6N138 Fairchild Optoelectronics Group, 6N138 Datasheet - Page 7

• Manufacturer Part Number: 6N138
• Description: OPTOCOUPLER DARL SPLIT 8-DIP
• Manufacturer: Fairchild Optoelectronics Group

Specifications of 6N138

• Voltage - Isolation: 2500Vrms
• Number Of Channels: 1, Unidirectional
• Current - Output / Channel: 60mA
• Propagation Delay High - Low @ If: 1.5µs @ 1.6mA
• Current - Dc Forward (if): 20mA
• Input Type: DC
• Output Type: Open Collector
• Mounting Type: Through Hole
• Package / Case: 8-DIP
• Voltage - Output: 7V
• Current Transfer Ratio (min): 300% @ 1.6mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Vce Saturation (max): -
• Current Transfer Ratio (max): -
• Other names: 6N138QT

©2005 Fairchild Semiconductor Corporation
6N138, 5N139, NCPL2730, HCPL2731 Rev. 1.0.5
Typical Performance Curves
0.001
0.01
100
100
0.1
10
10
Fig. 4 LED Forward Current vs. Forward Voltage
1
1
6
5
4
3
2
1
0
0.1
0.01
1.0
Fig. 6 Non-saturated Rise and Fall Times vs.
T
A
T
Fig. 8 Propagation Delay To Logic Low
A
= 70˚C
Load Resistance (6N138 / 6N139 Only)
RBE - BASE-EMITTER RESISTANCE - M
= 25˚C
1.1
T
(HCPL2730 / HCPL2731 Only)
A
vs. Base-Emitter Resistance
= 85˚C
R
L
T
FORWARD VOLTAGE - V
I
F
- LOAD RESISTANCE (k )
A
ADJUSTED FOR V
= 0˚C
T
1.2
0.1
A
= 25˚C
1.3
1
t
t r
I
R
Normalized to R
f
F
T
L
A
= 1.6 mA, V
= 2.2 K, T
= -40˚C
OL
= 2 V
1.4
1
A
F
CC
= 25 C
(V)
BE
= 5 V
= None
1.5
1.6
10
10
7
1600
1200
800
400
1.5
1.4
1.3
1.2
1.1
10
Fig. 9 Current Transfer Ratio vs. Forward Current
0
0.01
1
0.1
Load Resistance (HCPL2730 / HCPL2731 Only)
V
V
Fig. 5 LED Forward Voltage vs. Temperature
Fig. 7 Non-saturated Rise and Fall Times vs.
CC
O
T
A
= 0.4V
-40
= 25˚C
= 5V
T
A
= 85˚C
t
r
-20
I
F
R
t
(6N138 / 6N139 Only)
f
0.1
- FORWARD CURRENT - mA
L
TEMPERATURE - T
- LOAD RESISTANCE (k )
T
A
0
= -40˚C
T
A
20
= 0˚C
1
T
A
= 25˚C
1
T
40
A
= 70˚C
A
I
F
(˚C)
= 1.6 mA
60
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10
80
100
10