LH1527, LH1537
1 Form C
Absolute Maximum Ratings
T
A
=25
°
C
Stresses in excess of the Absolute Maximum Ratings
can cause permanent damage to the device. These are
absolute stress ratings only. Functional operation of the
Parameter
Ambient Operating Temperature Range
Storage Temperature Range
Pin Soldering Temperature
Input/Output Isolation Voltage
Pole-to-Pole Isolation Voltage*
(S1 to S2)
LED Continuous Forward Current
LED Reverse Voltage
dc or Peak ac Load Voltage
Continuous dc Load Current
(Form C Operation)
Peak Load Current
Output Power Dissipation (continuous)
6-Pin Package
8-Pin Package
device is not implied at these or any other conditions in
excess of those given in the operational sections of this
document. Exposure to Absolute Maximum Ratings for
extended periods of time can adversely affect reliability.
LH1527
–40 to +85
–40 to +150
260
3750
1600
50
8
350
—
125
350
LH1537
–40 to +85
–40 to +150
260
3750
1600
50
8
250
150
500
Units
°
C
°
C
°
C
Vrms
V
mA
V
V
mA
mA
Symbol Test Conditions
T
A
T
stg
T
S
V
ISO
—
I
F
V
R
V
L
I
L
I
P
P
DISS
I
R
£
10
m
A
I
L
£
50
m
A
—
—
t=10 s max
—
Dry air, dust free,
at sea level
—
t=100 ms
(single shot)
—
500
600
500
600
mW
mW
* Breakdown occurs between the output pins external to the package.
Recommended Operating Conditions
125
150
LOAD CURRENT (mA)
I
FON/OFF
=
9 mA to 20 mA
75
LOAD CURRENT (mA)
100
120
90
60
30
I
FON/OFF
=
9 mA to 20 mA
I
FON/OFF
= 3 mA
I
FON/OFF
= 4.5 mA
50
I
FON/OFF
= 6 mA
I
FON/OFF
= 7.5 mA
I
FON/OFF
= 3 mA
I
FON/OFF
= 4.5 mA
I
FON/OFF
= 6 mA
I
FON/OFF
= 7.5 mA
25
LH1527
LH1537
0
–40
–20
0
20
40
60
80
0
-40
-20
0
20
40
60
80
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
Siemens Microelectronics, Inc. • Optoelectronics Division
www.smi.siemens.com/opto/
1 of 25
October 1998
Electrical Characteristics
T
A
=25
°
C
Minimum and maximum values are testing requirements.
Typical values are characteristics of the device and are the
result of engineering evaluations. Typical values are for
information purposes only and are not part of the testing
requirements.
Parameter
LED Forward Current
for Switch Turn-on
(NO)
LED Forward Current
for Switch Turn-off
(NO)
I
N
P
U
T
Symbol
I
Fon
Test Condition
I
L
=100 mA
t=10 ms
—
V
L
I
L
=100 mA
t=10 ms
—
V
L
I
F
=10 mA
Values
Min
Typ
Max
LH1527
—
2.0
3.0
0.2
1.0
—
300
0.2
0.6
—
—
0.7
3.0
300
1.15
1.26
1.45
17*
25*
33*
0.5
600
—
0.1
5.0
—
—
0.17
200
—
0.02
1.0
—
—
1.0
350
—
55
—
—
10
—
—
35
—
—
10
—
LH1537
—
2.0
3.0
0.2
1.0
—
200
0.2
0.6
—
—
0.7
3.0
200
1.15
1.26
1.45
8
12
16
0.5
600
—
0.1
5.0
—
—
0.17
200
—
0.02
1.0
—
—
1.0
250
—
60
—
—
15
—
—
45
—
—
15
—
Units
mA
mA
mA
mA
mA
mA
V
mA
mA
mA
mA
mA
mA
V
V
V
V
W
W
W
G
W
G
W
G
W
G
W
G
W
G
W
nA
nA
nA
m
A
m
A
m
A
m
A
m
A
m
A
V
pF
pF
pF
pF
pF
pF
pF
pF
pF
pF
pF
pF
I
Foff
Min
Typ
Max
±
Min
Typ
Max
LED Forward Current
for Switch Turn-on
(NC)
LED Forward Current
for Switch Turn-off
(NC)
LED Forward
Voltage
ON-resistance:
(NO, NC)
OFF-resistance
(NO)
(NC)
I
Fon
I
Foff
Min
Typ
Max
±
Min
Typ
Max
V
F
R
ON
R
OFF
I
F
=5 mA (NO),
0 mA (NC)
I
L
=50 mA (NC)
I
F
=0 mA
V
L
=
±
100 V
I
F
=5 mA
V
L
=
±
100 V
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Off-state
Leakage Current
(NO)
(NC)
O
U
T
P
U
T
—
I
F
=0 mA
V
L
=
±
100 V
I
F
=5 mA
V
L
=
±
100 V
I
F
=0 mA (NO)
I
F
=5 mA (NC)
V
L
I
F
=0 mA
V
L
=1 V
I
F
=0 mA
V
L
=50 V
Min
Typ
Max
Min
Typ
Max
(NO, NC)
Min
Typ
Max
±
Min
Typ
Max
Min
Typ
Max
Output Capacitance
(NO)
—
(NC)
