PHOTOCOUPLER
PS9121
HIGH CMR, 15 Mbps OPEN COLLECTOR OUTPUT TYPE
−NEPOC
5-PIN SOP (SO-5) 3.3 V PHOTOCOUPLER
Series−
DESCRIPTION
The PS9121 is an optically coupled high-speed, active low type isolator containing a GaAlAs LED on the input side
and a photodiode and a signal processing circuit on the output side on one chip.
The PS9121 is designed specifically for high common mode transient immunity (CMR) and low pulse width
distortion. The PS9121 is suitable for high density application.
FEATURES
• Low power consumption (V
CC
= 3.3 V)
• Pulse width distortion (⏐t
PHL
−
t
PLH
⏐
= 35 ns MAX.)
• High common mode transient immunity (CM
H
, CM
L
=
±15
kV/
μ
s MIN.)
• Small package (SO-5)
• High-speed (15 Mbps)
• High isolation voltage (BV = 3 750 Vr.m.s.)
• Open collector output
• Ordering number of taping product: PS9121-F3, F4: 2 500 pcs/reel
• Pb-Free product
• Safety standards
• UL approved: File No. E72422
• DIN EN60747-5-2 (VDE0884 Part2) approved No.40008902 (option)
• CSA approved: File No. 2115283 (CA 101391)
1
2
1. Anode
2. Cathode
3. GND
4. V
O
5. V
CC
PIN CONNECTION
(Top View)
5
4
3
TRUTH TABLE
LED
ON
Output
L
H
APPLICATIONS
• Measurement equipment
• PDP
• FA Network
OFF
Document No. PN10502EJ05V0DS (5th edition)
Date Published August 2008 NS
The mark <R> shows major revised points.
The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field.
2004, 2008
PS9121
PACKAGE DIMENSIONS (UNIT: mm)
3.4
5
+0.3
–0.1
4
3
7.0±0.3
1
2.6±0.2
2
0.15
+0.10
–0.05
4.4
0.1±0.1
1.27
0.4
+0.10
–0.05
0.25 M
0.5±0.3
<R>
MARKING EXAMPLE
SnBi
PLATING
Ni/Pd/Au
PLATING
9121
N831
No. 1 pin Mark
Initial of NEC
(Engraved mark)
N
Type Number
Assembly Lot
*1
No. 1 pin Mark
Initial of NEC
(Engraved mark)
N
9121
N831
Type Number
Assembly Lot
*1
N
8 31
N
8 31
Week Assembled
Year Assembled
(Last 1 Digit)
Rank Code
Week Assembled
Year Assembled
(Last 1 Digit)
Rank Code
*1
Bar : Pb-Free
*1
Bar : Pb-Free
2
Data Sheet PN10502EJ05V0DS
PS9121
<R>
ORDERING INFORMATION
Part Number
PS9121
PS9121-F3
PS9121-F4
PS9121-V
PS9121-V-F3
PS9121-V-F4
PS9121
PS9121-F3
PS9121-F4
PS9121-V
PS9121-V-F3
PS9121-V-F4
Order Number
PS9121-A
PS9121-F3-A
PS9121-F4-A
PS9121-V-A
PS9121-V-F3-A
PS9121-V-F4-A
PS9121-AX
PS9121-F3-AX
PS9121-F4-AX
PS9121-V-AX
PS9121-V-F3-AX
PS9121-V-F4-AX
20 pcs (Tape 20 pcs cut)
Embossed Tape 2 500 pcs/reel
DIN EN60747-5-2
(VDE0884 Part2)
approved (Option)
Pb-Free
(Ni/Pd/Au)
20 pcs (Tape 20 pcs cut)
Embossed Tape 2 500 pcs/reel
20 pcs (Tape 20 pcs cut)
Embossed Tape 2 500 pcs/reel
DIN EN60747-5-2
(VDE0884 Part2)
approved (Option)
Standard products
(UL approved)
Solder Plating
Specification
Pb-Free
(SnBi)
Packing Style
20 pcs (Tape 20 pcs cut)
Embossed Tape 2 500 pcs/reel
Safety Standards
Approval
Standard products
(UL approved)
Application
*1
Part Number
PS9121
*1
For the application of the Safety Standard, following part number should be used.
Data Sheet PN10502EJ05V0DS
3
PS9121
ABSOLUTE MAXIMUM RATINGS (T
A
= 25°C, unless otherwise specified)
Parameter
Diode
Forward Current
*1
Symbol
I
F
V
R
V
CC
V
O
I
O
*2
Ratings
30
5
7
7
25
40
3 750
−40
to +85
−55
to +125
Unit
mA
V
V
V
mA
mW
Vr.m.s.
°C
°C
Reverse Voltage
Detector
Supply Voltage
Output Voltage
Output Current
Power Dissipation
P
C
BV
T
A
T
stg
Isolation Voltage
*3
Operating Ambient Temperature
Storage Temperature
*1
Reduced to 0.3 mA/°C at T
A
= 25°C or more.
*2
Applies to output pin V
O
(collector pin). Reduced to 1.5 mW/°C at T
A
= 65°C or more.
*3
AC voltage for 1 minute at T
A
= 25°C, RH = 60% between input and output.
