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LAA120
Dual Single-Pole, Normally Open
I NTEGRATED C IRCUITS D IVISION
OptoMOS ? Relay
Parameter
Blocking Voltage
Load Current
On-Resistance (max)
Ratings
250
170
20
Units
V P
mA rms / mA DC
?
Description
LAA120 is a dual normally open (1-Form-A) Solid
State Relay that has two independently controlled,
optically coupled MOSFET switches. The MOSFET
switches and photovoltaic die use optically coupled
Features
? 3750V rms Input/Output Isolation
? Low Drive Power Requirements (TTL/CMOS
Compatible)
? No Moving Parts
? High Reliability
? Arc-Free With No Snubbing Circuits
? FCC Compatible
? VDE Compatible
? No EMI/RFI Generation
? Small 8-Pin Package
? Machine Insertable, Wave Solderable
? Surface Mount and Tape & Reel Versions Available
Applications
? Telecommunications
? Telecom Switching
? Tip/Ring Circuits
? Modem Switching (Laptop, Notebook, Pocket Size)
? Hook Switch
? Dial Pulsing
MOSFET technology to provide 3750V rms of input to
output isolation.
The optically coupled outputs, which use the patented
OptoMOS architecture, are controlled by a highly
efficient GaAIAs infrared LED.
This dual switch OptoMOS relay provides a more
compact design solution than discrete single-pole
relays in a variety of applications, and saves board
space by incorporating both switches in a single 8-Pin
package.
Approvals
? UL Certified Component: File E76270
? CSA Certified Component: Certificate 1175739
? EN/IEC 60950-1 Certified Component:
TUV Certificate B 10 05 49410 006
Ordering Information
Part # Description
LAA120 8-Pin DIP (50/Tube)
? Ground Start
? Ringing Injection
? Instrumentation
? Multiplexers
? Data Acquisition
LAA120S
LAA120STR
LAA120P
LAA120PTR
8-Pin Surface Mount (50/Tube)
8-Pin Surface Mount (1,000/Reel)
8-Pin Flat Pack (50/Tube)
8-Pin Flat Pack (1,000/Reel)
? Electronic Switching
? I/O Subsystems
Pin Configuration
? Meters (Watt-Hour, Water, Gas)
? Medical Equipment-Patient/Equipment Isolation
? Security
? Aerospace
? Industrial Controls
+ Control - Switch #1
– Control - Switch #1
+ Control - Switch #2
– Control - Switch #2
1
2
3
4
8
7
6
5
Load - Switch #1
Load - Switch #1
Load - Switch #2
Load - Switch #2
Switching Characteristics of
Normally Open (Form A) Devices
Form-A
I F
90%
Pb
DS-LAA120-R09
e 3
www.ixysic.com
I LOAD
t on
10%
t off
1
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