L IT E - O N T E CH NO L O G Y CO RP O RAT IO N
Property of Lite-on Only
6N138, 6N139
Single Channel, High Speed Optocouplers
Dec.2008
Description
These high gain series couplers use a light
emitter diode and an integrated high gain
photo detector to provide extremely high
current transfer ratio between input and
output. Separate pins for the photodiode and
output stage result in TTL compatible
saturation voltage and high speed operation.
Where desired the Vcc and Vo terminals
may be tied together to achieve conventional
photo darlington operation. A base access
terminal allows a gain bandwidth adjustment
to be made.
Features
•
•
•
•
High current transfer ratio – 2000%
typical.
Low input current requirements – 0.5mA
High output current – 60mA
CTR guarantee – 0~70℃.
Instantaneous common mode rejection
10KV/μsec
TTL compatible output – 0.1V V
OL
typical
UL, CSA approved.
Functional Diagram
NC
ANODE
V
CC
•
•
•
V
B
Cathode
V
O
NC
6N138 / 6N139
GND
APPLICATIONS
Truth Table (Positive Logic)
LED
OUT
ON
L
OFF
H
A 0.1µF bypass Capacitor must
be connected between Pin8 and
Pin5
•
•
•
•
•
•
Digital logic ground isolation
Low input current line receiver
Telephone ring detector
EIA-RS-232C line receiver
Current loop receiver
High common mode noise line
receiver
Part No. : 6N138 / 6N139 series
BNS-OD-C131/A4
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L IT E - O N T E CH NO L O G Y CO RP O RAT IO N
Property of Lite-on Only
Ordering Information
Minimum CMR
Part
Option
dV/dt
(V/µs)
V
CM
(V)
CTR
Remarks
Single Channel, DIP-8
6N138
M
S
1,000
10
300
400
Single Channel, Wide Lead Spacing
Single Channel, SMD-8
Single Channel, DIP-8
6N139
M
S
Single Channel, Wide Lead Spacing
Single Channel, SMD-8
Part No. : 6N138 / 6N139 series
BNS-OD-C131/A4
Page : 2
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L IT E - O N T E CH NO L O G Y CO RP O RAT IO N
Property of Lite-on Only
OUTLINE DIMENSIONS
8-pin DIP Package (6N138 / 6N139)
*1. Year date code.
*2. 2-digit work week.
*3. Factory identification mark
(Z : Taiwan, Y : Thailand).
Dimensions are in Millimeters and (Inches).
Part No. : 6N138 / 6N139 series
BNS-OD-C131/A4
Page : 3
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L IT E - O N T E CH NO L O G Y CO RP O RAT IO N
Property of Lite-on Only
OUTLINE DIMENSIONS
8-pin DIP Wide Lead Spacing Package (6N138M / 6N139M)
*1. Year date code.
*2. 2-digit work week.
*3. Factory identification mark
(Z : Taiwan, Y : Thailand).
Dimensions are in Millimeters and (Inches).
Part No. : 6N138 / 6N139 series
BNS-OD-C131/A4
Page : 4
of 15
L IT E - O N T E CH NO L O G Y CO RP O RAT IO N
Property of Lite-on Only
OUTLINE DIMENSIONS
8-pin DIP Surface Mount Package (6N138S / 6N139S)
*1. Year date code.
*2. 2-digit work week.
*3. Factory identification mark
(Z : Taiwan, Y : Thailand).
Dimensions are in Millimeters and (Inches).
Part No. : 6N138 / 6N139 series
Page : 5
of 15
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