INA104BM BURR-BROWN [Burr-Brown Corporation], INA104BM Datasheet - Page 11

• Manufacturer Part Number: INA104BM
• Description: Very-High Accuracy INSTRUMENTATION AMPLIFIER
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

FIGURE 11. Precision Isolated Instrumentation Amplifier.
FIGURE 10. ECG Amplifier or Recorder Pre-Amp for Biological Signals.
RA
RL
High voltage protection
diodes are IN459.
LA
NOTE: (1) Internal Op Amp, A4, or External Amp (OPA27 or equivalent).
E
IN
NOTES: (1) Does not require an external ISO P/S. (2) Bypass as shown in Figure 1.
R
330k
330k
1M
Right Leg Driver Amp gives higher AC CMR.
G
17
18
14
5
1
2
+15V
+In
–In
(2)
+15V
–15V
Common
INA104
13
Input
6
+15V
–15V
3
–15V
7
(2)
1mVp-p
10
E
E
Isolated Power Supply
1
2
11
11
8
722
40.04
R
G
17
18
14
ISO100,
3656
5
1
2
3650,
or
+15V
+In
–In
1M - 10M
(1)
INA104
13
Isolation Amplifier
+15V
10
Sense
CMV
(from isolated power supply
12
Common
Output
(1)
with bypassing)
4
G = 1000
–15V
(from isolated
power supply
with bypassing)
5k
3
+15V
7
E
OUT
–15V
6
INA104
E
8
OUT
1Vp-p
To isolation
stage
®