10
10.0
VDD1 = 5 V
VDD2 = 5 V
VIN– = 0 V
9.5
9.0
TA = 25°C
8.5
8.0
-0.4
-0.2
0
0.2
0.4
VIN+ – INPUT VOLTAGE – V
78L05
IN OUT
0.1
0.1
µF
µF
9V
10 K
VDD2
150 pF
+15 V
1
8
0.1 µF
0.1 µF
2
7
HCPL-7850
3
6
2K
–
2K
+ MC34081
4
5
PULSE GEN.
+
–
VCM
10 K
150
pF
0.1 µF
-15 V
Figure 15. Output Supply Current vs.
Input Voltage.
Figure 16. Common Mode Rejection Test Circuit.
VOUT
10 K
20
IDD1
VDD1 = 5 V
IDD2
VDD2 = 5 V
15
VIN+ = 320 mV
VIN– = 0 V
10
5
VDD1
0.1 µF
VIN
0.01 µF
1
2
HCPL-7850
3
4
0
-60 -20 20 60 100 140
TA – TEMPERATURE – °C
VIN IMPEDANCE LESS THAN 10 Ω.
VDD2
8
0.1 µF
7
2K
6
2K
+15 V
0.1 µF
–
+ MC34081
5
0.1 µF
10 K
-15 V
VOUT
Figure 17. Input and Output Supply
Current vs. Temperature.
Figure 18. Propagation Delay, Rise/Fall Time and Bandwidth Test Circuit.