FOD0720 Fairchild Semiconductor, FOD0720 Datasheet - Page 6

• Manufacturer Part Number: FOD0720
• Description: High Speed Optocouplers High CMR 25Mbit/sec Logic Gate
• Manufacturer: Fairchild Semiconductor

Specifications of FOD0720

• Isolation Voltage: 3750 Vrms
• Maximum Fall Time: 4.5 ns
• Maximum Rise Time: 5 ns
• Minimum Forward Diode Voltage: 3750 Vrms
• Output Device: Logic Gate Photo IC
• Configuration: 1 Channel
• Maximum Baud Rate: 25 MBps
• Maximum Power Dissipation: 90 mW
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 40 C
• Package / Case: SOIC-8 Wide
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

©2004 Fairchild Semiconductor Corporation
FOD0721, FOD0720, FOD0710 Rev. 1.0.9
Typical Performance Curves
Figure 9. Typical Pulse Width Distortion vs. Output Load Capacitance
Figure 11. Typical Pulse Width Distortion vs. Output Load Capacitance
6.00
5.50
5.00
4.50
4.00
3.50
3.00
1.4
1.3
1.2
1.1
1.0
0.9
0.8
1.6
1.4
1.2
1.0
0.8
0.6
Figure 7. Typical Rise and Fall Time vs. Ambient Temperature
-40
15
15
Frequency = 12.5MHz
Duty Cycle = 50%
V
Frequency = 6.25MHz
Duty Cycle = 50%
V
Frequency = 6.25MHz
Duty Cycle = 50%
V
DD 1
DD1
D D1
= V
= V
= V
20
20
-20
DD 2
DD2
DD 2
= 5.0V
= 5.0V
= 5.0V
25
25
C
C
L
L
T
0
- Output Load Capacitance (pF)
- Output Load Capacitance (pF)
A
t r
(FOD0721/FOD0720)
t f
- Ambient Temperature (°C)
30
30
(FOD0710)
20
35
35
40
40
40
60
45
45
(Continued)
80
50
50
100
55
55
6
Figure 10. Typical Propogation Delay vs. Output Load Capacitance
Figure 12. Typical Rise and Fall Time vs. Output Load Capacitance
Figure 8. Typical Propogation Delay vs. Output Load Capacitance
28
27
26
25
24
23
22
21
27
26
25
24
23
22
21
12
10
8
6
4
2
15
15
15
Frequency = 6.25MHz
Duty Cycle = 50%
V
Frequency = 12.5MHz
Duty Cycle = 50%
V
Frequency = 6.25MHz
Duty Cycle = 50%
V
DD 1
DD1
DD1
= V
= V
= V
20
20
20
DD2
D D2
DD2
= 5.0V
= 5.0V
= 5.0V
25
25
25
C
C
C
L
L
L
- Output Load Capacitance (pF)
- Output Load Capacitance (pF)
- Output Load Capacitance (pF)
(FOD0721/FOD0720)
30
30
30
t
t
PLH
PHL
(FOD0710)
(FOD0710)
t
PLH
35
35
35
t
PHL
40
40
40
45
45
45
t r
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50
50
50
t f
55
55
55