Hcpl-3700 a c/dc to logic interface optocoupler – Fairchild AC/DC to Logic Interface Optocoupler HCPL-3700 User Manual
Page 6
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HCPL-3700 A
C/DC to Logic Interface Optocoupler
©2005 Fairchild Semiconductor Corporation
www.fairchildsemi.com
HCPL-3700 Rev. 1.0.1
6
Fig. 8 External Threshold Characteristics V+/V- vs. Rx
R
X
- EXTERNAL SERIES RESISTOR (K
Ω)
0
40
80
120
160
200
240
V+/V
- -EXTERNAL
THRESHOLD
V
O
LT
A
GE (V)
0
50
100
150
200
250
300
Fig. 7 Logic High Supply Current
vs. Temperature
T
A
- TEMPERATURE (°C)
-60
-40
-20
0
20
40
60
80
100
I
CCH
- LOGIC HIGH SUPPL
Y
CURRENT (
nA)
1
10
100
1000
V+ (AC)
V- (AC)
V- (DC)
V+ (DC)
V
O
= OPEN
V
I
IN
CC
= 0 mA
= 18 V
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