SDT800
DC Input Dual
Optocoupler
DESCRIPTION
The SDT800 consists of two phototransistors, each optically coupled to a light emitting diodes for DC input operation. Optical coupling
between the input LEDs and output phototransistor allows for high isolation levels while maintaining low-level DC signal control capability.
The SDT800 provides an optically isolated method of controlling many interface applications such as telecommunications, industrial control
and instrumentation circuitry.
FEATURES
APPLICATIONS
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High input-to-output isolation package
Low input power consumption
High stability
CTR (MIN:50%-MAX-600% @IF=5mA Vce=5V)
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•
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Registers, copiers, Automatic Vending Machines
System appliances, measuring instruments
Computer terminals, PLCs
Telecommunications, telephones
Home Appliances
Digital logic inputs
Microprocessor inputs
Switching power supply, laser beam printers, etc.
OPTIONS/SUFFIXES
MAXIMUM RATINGS
PARAMETER
Storage Temperature
Operating Temperature
8
Collector
•
•
-S
-TR
Surface Mount Option
Tape and Reel Option
UNIT
°C
°C
mA
A
V
mW
MIN
-55
-40
TYP
MAX
125
85
50
1
6
200
SCHEMATIC DIAGRAM
1
+ LED
Continuous Input Current
Transient Input Current
Emitter
2
- LED
7
3
+ LED
6
Collector
Reverse Input Control
Voltage
Output Power Dissipation
4
- LED
5
Emitter
APPROVALS
•
UL and C-UL Approved File #201932
rev 1.0
Solid State Optronics, Inc.
1.888.377.4776
www.ssousa.com
SDT800
DC Input Dual
Optocoupler
ELECTRICAL CHARACTERISTICS - 25°
PARAMETER
INPUT SPECIFICATIONS
LED Forward Voltage
Peak Forward Voltage
Reverse Current
V
V
µ
A
1.2
1.4
3
10
If = 10mA
Ifm = 0.5A
Vr=4V
UNIT
MIN
TYP
MAX
TEST CONDITIONS
OUTPUT SPECIFICATIONS
Collector-Emitter Breakdown Voltage
Emitter-Collector Breakdown Voltage
Dark Current
Floating Capacitance
Saturation Voltage
Current Transfer Ratio
Rise Time
Fall Time
V
V
µ
A
pF
V
%
µ
s
µ
s
50
4
3
0.6
0.1
60
6
0.1
1
0.2
600
Ic = 10uA
Ie = 10uA
Vce = 20V
Vce = 0V, f=1.0MHz
If = 20mA, Ic = 1mA
If = 5mA, Vce = 5V
Ic = 2mA, Vce = 2V, Rc =100 ohms
Ic = 2mA, Vce = 2V, Rc = 100 ohms
COUPLED SPECIFICATIONS
Isolation Voltage
Isolation Resistance
V
G
Ω
5000
50
T = 1 minute
DC500V
rev 1.0
Solid State Optronics, Inc.
1.888.377.4776
www.ssousa.com
SDT800
Fig.1
Current Transfer Ratio vs.
Forward Current
Collector Power Dissipation Pc (mW)
Forward Current I
F
(mA)
Fig.2
Collector Power Dissipation vs.
Ambient Temperature
Current transfer ratio CTR (%)
Ambient Temperature Ta (°C)
Fig.3
Collector Dark Current vs.
Ambient Temperature
Fig.4
Forward Current vs. Ambient
Temperature
Fig.5
Forward Current vs. Forward
Voltage
Collector Dark Current Iceo (A)
Forward Current I
F
(mA)
Ambient Temperature Ta (°C)
Ambient Temperature Ta (°C)
Forward Current I
F
(mA)
Forward Voltage V
F
(V)
Fig.6
Collector Current vs. Collector-
emitter Voltage
Fig.7
Relative Current Transfer Ratio
vs. Ambient Temperature
Collector-emitter Saturation Voltage Vce (V)
Ambient Temperature Ta (°C)
Fig.8
Collector-emitter Saturation
Voltage vs. Ambient Temperature
Collector-emitter Voltage V
CE
(V)
Relative Current Transfer Ratio (%)
Collector Current Ic (mA)
Ambient Temperature Ta (°C)
Fig.9
Collector-emitter Saturation
Voltage vs. Forward Current
Collector-emitter Saturation Voltage Vce (V)
Fig.10
Response Time vs. Load
Resistance
Fig.11
Response Time vs. Load
Resistance
Forward Current I
F
(mA)
Response Rise Time (us)
Load Resistance R
L
(K ohm)
Response Rise Time (us)
Load Resistance R
L
(K ohm)
rev 1.0
Solid State Optronics, Inc.
1.888.377.4776
www.ssousa.com
SDT800
DC Input Dual
Optocoupler
MECHANICAL DIMENSIONS
8 PIN DUAL IN-LINE PACKAGE
8 PIN SURFACE MOUNT DEVICE
END VIEW
END VIEW
TOP VIEW
TOP VIEW
BOTTOM VIEW/
BOARD PATTERN
BOTTOM VIEW/
BOARD PATTERN
rev 1.0
Solid State Optronics, Inc.
1.888.377.4776
www.ssousa.com
