HCNR200-300 Datasheet, PDF (13/19 Pages) AVAGO TECHNOLOGIES LIMITED – High-Linearity Analog Optocouplers

R1
68 K
V_IN
PD1
V_CC1 +5 V
R3
10 K
Q1
2N3906
LED
Q2
2N3904
R4
10
PD2
V_CC2 +5 V
R2
68 K
R5
10 K
Q3
2N3906
R7
470
Q4
2N3904
R6
10
V_OUT
Figure 16. High-speed low-cost analog isolator.
INPUT
BNC
R1
200 K
1%
PD1
V_CC1 +15 V
C3
0.1µ
R4
2.2 K
C1
47 _P
R6
6.8 K
2- ⁷
3
A1
+4
6
LT1097
C4
0.1µ
R3
33 K
R5
270
Q1
2N3906
V_CC2 +15 V
C5
0.1µ
C2
33 _P
6
LT1097
7 _-2
A2 ₃
4+
C6
0.1µ
V_EE1 -15 V
LED
D1
1N4150
V_EE2 -15 V
R2
174 K 50 K
1%
PD2
OUTPUT
BNC
Figure 17. Precision analog isolation amplifier.
R2
180 K
OC1
PD1
V_IN
R1
50 K
BALANCE
OC2
PD1
R3
180 K
V_CC1 = +15 V
V_EE1 = -15 V
C1 10 pf
D1
-
+
R4
680
OC1
LED
+
-
D2
OC2
LED
R5
680
C2 10 pf
Figure 18. Bipolar isolation amplifier.
OC1
PD2
OC2
PD2
C3 10 pf
R6
R7
180 K 50 K
GAIN
-
+
V_MAG
13