FODM8071_10 Datasheet, PDF (6/13 Pages) Fairchild Semiconductor – 3.3V/5V Logic Gate Output Optocoupler with High Noise Immunity

Typical Performance Curves (Continued)
Fig. 1 Input Forward Current vs. Forward Voltage
100
10
1
0.1
TA= 110°C TA= 25°C
TA= -40°C
0.01
0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6
VF – FORWARD VOLTAGE (V)
Fig 3. Logic Low Output Supply Current
vs. Ambient Temperature
5.0
IF = 10mA
4.5
VDD = 5.0V
4.0
VDD = 3.3V
3.5
3.0
2.5
2.0
-40 -20
0
20
40
60
80 100
TA – AMBIENT TEMPERATURE (°C)
Fig. 5 Dynamic Logic Low Output Supply Current
vs. Input Frequency (VDD = 3.3V)
5.0
Frequency = 10MHz
Duty Cycle = 50%
IF= 10mA
4.5 ^{VDD = 3.3V}
4.0
TA= 25°C
3.5
TA= 110°C
TA= -40°C
3.0
2.5
0
2000
4000
6000
8000
f – INPUT FREQUENCY (kHz)
10000
Fig. 2 Input Threshold Current vs. Ambient Temperature
4.0
3.5
V_DD = 5.0V
3.0
V_DD = 3.3V
2.5
2.0
-40 -20
0
20
40
60
80 100
TA – AMBIENT TEMPERATURE (°C)
Fig 4. Logic High Output Supply Current
vs. Ambient Temperature
5.0
IF = 0mA
4.5
VDD = 5.0V
4.0
3.5
VDD = 3.3V
3.0
2.5
2.0
-40 -20
0
20
40
60
80 100
TA – AMBIENT TEMPERATURE (°C)
Fig. 6 Dynamic Logic Low Output Supply Current
vs. Input Frequency (VDD = 5.0V)
5.5
Frequency = 10MHz
Duty Cycle = 50%
IF= 10mA
5.0 ^{VDD = 5.0V}
4.5
TA= 25°C
TA= -40°C
4.0
TA= 110°C
3.5
3.0
0
2000
4000
6000
8000
f – INPUT FREQUENCY (kHz)
10000
©2008 Fairchild Semiconductor Corporation
FODM8071 Rev. 1.0.7
6
www.fairchildsemi.com