I
F
=5 mA
V
L
=1 V
I
F
=5 mA
V
L
=50 V
Min
Typ
Max
Min
Typ
Max
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2 of 25
LH1527, LH1537
October 1998
Parameter
Pole-to-pole
Capacitance
(S1 to S2)
O
U
T
P
U
T
Symbol
—
Test Condition
I
F
=0 mA
Values
Min
LH1527
—
LH1537
—
Units
pF
Typ
Max
0.5
—
—
0.15
—
—
0.1
—
—
1.1
—
0.5
3.1
4.5
0.5
2.3
4.5
—
1.2
4.5
—
1.6
4.5
0
0.6
—
0.5
—
—
0.15
—
—
0.1
—
—
1.1
—
0.5
3.1
4.5
0.5
2.3
4.5
—
1.2
4.5
—
1.6
4.5
0
0.6
—
pF
pF
m
V
m
V
m
V
m
V
mV
mV
pF
pF
pF
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
Switch Offset
(NO)
Switch Offset
(NC)
Input/Output
Capacitance
Turn-on Time
(NO)
Turn-on Time
(NC)
Turn-off Time
(NO)
Turn-off Time
(NC)
Transfer OFF Time
(NC off to NO on)
—
I
F
=5 mA (NO)
I
F
=5 mA (NC)
I
F
=0 mA (NC)
I
F
=5 mA (NO)
Min
Typ
Max
Min
Typ
Max
C
ISO
t
on
V
ISO
=1 V
I
F
=10 mA
I
L
=37.5 mA
V
L
=150 V*
I
F
=6 mA
I
L
=100 mA
V
L
=50 V*
I
F
=1 mA
I
L
=37.5 mA
V
L
=STC V*
I
F
=10 mA
I
L
=37.5 mA
V
L
=150 V*
I
F
=10 mA
I
L
=37.5 mA
V
L
=150 V*
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
T
R
A
N
S
F
E
R
t
on
t
off
t
off
ttfr
* Single application.
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3 of 25
LH1527, LH1537
October 1998
A. LED Voltage vs. Temperature
1.6
B. LED Dropout Voltage vs. Temperature
1.20
I
L
= 100 mA
LED FORWARD VOLTAGE (V)
LED FORWARD VOLTAGE (V)
1.5
I
F
= 50 mA
1.4
1.3
1.2
I
F
= 1 mA
1.1
1.0
–40
–20
0
I
F
= 2 mA
I
F
= 5 mA
I
F
= 10 mA
20
40
60
80
I
F
= 20 mA
1.15
TYP.
1.10
MIN.
1.05
1.00
0.95
–40
–20
0
20
40
60
80
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
C. LED Current for Switch Turn-Off vs. Temperature
LED FORWARD CURRENT FOR SWITCH
TURN-ON/OFF (%) NORMALIZED TO 25
°C
D. ON-Resistance vs. Temperature
40
A – LH1537
B – LH1527
A
100
I
L
= 100 mA
80
LH1527, LH1537
CHANGE IN ON-RESISTANCE (%)
NORMALIZED TO 25
°C
30
20
10
0
60
40
20
0
–20
–40
–60
–40
–20
0
20
40
60
80
B
A
–10
–20
–30
–40
–40
B
–20
0
20
40
60
80
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
E. Variation in ON-Resistance vs. LED Current
ac/dc ON-RESISTANCE VARIATION (%)
(NORMALIZED TO DATA SHEET RON
SPECIFICATION @ I
F
= 5 mA)
F. Switch Capacitance vs. Applied Voltage
80
I
F
= 0 mA (NO)
I
F
= 10 mA (NC)
2
I
F
= 5 mA
70
60
50
40
30
NO
LH1537
0
CAPACITANCE (pF)
1
–1
LH1527
NC
20
10
–2
0
4
8
12
16
20
0
0
20
40
60
80
100
LED FORWARD CURRENT (mA)
APPLIED VOLTAGE (V)
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www.smi.siemens.com/opto/
4 of 25
LH1527, LH1537
October 1998
A. Insertion Loss vs. Frequency
0.4
0.35
A
R
L
= 600
W
B. Output Isolation
100
80
INSERTION LOSS (dB)
0.3
0.25
0.2
0.15
0.1
0.05
0
10
2
3
4
5
60
B
A – LH1527
B – LH1537
40
I
F
= 10 mA
V
P
= 10 V
R
L
= 50
W
A – NO
B – NC
20
10
10
FREQUENCY (Hz)
10
0
10
2
10
3
10
4
10
5
10
6
10
7
FREQUENCY (Hz)
C. Leakage Current vs. Applied Voltage (NO)
600
500
LEAKAGE CURRENT (pA)
D. Leakage Current vs. Applied Voltage at Elevated
Temperatures (NO)
50
I
F
= 0 mA
T
A
= 25
°C
400
300
200
100
0
0
LEAKAGE CURRENT (nA)
40
85
°C
30
20
70
°C
10
50
°C
50
100
150
200
250
300
350 400
0
0
50
100
150
200
250
300
350 400
APPLIED VOLTAGE (V)
APPLIED VOLTAGE (V)
E. Leakage Current vs. Applied Voltage (NC)
50
40
I
F
= 10 mA
30
T
A
= 25
°C
F. Leakage Current vs. Applied Voltage at Elevated
Temperatures (NC)
LEAKAGE CURRENT (nA)
20
I
F
= 5 mA
10
0
0
50
100
150
200
250
300
350 400
APPLIED VOLTAGE (V)
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