ISO107 5. ECG Amplifier with Right Leg Drive, Defibrillator Protection, and E.S.U. Blanking. Application Schematic

Texas Instruments Incorporated

find ISO107 datasheet
ISO107 circuit
APPLICATIONS
+
+
R
1
R
A
Q
1
C
1
2.2nF
R
2
L
A
C
2
10nF
+
R
3
R
L
8
IC2A
+
+15V
R
8
R
9
2kΩ 100K
2
30
18
14
15
9
6
R
10
6
C
3
0.33µF 5
IC2B
+
D
1
R
7
10M
Q
3
R
11
10kΩ
C
4
0.1µF
7
31
29
IC3
ISO107
19
R
12
2kΩ
R
13
10kΩ
Q
4
4
20 13 16
R
14
10kΩ
V
OUT
1
11, 12
16
R
4
R
5
3
R
6
10kΩ
2
+
8
10
IC1
7
Q
2
2
3
4
IC
2
Q
1
, Q
2
, Q
4
Q
3
D
1
R
1
, R
2
, R
3
R
4
, R
5
IC
1
, IC
3
Bypass
IC
2
Bypass
*Burr-Brown P/N
IN4148
1%, 1/2W
1%, 2210Ω
1.0µF
0.1µF
–15V
FIGURE 5. ECG Amplifier with Right Leg Drive, Defibrillator Protection, and E.S.U. Blanking.
–V
CC2
V
IN1
31 30 29
20 19 18
Sync
1.6MHz
Channel 1
12
14 11
+V
CC2
ISO
107
PWS750-1
3
2
+
V
IN2
31 30 29
20 19 18
4
13 14
15 16
R
7
NOTES: (1) PWS750-1 can sync
>20 ISO107s. (2) Bypass supplies
as shown in Figure 1.
Channel 2
ISO
107
V
OUT1
2
+
4
13 14
15 16
V
OUT2
Additional Channels
FIGURE 6. Synchronized-Multichannel Isolation.
®
ISO107
8