FOD0721 Fairchild Semiconductor, FOD0721 Datasheet - Page 5

• Manufacturer Part Number: FOD0721
• Description: High Speed Optocouplers High CMR 25Mbit/sec Logic Gate
• Manufacturer: Fairchild Semiconductor

Specifications of FOD0721

• 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 3. Typical Propogation Delay vs. Ambient Temperature
Figure 5. Typical Propogation Delay vs. Ambient Temperature
28
26
24
22
20
18
26
25
24
23
22
21
20
19
18
5
4
3
2
1
0
-40
-40
0
Frequency = 12.5MHz
Duty Cycle = 50%
V
DD1
Figure 1. Typical Output Voltage vs. Input Voltage
= V
-20
-20
DD2
1
= 5.0V
T
0
T
0
A
A
(FOD0721/FOD0720)
- Ambient Temperature (°C)
- Ambient Temperature (°C)
V
t
PLH
I
(FOD0710)
- Input Voltage (V)
2
20
20
40
40
3
t
t
PLH
PHL
t
PHL
60
60
4
80
80
100
100
5
5
Figure 6. Typical Pulse Width Distortion vs. Ambient Temperature
Figure 4. Typical Pulse Width Distortion vs. Ambient Temperature
1.9
1.8
1.7
1.6
1.5
1.4
-1
-2
-3
5
4
3
2
1
0
-1
-2
-3
4
3
2
1
0
4.50
-40
-40
Figure 2. Typical Input Voltage Switching Threshold vs.
Frequency = 12.5MHz
Duty Cycle = 50%
V
V
Frequency = 6.25MHz
Duty Cycle = 50%
V
D D2
D D1
DD1
= 5.0V
= V
= V
-20
-20
DD 2
DD2
= 5.0V
= 5.0V
4.75
T
V
0
T
0
(FOD0721/FOD0720)
A
A
D D1
Input Supply Voltage
- Ambient Temperature (°C)
- Ambient Temperature (°C)
- Input Supply Voltage (V)
(FOD0710)
20
20
5.00
40
40
60
60
5.25
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80
80
5.50
100
100