FOD070L Datasheet, PDF (6/17 Pages) Fairchild Semiconductor – LVTTL/LVCMOS COMPATIBLE LOW INPUT CURRENT HIGH GAIN SPLIT DARLINGTON OPTOCOUPLERS

SINGLE CHANNEL:
DUAL CHANNEL:
LVTTL/LVCMOS COMPATIBLE LOW INPUT
CURRENT HIGH GAIN SPLIT DARLINGTON
OPTOCOUPLERS
FOD070L
FOD073L
FOD270L
TYPICAL PERFORMANCE CURVES
Fig. 7 Supply Current vs Input Forward Current
(FOD270L, FOD070L, FOD073L)
10
TA = 25°C
VCC = 3.3V
FOD270L
or FOD070L
1
FOD073L
0.1
0.01
0.1
1
10
I_F - Input Forward Current (mA)
Fig. 9 Output Current vs Input Forward Current
(FOD070L only)
Fig. 8 Output Current vs Input Forward Current
(FOD270L only)
100
TA = 85°C
TA = -40°C
TA = 0°C
10
TA = 25°C
TA = 70°C
1
0.1
1
VO = 0.4V
VCC = 3.3V
TA = 25°C
10
I_F - Input Forward Current (mA)
Fig. 10 Output Current vs Input Forward Current
(FOD073L only)
100
TA = 70°C, 85°C
10
TA = -40°C
TA = 0°C
TA = 25°C
1
0.1
1
VO = 0.4V
VCC = 3.3V
TA = 25°C
10
I_F - Forward Current (mA)
Fig. 11 Propagation Delay vs.
Input Forward Current (FOD070L only)
5
54
TA = 25°C
VCC = 3.3V
RL = 4.7kΩ
1/f = 100µs
Duty Cycle = 10%
4
52
tPLH
3
50
2
48
1
46
tPHL
0
44
0
1
2
3
4
5
6
7
8
9
10
I_F - Input Forward Current (mA)
100
TA = 70°C, 85°C
10
TA = -40°C
TA = 0°C
TA = 25°C
1
0.1
0.1
1
10
I_F - Forward Current (mA)
VO = 0.4V
VCC = 3.3V
TA = 25°C
Fig. 12 Propagation Delay vs.
Ambient Temperature (FOD073L only)
70
VCC = 3.3V
IF = 0.5mA
60 _{RL = 4.7kΩ}
1/f = 100µs
Duty Cycle = 10%
50
40
tPLH
30
20
10
tPHL
0
-40
-20
0
20
40
60
80
100
T_A - Ambient Temperature (°C)
© 2004 Fairchild Semiconductor Corporation
Page 6 of 17
8/10/04