
1
10K
R
1
* 10K
R
2
10K
R
2
* 10K
R
L
10K
C
L
56 pF
TABLE 2-2: JUMPER POSITIONS
Jumper Position
JP1 V
DD
/2
GND
V
OUT
+
-
R
1
R
2
Voltage
reference
R
1
*R
2
*
R
G
R
L
C
L
V
DD
V
OUT1
V
OUT2
V
REF
+
-
+
-
V
DD
V
DD
R
F
R
F
*
Power
Supply
V
DD
U
1A
U
1B
U
1C
V
IN
(-)
V
IN
(+)