LAA120L
Dual Current-Limited,
Single Pole OptoMOS Relay
INTEGRATED CIRCUITS DIVISION
Parameter Ratings Units Description
Blocking Voltage 250 V
P LAA120L is a dual normally open (1-Form-A) Solid
Load Current 150 mA / mA
State Relay that has two independently controlled,
rms DC
On-Resistance (max) 25 optically coupled MOSFET switches with an additional
current limiting circuit. The MOSFET switches and
photovoltaic die employ optically coupled MOSFET
Features
technology to provide 3750V of input/output
rms
Two Current Limited Relays in One Package
isolation.
3750V Input/Output Isolation
rms
Low Drive Power Requirements (TTL/CMOS
The optically coupled outputs, that use patented
Compatible)
OptoMOS architecture, are controlled by a highly
No Moving Parts
efficient GaAIAs infrared LED.
High Reliability
Arc-Free With No Snubbing Circuits
This dual switch OptoMOS relay provides a more
FCC Compatible
compact design solution than discrete single-pole
VDE Compatible
relays in a variety of applications and saves board
No EMI/RFI Generation
space by incorporating both switches in a single 8-Pin
Small 8-Pin Package
package.
Machine Insertable, Wave Solderable
Surface Mount and Tape & Reel Versions Available
Approvals
UL Certified Component: File E76270
Applications
CSA Certified Component: Certificate 1175739
Telecommunications
EN/IEC 60950-1 Certified Component:
Telecom Switching
TUV Certificate B 10 05 49410 006
Tip/Ring Circuits
Modem Switching (Laptop, Notebook, Pocket Size)
Ordering Information
Hook Switch
Dial Pulsing
Part # Description
Ground Start
LAA120L 8-Pin DIP (50/Tube)
Ringing Injection
LAA120LS 8-Pin Surface Mount (50/Tube)
Instrumentation
LAA120LSTR 8-Pin Surface Mount (1,000/Reel)
Multiplexers
LAA120PL 8-Pin Flat Pack (50/Tube)
Data Acquisition
LAA120PLTR 8-Pin Flat Pack (1,000/Reel)
Electronic Switching
I/O Subsystems
Meters (Watt-Hour, Water, Gas)
Medical Equipment-Patient/Equipment Isolation
Security
Switching Characteristics of
Aerospace
Normally Open (Form A) Devices
Industrial Controls
Form-A
Pin Configuration
1 8
+ Control - Switch #1 Load - Switch #1
I
2
7 F
Control - Switch #1
Load - Switch #1
3 6
90%
+ Control - Switch #2 Load - Switch #2
4 5
10%
Control - Switch #2 Load - Switch #2 I
LOAD
t t
on off
Pb
e3
DS-LAA120L-R05
1
www.ixysic.comLAA120L
INTEGRATED CIRCUITS DIVISION
Absolute Maximum Ratings @ 25C
Absolute Maximum Ratings are stress ratings. Stresses in
Parameter Ratings Units
excess of these ratings can cause permanent damage to
Blocking Voltage 250 V
P
the device. Functional operation of the device at conditions
Reverse Input Voltage 5 V
beyond those indicated in the operational sections of this
Input Control Current 50 mA
data sheet is not implied.
Peak (10ms) 1 A
1
Input Power Dissipation 150 mW
2
Total Power Dissipation 800 mW
Isolation Voltage, Input to Output 3750 V
rms
Operational Temperature -40 to +85 C
Storage Temperature -40 to +125 C
1
Derate linearly 1.33 mW / C
2
Derate linearly 6.67 mW / C
Electrical Characteristics @ 25C
Parameter Conditions Symbol Min Typ Max Units
Output Characteristics
1
Load Current, Continuous -I - - 150 mA / mA
L rms DC
2
On-Resistance I =150mA R -12 25
L ON
Off-State Leakage Current V =250V I -- 1 A
L P LEAK
Switching Speeds
Turn-On t -- 5
on
I =5mA, V =10V ms
F L
Turn-Off t -- 5
off
Output Capacitance V =50V, f=1MHz C -50 - pF
L OUT
Load Current Limiting - I 190 235 280 mA
CL
Input Characteristics
Input Control Current to Activate I =Load Current I -- 5 mA
L F
Input Control Current to Deactivate - - 0.4 0.7 - mA
Input Voltage Drop I =5mA V 0.9 1.2 1.4 V
F F
Reverse Input Current V =5V I -- 10 A
R R
Common Characteristics
Input to Output Capacitance - C -3 - pF
I/O
1
If both poles operate, then the load current must be derated so that it does not exceed the package power dissipation value.
2
Measurement taken within one second of on-time.
R05
2 www.ixysic.com