AD4C250
Dual 1 Form A
Solid State Relay
DESCRIPTION
The AD4C250 is a bi-directional, double-pole, single-throw, normally open multipurpose solid-state relay. It is designed to replace
electromechanical relays and reed relays in special applications that call for very fast switching times. The relay consists of two integrated
circuits, each driving a pair of rugged source-to-source enhancement type DMOS transistors. Each integrated circuit is optically coupled to
a light emitting diode. The output MOS transistors are specially designed to exhibit extremely low output capacitance and leakage current
characteristics, making this device ideal for switching high frequency signals.
FEATURES
APPLICATIONS
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High input-to-output isolation
Low input control power consumption
40mA maximum continuous load current
300 ohms maximum on-resistance
Long life/high reliability
Fast switching speeds
Low output capacitance
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Telecom switching
Tip/Ring control
PCMCIA modules
Multiplexers
Meter reading systems
Data acquisition
Medical equipment
Battery monitoring
Home/Safety security systems
OPTIONS/SUFFIXES
MAXIMUM RATINGS
PARAMETER
Storage Temperature
Operating Temperature
Continuous Input Current
Transient Input Current
Reverse Input Control
Voltage
Output Power Dissipation
UNIT
°C
°C
mA
mA
V
mW
6
500
MIN
-55
-40
TYP
MAX
125
85
40
400
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•
-S
-TR
Surface Mount Option
Tape and Reel
SCHEMATIC DIAGRAM
APPROVALS
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BABT CERTIFICATE #607836:
BS EN 60950, BS EN 41003, BS EN 60065
CSA CERTIFICATE #LR111581-1
UL FILE #E90096
rev 1.0
Solid State Optronics, Inc.
1.888.377.4776
www.ssousa.com
AD4C250
Dual 1 Form A
Solid State Relay
ELECTRICAL CHARACTERISTICS - 25°
PARAMETER
INPUT SPECIFICATIONS
LED Forward Voltage
LED Reverse Voltage
Turn-On Current
Turn-Off Current
V
V
mA
mA
6
5
1.2
12
2.5
0.5
1.5
If = 10mA
Ir = 10uA
Io = 40mA
UNIT
MIN
TYP
MAX
TEST CONDITIONS
OUTPUT SPECIFICATIONS
Blocking Voltage
Continuous Load Current
On-Resistance
Leakage Current
Output Capacitance
Offset Voltage
V
mA
Ω
nA
pF
mV
225
10
1.5
250
40
300
100
3
0.2
Io = 10uA
If = 5mA
Io = 40mA
Vo = 250V
Vo = 25V, f = 1.0MHz
If = 5mA
COUPLED SPECIFICATIONS
Isolation Voltage
-H Suffix
Turn-On Time
Turn-Off Time
Isolation Resistance
Coupled Capacitance
Contact Transient Ratio
V
V
µ
s
µ
s
G
Ω
pF
V/
µ
s
2000
100
3
7000
dV = 50V
2500
3750
50
150
500
500
T = 1 minute
T = 1 minute
If = 5mA, Io = 40mA
If = 5mA, Io = 40mA
rev 1.0
Solid State Optronics, Inc.
1.888.377.4776
www.ssousa.com
AD4C250
Dual 1 Form A
Solid State Relay
PERFORMANCE DATA
AD4C250
Typical Turn-On Time Distribution
N = 100, Ambient Temperature = 25°C
AD4C250
Typical Turn-Off Time Distribution
N = 100, Ambient Temperature = 25°C
50
Device Count
40
30
20
10
0
0.01 0.03 0.05 0.07 0.09 0.11 0.13 0.15
Turn-On Tim e (m s)
Device Count
60
50
40
30
20
10
0
0
0.05 0.1 0.15 0.2 0.25 0.3 0.35
Turn-Off Tim e (m s)
AD4C250
Typical On-Resistance Distribution
N = 100, Ambient Temperature = 25°C
AD4C250
Typical Leakage Current Distribution
N = 100, Ambient Temperature = 25°C
50
Device Count
40
30
20
10
0
170 180 190 200 210 220 230 240
On-Resistance (ohm s)
Device Count
80
60
40
20
0
0
0.01 0.03 0.05 0.07 0.09 0.11 0.13
Leakage Current (uA)
AD4C250
Typical Blocking Voltage Distribution
N = 100, Ambient Temperature = 25°C
AD4C250
Typical Load Current vs. Temperature
Load Current (mA)
80
Device Count
60
40
20
0
260 265 270 275 280 285 290 295
Blocking Voltage (V)
50
40
30
20
10
0
20
40
60
-4
0
-2
0
80
Solid State Optronics, Inc.
1.888.377.4776
www.ssousa.com
rev 1.0
0
Tem perature (C)
AD4C250
Dual 1 Form A
Solid State Relay
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
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