FOD073L_09 Datasheet, PDF (5/12 Pages) Fairchild Semiconductor – LVTTL/LVCMOS Compatible Low Input Current High Gain Split Darlington Optocoupler

Typical Performance Curves
Fig. 1 Input Forward Current vs Forward Voltage
100
10
TA = 85°C
TA = 70°C
1
TA = 25°C
0.1
TA = -40°C
TA = 0°C
0.01
0.001
0.9
1.0
1.1 1.2
1.3
1.4
1.5
1.6
1.7
VF - FORWARD VOLTAGE (V)
Fig. 2 Current Transfer Ratio vs. Input Forward Current
3500
3000
2500
2000
1500
TA = 85°C
TA = 70°C
TA = 25°C
TA = 0°C
VO = 0.4V
VCC = 3.3V
TA = 25°C
1000
500
TA = -40°C
0
0.1
1
10
IF - FORWARD CURRENT (mA)
Fig. 3 DC Transfer Characterstics
140
TA = 25°C
VCC = 3.3V
120
100
80
60
40
20
IF = 5mA
IF = 4.5mA
4mA
3.5mA
3mA
2.5mA
2mA
1.5mA
1mA
0.5mA
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
V_O - OUTPUT VOLTAGE (V)
Fig. 5 Output Current vs Input Forward Current
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. 4 Supply Current vs Input Forward Current
10
TA = 25°C
VCC = 3.3V
1
0.1
0.01
0.1
1
10
I_F - Input Forward Current (mA)
Fig. 6 Propagation Delay vs. Ambient Temperature
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
T_A - Ambient Temperature (°C)
80
100
©2004 Fairchild Semiconductor Corporation
FOD073L Rev. 1.0
5
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