1
Motorola Optoelectronics Device Data
The 4N38 and 4N38A(1) devices consist of a gallium arsenide infrared
emitting diode optically coupled to a monolithic silicon phototransistor detector.
•Guaranteed 80 Volt Collector–to–Emitter Breakdown ((BR)CEO)) Minimum
•Meets or Exceeds All JEDEC Registered Specifications
•
To order devices that are tested and marked per VDE 0884 requirements, the
suffix ”V” must be included at end of part number. VDE 0884 is a test option.
Applications
•General Purpose Switching Circuits
•Interfacing and coupling systems of different potentials and impedances
•Monitor and Detection Circuits
MAXIMUM RATINGS (TA = 25°C unless otherwise noted)
Rating Symbol Value Unit
INPUT LED
Reverse Voltage VR3 Volts
Forward Current — Continuous IF80 mA
Forward Current — Pk (PW = 300 µs, 2% duty cycle) IF(pk) 3 A
LED Power Dissipation @ TA = 25°C
with Negligible Power in Output Detector
Derate above 25°C
PD150
1.41
mW
mW/°C
OUTPUT TRANSISTOR
Collector–Emitter Voltage VCEO 80 Volts
Emitter–Collector Voltage VECO 7 Volts
Collector–Base Voltage VCBO 80 Volts
Collector Current — Continuous IC100 mA
Detector Power Dissipation @ TA = 25°C
with Negligible Power in Input LED
Derate above 25°C
PD150
1.76
mW
mW/°C
TOTAL DEVICE
Isolation Surge Voltage(2)
(Peak ac Voltage, 60 Hz, 1 sec Duration) VISO 7500 Vac(pk)
Total Device Power Dissipation @ TA = 25°C
Derate above 25°CPD250
2.94 mW
mW/°C
Ambient Operating Temperature Range(3) TA–55 to +100 °C
Storage Temperature Range(3) Tstg –55 to +150 °C
Soldering Temperature (10 sec, 1/16″ from case) TL260 °C
1. 4N38 does not require UL approval; 4N38A does. Otherwise both parts are identical. Both parts
1. built by Motorola have UL approval.
2. Isolation surge voltage is an internal device dielectric breakdown rating.
1. For this test, Pins 1 and 2 are common, and Pins 4, 5 and 6 are common.
3. Refer to Quality and Reliability Section in Opto Data Book for information on test conditions.
Preferred devices are Motorola recommended choices for future use and best overall value.
GlobalOptoisolator is a trademark of Motorola, Inc.
Order this document
by 4N38/D
SEMICONDUCTOR TECHNICAL DATA
GlobalOptoisolator
Motorola, Inc. 1995
*Motorola Preferred Device
SCHEMATIC
[CTR = 20% Min]
STANDARD THRU HOLE
CASE 730A–04
STYLE 1 PLASTIC
PIN 1. LED ANODE
2. LED CATHODE
3. N.C.
4. EMITTER
5. COLLECTOR
6. BASE
1
2
3
6
5
4
61
REV 2
2 Motorola Optoelectronics Device Data
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)(1)
Characteristic Symbol Min Typ Max Unit
INPUT LED
Forward Voltage (IF = 10 mA) TA = 25°C
TA = –55°C
TA = 100°C
VF—
—
—
1.15
1.3
1.05
1.5
—
—
Volts
Reverse Leakage Current (VR = 3 V) IR— — 100 µA
Capacitance (V = 0 V, f = 1 MHz) CJ— 18 — pF
OUTPUT TRANSISTOR
Collector–Emitter Dark Current (VCE = 60 V, TA = 25°C)
(VCE = 60 V, TA = 100°C) ICEO —
—20
650
—nA
µA
Collector–Base Dark Current (VCB = 60 V) ICBO — 2 20 nA
Collector–Emitter Breakdown Voltage (IC = 1 mA) V(BR)CEO 80 120 — Volts
Collector–Base Breakdown Voltage (IC = 1 µA) V(BR)CBO 80 120 — Volts
Emitter–Collector Breakdown Voltage (IE = 100 µA) V(BR)ECO 7 7.8 — Volts
