Datasheet

13
Figure 18. Bipolar isolation amplier.
Figure 16. High-speed low-cost analog isolator.
Figure 17. Precision analog isolation amplier.
-
+
V
MAG
-
+
V
IN
OC1
PD1
+
-
OC2
PD1
R1
50 K
D2
C2 10 pf
C1 10 pf
D1
R4
680
R5
680
OC1
LED
OC2
LED
R3
180 K
R2
180 K
BALANCE
C3 10 pf
OC1
PD2
R6
180 K
R7
50 K
GAIN
OC2
PD2
V
CC1
= +15 V
V
EE1
= -15 V
CNR200 fig 16
V
IN
V
CC1
+5 V
R1
68 K
PD1
LED
R3
10 K
Q1
2N3906
R4
10
Q2
2N3904
V
CC2
+5 V
R2
68 K
PD2
R5
10 K
Q3
2N3906
R6
10
Q4
2N3904
R7
470
V
OUT
CNR200 fig 17
-
+
PD1
2
3
A1
7
4
R1
200 K
INPUT
BNC
1%
C3
0.1µ
V
CC1
+15 V
C1
47
P
LT1097
R6
6.8 K
R4
2.2 K
R5
270
Q1
2N3906
V
EE1
-15 V
C4
0.1µ
R3
33 K
LED
D1
1N4150
-
+
PD2
2
3
A2
7
4
C2
33
P
OUTPUT
BNC
174 K
LT1097
50 K
1 %
V
EE2
-15 V
C6
0.1µ
R2
C5
0.1µ
V
CC2
+15 V
6
6