AMP01 Analog Devices, AMP01 Datasheet - Page 13

• Manufacturer Part Number: AMP01
• Description: Low Noise/ Precision Instrumentation Amplifier
• Manufacturer: Analog Devices

REV. D
GROUND
SIGNAL
GUARD
DRIVE
–IN
+IN
A
VOLTAGE GAIN, G =
R2
1M
V
= 500 WITH COMPONENTS SHOWN
AMP01
6
+15V
C
–15V
Figure 31. AMP01 Evaluation Circuit Showing Guard-Drive Connection
7
4
741
C
REFERENCE
OUTPUT
(
20
2
3
R
G1
R
S
)
8
7
R1
1M
+15V
200
200
R
R
9
Figure 32. Basic Grounding Practice
G3
G2
POWER SUPPLY
R
400
ANALOG
G1
HOLD
CAPACITOR
0V
18
1
2
3
R
R
G
G
SAMPLE AND HOLD
R
V
NULL
15
16
100k
10k
S
IOS
C
VR2
R
–13–
–15V
S
AMP01
SMP-11
R
14
S
17
C
0.047 F
V
NULL
NC
100k
OOS
4
VR1
6
C3
C = 0.047 F CERAMIC CAPACITORS
13
5
DIGITAL
GROUND
R4
*
10
+ C6
+15V
R3
C4
0.047 F
10 F
V+
*
12
V–
11
0V
7
8
GROUND
C1
0.047 F
ANALOG
C
C2
0.047 F
POWER SUPPLY
9
DIGITAL
C
R5
ADC
–15V
*
+ C5
GROUND
DIGITAL
10 F
*
SOLDER LINK
4.7 F
C
*
*
+
+5V
SENSE
OUTPUT
REFERENCE
GROUND
DIGITAL
DATA
OUTPUT
AMP01