DC Current Gain (IC = 2 mA, VCE = 5 V) hFE — 400 — —
Collector–Emitter Capacitance (f = 1 MHz, VCE = 0) CCE — 8 — pF
Collector–Base Capacitance (f = 1 MHz, VCB = 0) CCB — 21 — pF
Emitter–Base Capacitance ( f = 1 MHz, VEB = 0) CEB — 8 — pF
COUPLED
Output Collector Current (IF = 20 mA, VCE = 1 V) IC (CTR)(2) 4 (20) 7 (35) — mA (%)
Collector–Emitter Saturation Voltage (IC = 4 mA, IF = 20 mA) VCE(sat) — — 1 Volts
Turn–On Time (IC = 2 mA, VCC = 10 V, RL = 100 Ω)(3) ton — 5 — µs
Turn–Off Time (IC = 2 mA, VCC = 10 V, RL = 100 Ω)(3) toff — 4 — µs
Rise Time (IC = 2 mA, VCC = 10 V, RL = 100 Ω)(3) tr— 2 — µs
Fall Time (IC = 2 mA, VCC = 10 V, RL = 100 Ω)(3) tf— 3 — µs
Isolation Voltage (f = 60 Hz, t = 1 sec)(4) VISO 7500 — — Vac(pk)
Isolation Resistance (V = 500 V)(4) RISO 1011 — — Ω
Isolation Capacitance (V = 0 V, f = 1 MHz)(4) CISO — 0.2 — pF
1. Always design to the specified minimum/maximum electrical limits (where applicable).
2. Current Transfer Ratio (CTR) = IC/IF x 100%.
3. For test circuit setup and waveforms, refer to Figure 11.
4. For this test, Pins 1 and 2 are common, and Pins 4, 5 and 6 are common.
IC, OUTPUT COLLECTOR CURRENT (NORMALIZED)
TYPICAL CHARACTERISTICS
Figure 1. LED Forward Voltage versus Forward Current
2
1.8
1.6
1.4
1.2
11 10 100 1000
10
1
0.1
0.01 0.5 1
IF, LED FORWARD CURRENT (mA) 2 5 10 20 50
IF, LED INPUT CURRENT (mA)
VF, FORWARD VOLTAGE (VOLTS)
25
°
C
100
°
C
TA = –55
°
C
Figure 2. Output Current versus Input Current
PULSE ONLY
PULSE OR DC
0.20.1 100
NORMALIZED TO:
IF = 10 mA
3
Motorola Optoelectronics Device Data
t , TURN–OFF TIME ( s)
off
µ
t , TURN–ON TIME ( s)
on
µ
10
2
0
Figure 3. Collector Current versus
Collector–Emitter Voltage
0
VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS)
4
6
8
10
12
14
1 2 3 4 5 6 7 8 9 10
5 mA
2 mA
1 mA
7
5
2
1
0.7
0.5
0.2
0.1 –60
Figure 4. Output Current versus
Ambient Temperature
–40 –20
C, OUTPUT COLLECTOR CURRENT (NORMALIZED)
0 20 40 60 80 100
TA, AMBIENT TEMPERATURE (
°
C)
I
0
Figure 5. Dark Current versus
Ambient Temperature
10–1
TA, AMBIENT TEMPERATURE (
°
C)
I
102
103
20 40 60 80 100
10 V
CEO, COLLECTOR–EMITTER DARK CURRENT (NORMALIZED)
101
100
VCE = 70 V
t, TIME ( s)
100
50
20
10
5
2
10.1 0.2 0.5 1 2 5 10 20 50 100
IF, LED INPUT CURRENT (mA)
µ
tr
tr
tf
Figure 6. Rise and Fall Times
(Typical Values)
, COLLECTOR CURRENT (mA)IC
100
50
20
5
2
1
0.1 0.2 0.5 1 2 5 10 20 50 100
IF, LED INPUT CURRENT (mA)
100
Figure 7. Turn–On Switching Times
(Typical Values)
10
10
100
50
20
5
2
10.1 0.2 0.5 1 2 5 10 20 50 100
IF, LED INPUT CURRENT (mA)
Figure 8. Turn–Off Switching Times
(Typical Values)
10
RL = 1000
100
30 V
NORMALIZED TO:
VCE = 10 V
TA = 25
°
C
tf
RL = 1000
NORMALIZED TO TA = 25
°
C
IF = 10 mA
VCC = 10 V
VCC = 10 V VCC = 10 V
RL = 1000{
RL = 100 {
4 Motorola Optoelectronics Device Data
‘
C, CAPACITANCE (pF)
20
18
16
14
12
10
8
6
4
2
0
CCE
f = 1 MHz
0.5 0.1 0.2 0.5 1 2 5 10 20 50
V, VOLTAGE (VOLTS)
CLED
CEB
TEST CIRCUIT
VCC = 10 V
INPUT
RL = 100
Ω
OUTPUT
WAVEFORMS
10%
90%
ton
INPUT PULSE
OUTPUT PULSE
tf
toff
tr
INPUT CURRENT ADJUSTED
TO ACHIEVE IC = 2 mA.
