
NEC's HIGH SPEED (200 kbps)
ANALOG OUTPUT TYPE
5 PIN SOP OPTOCOUPLER
PS8703
FEATURES
WIDE OPERATING V
CC
 RANGE:
V
CC
 = -0.5 to +15 V
HIGH ISOLATION VOLTAGE:
BV: 2500 V
r.m.s.
HIGH-SPEED RESPONSE:
t
PHL
, t
PLH
 = 5 
μ
s MAX (@R
L
 = 4.1 k
)
AVAILABLE IN TAPE AND REEL:
PS8703-F3, F4
DESCRIPTION
NEC's PS8703 is an optically coupled isolator containing a
GaAIAs LED on the  input side and a PIN photodiode and a high
speed amplifier transistor on the output side. This is a plastic
SOP (Small Outline Package) type for high density applica-
tions.
APPLICATIONS
COMPUTERS AND PERIPHERALS
GENERAL PURPOSE INVERTER
SUBSTITUTIONS FOR RELAY
AND PULSE TRANSFORMERS
POWER SUPPLY
5
4
3
Pin Connection (Top View)
ELECTRICAL CHARACTERISTICS 
(T
A 
= 25
°
C)
SYMBOLS
V
F
I
R
C
t
I
OH(1)
PARAMETERS
UNITS
V
μ
A
pF
nA
MIN
TYP
1.2
MAX
1.5
10
Forward Voltage, I
F
 = 16 mA
Reverse Current, V
R
 = 3 V
Terminal Capacitance, V = 0 V, f = 1.0 MHz
High Level Output Current
I
F 
= 0 mA, V
CC 
= V
O
 = 5.5 V
High Level Output Current
I
F 
= 0 mA, V
CC 
= V
O
 = 15 V
Low Level Output Voltage
I
F 
= 16 mA, V
CC 
= 4.5 V, I
OL
 = 1.1 mA
High Level Supply Current
I
F 
= 0 mA, V
O
 = Open, V
CC 
= 15 V
Low Level Supply Current
I
F 
= 16 mA, V
O
 = Open, V
CC 
= 15 V
30
7
500
I
OH(2)
μ
A
100
V
OL
V
0.1
0.4
I
CCH
μ
A
0.01
1
I
CCL
μ
A
150
800
PART NUMBER
PS8703
D
D
CTR
R
I-O
C
I-O
t
PHL
Current Transfer Ratio (I
C
/I
F
)
1
, I
F 
= 16 mA, V
CC 
= 4.5 V, V
O
 = 0.4 V
Isolation Resistance, V 
IN-OUT 
= 1kV
DC
, RH = 40 to 60 %
Isolation Capacitance, V = 0, f = 1.0 MHz
Propagation Delay Time, (High 
→
Low)
2
I
F 
= 16 mA, V
CC 
= 5 V, R
L
 = 4.1 k 
, 
C
L
 = 15 pF
Propagation Delay Time, (Low 
→
 High)
2
I
F
= 16 mA, V
CC 
= 5 V, R
L
 = 4.1 k 
, 
C
L
 = 15 pF
Propagation Delay Time, (High 
→
Low)
2
I
F
= 16 mA, V
CC 
= 5 V, R
L
 = 20 k
, 
C
L
 = 15 pF
Propagation Delay Time, (Low 
→
 High)
2
I
F
= 16 mA, V
CC 
= 5 V, R
L
 = 20 k
, 
C
L
 = 15 pF
%
10
10
11
23
30
pF
μ
s
0.4
1
5
t
PLH
μ
s
2
5
t
PHL
μ
s
1
15
t
PLH
μ
s
7
15
C
PLEASE SEE NOTES ON NEXT PAGE.
California Eastern Laboratories