6N138SD Fairchild Semiconductor, 6N138SD Datasheet - Page 8

• Manufacturer Part Number: 6N138SD
• Description: High Speed Optocouplers Hi Gain Optocoupler LC Darlington 1Ch
• Manufacturer: Fairchild Semiconductor

Specifications of 6N138SD

• Input Type: DC
• Isolation Voltage: 2500 Vrms
• Maximum Fall Time: 10 us
• Maximum Rise Time: 35 us
• Output Device: Photodarlington
• Configuration: 1 Channel
• Current Transfer Ratio: 1300 %
• Maximum Baud Rate: 0.1 MBps
• Maximum Forward Diode Voltage: 1.7 V
• Maximum Reverse Diode Voltage: 5 V
• Maximum Input Diode Current: 20 mA
• Maximum Power Dissipation: 100 mW
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Package / Case: SMD-8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

©2005 Fairchild Semiconductor Corporation
6N138, 5N139, NCPL2730, HCPL2731 Rev. 1.0.5
Typical Performance Curves
Fig. 10 Current Transfer Ratio vs. Base-Emitter Resistance
Fig. 14 Output Current vs. Input Diode Forward Current
100
1600
1400
1200
1000
60
50
40
30
20
10
10
800
600
400
200
0
1
0
0
0.01
0
0
1
T
V
V
V
T
A
Fig. 12 Output Current vs Output Voltage
CC
O
CC
A
= 85˚C
= 0.4V
= 25˚C
I F - INPUT DIODE FORWARD CURRENT -mA
= 5V
= 5V
R
BE
V
T
(6N138 / 6N139 Only)
O
(6N138 / 6N139 Only)
(6N138 / 6N139 Only)
A
0.1
- BASE RESISTANCE (k
- OUTPUT VOLTAGE (V)
= -40˚C
T
T
A
10
A
= 0˚C
T
= 25˚C
A
= 70˚C
5mA
1
4.5mA
1
100
4mA
3.5mA
3mA
2.5mA
1.5mA
2mA
1mA
I
V
V
(Continued)
F
CC
O
= 1.6mA
= 0.4 V
= 5 V
10
1000
2
8
5000
4000
3000
2000
1000
Fig. 11 Current Transfer Ratio vs. Forward Current
120
100
100
0.1
10
80
60
40
20
0
1
0.0
0.1
0.1
Fig. 13 Output Current vs Output Voltage
T A = 25˚C
V CC = 5.0V
T
V
V O = 0.4V
A
I F = 4.0mA
I F = 3.5mA
V
V
CC
= 85˚C
CC
O
0.2
I F - INPUT DIODE FORWARD CURRENT -mA
= 0.4 V
= 5.0V
= 5 V
T
(HCPL2730 / HCPL2731 Only)
A
(HCPL2730 / HCPL2731 Only)
0.4
= -40˚C
(HCPL2730 / HCPL2731 Only)
Input Diode Forward Current
I
F
Fig. 15 Output Current vs
V
- FORWARD CURRENT -mA
O
0.6
I F = 4.5mA
- OUTPUT VOLTAGE (V)
1
1
T
A
0.8
= 25˚C
1.0
T
T
T
T
T
I F = 5.0mA
1.2
A
A
A
A
A
= 70˚C
= 85˚C
= 25˚C
= -40˚C
= 0˚C
10
10
1.4
I F = 3.0mA
I F = 2.5mA
I F = 2.0mA
I F = 1.5mA
I F = 1.0mA
I F = 0.5mA
1.6
1.8
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100
100
2.0