Pins 1-2 shorted together, 3-5 shorted together.
RECOMMENDED OPERATING CONDITIONS
Parameter
Low Level Input Voltage
High Level Input Current
Supply Voltage
TTL (R
L
= 1 kΩ, loads)
Pull-up Resistor
Symbol
V
FL
I
FH
V
CC
N
R
L
330
MIN.
0
6.3
2.7
10
3.3
TYP.
MAX.
0.8
12.5
3.6
5
4k
Ω
Unit
V
mA
V
4
Data Sheet PN10502EJ05V0DS
PS9121
ELECTRICAL CHARACTERISTICS (T
A
=
−40
to +85°C, unless otherwise specified)
Parameter
Diode
Forward Voltage
Reverse Current
Terminal Capacitance
Detector High Level Output Current
Symbol
V
F
I
R
C
t
I
OH
Conditions
I
F
= 10 mA, T
A
= 25°C
V
R
= 3 V, T
A
= 25°C
V = 0 V, f = 1 MHz, T
A
= 25°C
V
CC
= V
O
= 3.3 V, V
F
= 0.8 V
V
CC
= V
O
= 5.5 V, V
F
= 0.8 V
Low Level Output Voltage
*3
MIN.
1.4
TYP.
*1
MAX.
1.8
10
Unit
V
1.65
μ
A
pF
30
1
1
*2
80
μ
A
V
OL
V
CC
= 3.3 V, I
F
= 5 mA, I
OL
= 13 mA
V
CC
= 5.5 V, I
F
= 5 mA, I
OL
= 13 mA
0.2
0.2
4
5
*2
*2
0.6
V
High Level Supply Current
I
CCH
V
CC
= 3.3 V, I
F
= 0 mA, V
O
= Open
V
CC
= 5.5 V, I
F
= 0 mA, V
O
= Open
7
mA
Low Level Supply Current
I
CCL
V
CC
= 3.3 V, I
F
= 10 mA, V
O
= Open
V
CC
= 5.5 V, I
F
= 10 mA, V
O
= Open
7
9
*2
10
Coupled Threshold Input Current
(H
→
L)
Isolation Resistance
I
FHL
V
CC
= 3.3 V, V
O
= 0.8 V, R
L
= 350
Ω
V
CC
= 5 V, V
O
= 0.8 V, R
L
= 350
Ω
2.5
2.5
10
11
*2
5
R
I-O
V
I-O
= 1 kV
DC
, RH = 40 to 60%,
T
A
= 25°C
Ω
Isolation Capacitance
Propagation Delay Time
(H
→
L)
*4
C
I-O
t
PHL
V = 0 V, f = 1 MHz, T
A
= 25°C
T
A
= 25°C
V
CC
= 3.3 V, R
L
= 350
Ω,
I
F
= 7.5 mA
V
CC
= 5 V, R
L
= 350
Ω,
I
F
= 7.5 mA
0.6
40
75
100
37
*2
pF
ns
Propagation Delay Time
(L
→
H)
*4
t
PLH
T
A
= 25°C
V
CC
= 3.3 V, R
L
= 350
Ω,
I
F
= 7.5 mA
V
CC
= 5 V, R
L
= 350
Ω,
I
F
= 7.5 mA
45
75
100
40
*2
Rise Time
t
r
V
CC
= 3.3 V, R
L
= 350
Ω,
I
F
= 7.5 mA
V
CC
= 5 V, R
L
= 350
Ω,
I
F
= 7.5 mA
20
20
*2
Fall Time
t
f
V
CC
= 3.3 V, R
L
= 350
Ω,
I
F
= 7.5 mA
V
CC
= 5 V, R
L
= 350
Ω,
I
F
= 7.5 mA
5
5
*2
Pulse Width Distortion
(PWD)
*4
⏐t
PHL-
t
PLH
⏐
V
CC
= 3.3 V, R
L
= 350
Ω,
I
F
= 7.5 mA
V
CC
= 5 V, R
L
= 350
Ω,
I
F
= 7.5 mA
t
PSK
CM
H
V
CC
= 3.3 V, R
L
= 350
Ω,
I
F
= 7.5 mA
V
CC
= 3.3 V, R
L
= 350
Ω,
T
A
= 25°C,
I
F
= 0 mA, V
O
>
2 V, V
CM
= 1 kV
V
CC
= 5 V, R
L
= 350
Ω,
T
A
= 25°C,
I
F
= 0 mA, V
O
>
2 V, V
CM
= 1 kV
V
CC
= 3.3 V, R
L
= 350
Ω,
T
A
= 25°C,
I
F
= 7.5 mA, V
O
<
0.8 V, V
CM
= 1 kV
V
CC
= 5 V, R
L
= 350
Ω,
T
A
= 25°C,
I
F
= 7.5 mA, V
O
<
0.8 V, V
CM
= 1 kV
15
5
3
*2
35
Propagation Delay Skew
Common Mode
Transient Immunity at High
Level Output
*5
40
20
*2
kV/
μ
s
20
Common Mode
Transient Immunity at Low
Level Output
*5
CM
L
15
20
*2
20
Data Sheet PN10502EJ05V0DS
5
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