6N138 Fairchild Semiconductor, 6N138 Datasheet - Page 6

• Manufacturer Part Number: 6N138
• Description: High Speed Optocouplers DIP-8 HG PHOTO DARL
• Manufacturer: Fairchild Semiconductor

Specifications of 6N138

• Input Type: DC
• Isolation Voltage: 2500 Vrms
• Maximum Fall Time: 10 us
• Maximum Rise Time: 35 us
• Output Device: Darlington With Base
• Configuration: 1 Channel
• Current Transfer Ratio: 1300 %(Typ)
• 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: PDIP Black
• No. Of Channels: 1
• Optocoupler Output Type: Photodarlington
• Input Current: 1.6mA
• Output Voltage: 7V
• Opto Case Style: DIP
• No. Of Pins: 8
• Input Current Max: 1.6mA
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 6N138_NL

©2005 Fairchild Semiconductor Corporation
6N138, 5N139, NCPL2730, HCPL2731 Rev. 1.0.5
Electrical Characteristics
Current Limiting Resistor Calculations
R
R
R
Where:
V
V
V
V
V
I
V
I
I
F
L
2
OL1
OH1
OLX
DD1
DD2
DF
1
1
2
= Diode Forward Current
= Load Current Through
= Input Current of Output Gate
= V
Resistor R2
(Non-Invert) = V
(Invert) = V
= Diode Forward Voltage
IN
= Logic “0” Voltage of Driver
= Saturation Voltage of
= Input Supply Voltage
= Output Supply Voltage
= Logic “1” Voltage of Driver
Fig. 2 Non-Inverting Logic Interface
DD2
Output Transistor
= V
V
R
OLX
DD1
1
DD1
I
L
(@ I
1
2
3
4
– V
DD1
I
F
OH1
L
– V
– I
I
– V
2
F
DF
)
DF
– V
OL1
8
7
6
5
(Continued) T
74LSXX NON-INV. 2000
74HXX NON-INV. 2000
@ 10V
74SXX NON-INV. 2000
R
CMOS
CMOS
74LXX
V
@ 5V
74XX
2
DD2
INPUT
NON-INV. 2000
NON-INV. 5100
NON-INV. 2200
NON-INV. 1800
A
OUT
= 25°C unless otherwise specified)
INV.
INV.
INV.
INV.
INV.
INV.
INV.
6
R1 (V)
4700
IN
510
180
100
360
180
180
Fig. 1 Resistor Values for Logic Interface
CMOS
R2 (V)
1000
@ 5V
R
1
Fig. 3 Inverting Logic Interface
CMOS
@ 10V
R2 (V)
2200
1
2
3
4
R2 (V)
74XX
750
74LXX
R2 (V)
OUTPUT
1000
8
7
6
5
74SXX
R2 (V)
1000
R
V
2
DD2
74LSXX
R2 (V)
1000
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OUT
74HXX
R2 (V)
560