3/11/99
ISP814X, ISP824X, ISP844X
ISP814, ISP824, ISP844
0.26
20.32
19.32
3.35
4.0
3.0
0.5 13°
Max
7.0
6.0
2.54
1.2
0.5
3.0
1.2
3.0
3.35
7.0
6.0
0.5
0.5
7.62
0.26
13°
Max
2.54
ISP814X
ISP814
ISP824X
ISP824
3.0
10.16
9.16 4.0
3.0
3.35
0.5
7.0
6.0
7.62
1.2
13°
Max
0.5 0.26
2.54
ISP844X
ISP844
Dimensions in mm
HIGH DENSITY A.C. INPUT
PHOTOTRANSISTOR OPTICALLY
COUPLED ISOLATORS
1
2
3
7
8
16
15
10
4 13
11
12
14
9
6
5
4
8
7
6
2
1
35
4
3
1
2
APPROVALS
lUL recognised, File No. E91231
'X' SPECIFICATION APPROVALS
lVDE 0884 approval pending
lISP814X - Certified to EN60950 by the
following Test Bodies :-
Nemko - Certificate No. P96102022
Fimko - Registration No. 192313-01..25
Semko - Reference No. 9639052 01
Demko - Reference No. 305969
ISP824X, ISP844X - EN60950 pending
DESCRIPTION
The ISP814, ISP824, ISP844 series of optically
coupled isolators consist of two infrared light
emitting diodes connected in inverse parallel
and NPN silicon photo transistors in space
efficient dual in line plastic packages.
FEATURES
lOptions :-
10mm lead spread - add G after part no.
Surface mount - add SM after part no.
Tape&reel - add SMT&R after part no.
lHigh Isolation Voltage (5.3kVRMS ,7.5kVPK )
lAC or polarity insensitive input
lAll electrical parameters 100% tested
lCustom electrical selections available
APPLICATIONS
lComputer terminals
lIndustrial systems controllers
lTelephone sets, Telephone exchangers
lSignal transmission between systems of
different potentials and impedances
5.08
4.084.0
3.0
7.62
DB91070M-AAS/ A1
ISOCOM COMPONENTS LTD
Unit 25B, Park View Road West,
Park View Industrial Estate, Brenda Road
Hartlepool, TS25 1YD England Tel: (01429)863609
Fax : (01429) 863581 e-mail sales@isocom.co.uk
http://www.isocom.com
OPTION G
7.62
SURFACE MOUNT
OPTION SM
10.16
10.46
9.86
0.26
0.6
0.1 1.25
0.75
DB91070M-AAS/A1
PARAMETER MIN TYP MAX UNITS TEST CONDITION
Input Forward Voltage (VF)1.2 1.4 VIF = ± 20mA
Output Collector-emitter Breakdown (BVCEO)35 VIC = 1mA
( Note 2 )
Emitter-collector Breakdown (BVECO)6VIE = 100µA
Collector-emitter Dark Current (ICEO)100 nA VCE = 20V
Coupled Current Transfer Ratio (CTR) (Note 2)
ISP814, ISP824, ISP844 20 300 %± 1mAIF , 5V VCE
ISP814A, ISP824A, ISP844A 50 150 %
Collector-emitter Saturation VoltageVCE (SAT) 0.2 V± 20mAIF , 1mAIC
Input to Output Isolation Voltage VISO 5300 VRMS See note 1
7500 VPK See note 1
Input-output Isolation Resistance RISO 5x1010 ΩVIO = 500V (note 1)
Output Rise Time tr 4 18 µsVCE = 2V ,
Output Fall Time tf 3 18 µs IC= 10mA, RL= 100Ω
3/11/99
ELECTRICAL CHARACTERISTICS ( TA = 25°C Unless otherwise noted )
Note 1 Measured with input leads shorted together and output leads shorted together.
Note 2 Special Selections are available on request. Please consult the factory.
ABSOLUTE MAXIMUM RATINGS
(25°C unless otherwise specified)
Storage Temperature -55°C to + 125°C
Operating Temperature -55°C to + 100°C
Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260°C
INPUT DIODE
Forward Current ± 50mA
Power Dissipation 70mW
OUTPUT TRANSISTOR
Collector-emitter Voltage BVCEO 35V
Emitter-collector Voltage BVECO 6V
Power Dissipation 150mW
POWER DISSIPATION
Total Power Dissipation 200mW
(derate linearly 2.67mW/°C above 25°C)
DB91070M-AAS/A1
3/11/99
50
-30 0 25 50 75 100 125
Ambient temperature TA ( °C )
150
0
200
Ambient temperature TA ( °C )
Collector power dissipation P C (mW)
60
30
20
10
0
40
50
-30 0 25 50 75 100 125
Collector Power Dissipation vs. Ambient Temperature
Forward Current vs. Ambient Temperature
-30 0 25 50 75 100
Ambient temperature TA ( °C )
Collector-emitter saturation voltage V CE(SAT) (V)
Collector-emitter Saturation
Voltage vs. Ambient Temperature
100
TA = 25°C
0
1
2
3
4
5
0
0.02
0.04
0.06
0.08
0.10
0.12
0.14
IF = ±20mA
IC = 1mA
Forward current I F (±mA)
Collector-emitter Saturation
Voltage vs. Forward Current
Collector Current vs. Collector-emitter Voltage
Collector-emitter voltage VCE ( V )
Collector current I C (mA)
Current Transfer Ratio vs. Forward Current
Forward current IF (±mA)
Current transfer ratio CTR (%)
1 2 5 10 20 50
0
80
120
160
200
240
0 2 4 6 8 10
0
10
20
30
40
50
40
TA = 25°C
280
320
Forward current IF (±mA)
Collector-emitter saturation voltage V CE(SAT) (V)
0 5 10 15
6
VCE = 5V
TA = 25°C
IF = ±5mA
2mA
Ic =1mA
8mA
5mA
3mA
±10
±15
±20
±30
±50