IC
7
µ
A
6
µ
A
5
µ
A
4
µ
A
3
µ
A
2
µ
A
1
µ
A
4
3
2
1
0 2 4 6 8 10 12 14 16 18 20
VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS)
I ,
C
Figure 9. DC Current Gain (Detector Only)
TYPICAL COLLECTOR CURRENT (mA)
IB = 8
µ
A
IF = 0
CCB
Figure 10. Capacitances versus Voltage
Figure 11. Switching Time Test Circuit and Waveforms
5
Motorola Optoelectronics Device Data
PACKAGE DIMENSIONS
CASE 730A–04
ISSUE G
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
STYLE 1:
PIN 1. ANODE
2. CATHODE
3. NC
4. EMITTER
5. COLLECTOR
6. BASE
6 4
1 3
–A–
–B–
SEATING
PLANE
–T–
4 PLF
K
C
N
G
6 PLD
6 PLE
M
A
M
0.13 (0.005) B M
T
L
M
6 PLJ
M
B
M
0.13 (0.005) A M
T
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A0.320 0.350 8.13 8.89
B0.240 0.260 6.10 6.60
C0.115 0.200 2.93 5.08
D0.016 0.020 0.41 0.50
E0.040 0.070 1.02 1.77
F0.010 0.014 0.25 0.36
G0.100 BSC 2.54 BSC
J0.008 0.012 0.21 0.30
K0.100 0.150 2.54 3.81
L0.300 BSC 7.62 BSC
M0 15 0 15
N0.015 0.100 0.38 2.54
_ _ _ _
CASE 730C–04
ISSUE D
–A–
–B–
S
SEATING
PLANE
–T–
J
K
L
6 PL
M
B
M
0.13 (0.005) A M
T
C
D6 PL
M
A
M
0.13 (0.005) B M
T
H
G
E6 PL
F4 PL
31
46
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A0.320 0.350 8.13 8.89
B0.240 0.260 6.10 6.60
C0.115 0.200 2.93 5.08
D0.016 0.020 0.41 0.50
E0.040 0.070 1.02 1.77
F0.010 0.014 0.25 0.36
G0.100 BSC 2.54 BSC
H0.020 0.025 0.51 0.63
J0.008 0.012 0.20 0.30
K0.006 0.035 0.16 0.88
L0.320 BSC 8.13 BSC
S0.332 0.390 8.43 9.90
*Consult factory for leadform
option availability
6 Motorola Optoelectronics Device Data
*Consult factory for leadform
option availability
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
CASE 730D–05
ISSUE D
6 4
1 3
–A–
–B–
N
C
K
G
F4 PL
SEATING
D6 PL
E6 PL
PLANE
–T–
M
A
M
0.13 (0.005) B M
T
L
J
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A0.320 0.350 8.13 8.89
B0.240 0.260 6.10 6.60
C0.115 0.200 2.93 5.08
D0.016 0.020 0.41 0.50
E0.040 0.070 1.02 1.77
F0.010 0.014 0.25 0.36
G0.100 BSC 2.54 BSC
J0.008 0.012 0.21 0.30
K0.100 0.150 2.54 3.81
L0.400 0.425 10.16 10.80
N0.015 0.040 0.38 1.02
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the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit,
and specifically disclaims any and all liability , including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different
applications. All operating parameters, including “T ypicals” must be validated for each customer application by customer’s technical experts. Motorola does
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associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part.
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4N38/D
*4N38/D*
◊
