SINGLE CHANNEL HIGH SPEED
TRANSISTOR OPTOCOUPLERS
HCPL-0452
HCPL-0500
HCPL-0501
Noise
Shield
IF
0
VCC
+5 V
1
2
3
4
8
7
6
5
Pulse
Generator
tr = 5ns
ZO = 50
IF
+
VB
RL
5 V
VO
10% D.C.
VF
-
I/ f< 100
s
VO
VO
1.5 V
1.5 V
VOL
0.1 µF
IF Monitor
TPHL
TPLH
Rm
CL = 1.5 µF
GND
Fig. 9 Switching Time Test Circuit
VCM 10 V
IF
90% 90%
Noise
Shield
VCC
+5 V
10%
tr
10%
tf
1
2
3
4
8
7
6
5
0 V
+
VB
RL
VF
-
A
VO
VO
0.1 µF
B
VO
5 V
VFF
GND
Switch at A : I F= 0 mA
VO
-
VOL
VCM
+
-
Switch at B : I F= 16 mA
Pulse Gen
Fig. 10 Common Mode Immunity Test Circuit
© 2003 Fairchild Semiconductor Corporation
Page 8 of 11
8/18/03