Datasheet

12
t
r
, t
f
– RISE, FALL TIME – ns
-60
0
T
A
– TEMPERATURE – C
100
140
HCPL-261A fig 14
160
-20
40
20 60-40 0 40 80
60
120
20
V
CC
= 5 V
I
F
= 3.5 mA
R
L
= 4 kΩ
R
L
= 1 kΩ
R
L
= 350 Ω, 1 kΩ, 4 kΩ
t
rise
t
fall
R
L
= 350 Ω
PWD – ns
-60
0
T
A
– TEMPERATURE – C
100
50
HCPL-261A fig 13
60
-20
20
20 60-40 0 40 80
30
40
10
R
L
= 1 kΩ
R
L
= 350 Ω
V
CC
= 5 V
I
F
= 3.5 mA
R
L
= 4 kΩ
t
p
– PROPAGATION DELAY – ns
0
0
I
F
– PULSE INPUT CURRENT – mA
12
100
HCPL-261A fig 12
120
2
40
6 84 10
60
80
20
TPLH
R
L
= 4 kΩ
V
CC
= 5 V
T
A
= 25 C
TPLH
R
L
= 1 kΩ
TPHL
R
L
= 350 Ω, 1 kΩ, 4 kΩ
TPLH
R
L
= 350 Ω
t
p
– PROPAGATION DELAY – ns
-60
0
T
A
– TEMPERATURE – C
100
100
HCPL-261A fig 11
120
-20
40
20 60-40 0 40 80
60
80
20
TPLH
R
L
= 4 kΩ
TPLH
R
L
= 1 kΩ
TPLH
R
L
= 350 kΩ
TPHL
R
L
= 350 Ω, 1 kΩ, 4 kΩ
V
CC
= 5 V
I
F
= 3.5 mA
I
TH
– INPUT THRESHOLD CURRENT – mA
-60
0
T
A
– TEMPERATURE – C
100
1.5
HCPL-261A fig 10
2.0
-20
0.5
20 60-40 0 40 80
1.0
V
CC
= 5 V
V
O
= 0.6 V
R
L
= 350 Ω
R
L
= 1 kΩ
R
L
= 4 kΩ
Figure 10. Typical input threshold current vs.
temperature.
Figure 13. Typical pulse width distortion vs.
temperature.
Figure 11. Typical propagation delay vs. tem-
perature.
Figure 12. Typical propagation delay vs. pulse
input current.
Figure 14. Typical rise and fall time vs. temperature.