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Optocoupler Designer's Guide
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Optocoupler Designer's Guide
 
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Optocoupler Designer's Guide
From Avago Technologies Limited
 

 
Avago Technologies optocouplers can be used in an array of isolation applications ranging from power supply and motor control circuits to data communication and digital logic interface circuits. To help you choose and design with Avago Technologies isolation components, this Designer’s Guide contains popular application circuits and recommended Avago optocouplers. This handbook contains sections discussing critical optocoupler design parameters such as Insulation and Withstand Voltage, Regulatory Agency Safety Standards, Common-Mode Transient Rejection, Product Life and light emitting diode (LED) aging. The rest of the guide consists of application circuits. Each application circuit is accompanied by: 1. A brief description. 2. Highlights of circuit performance. 3. Circuit benefits. 4. A list of alternative Avago parts indicating comparably performing products available in varying package styles for maximum design flexibility. The primary purpose of optocoupler devices is to provide both electrical insulation and signal isolation. The popularity of Avago Technologies' product offering can be accredited to cost-effective innovations in these areas. Yet there exists a surprising level of misunderstanding regarding these two terms from both vendor and user alike. The discrepancies that exist within the worldwide regulatory community add to the frustration level for many designers. This discussion attempts to help the designer capitalize on Avago Technologies’ knowledge.

Products & Services
Optocouplers are capable of transferring an electrical signal between two circuits while isolating the circuits from each other.
Isolation amplifiers electrically isolate input and output signals, often by inductive couplings. Isolation amplifiers, or iso-amps as they are sometimes called, may be used to protect components from potentially dangerous voltages or to amplify low-level analog signals in applications with multiple channels.
RF waveguide amplifiers accept a varying input signal and produce an output signal that varies in the same way, but with a larger amplitude.
Electronics assembly service companies based on providing contract design, manufacturing, and related product support services on behalf of electronics OEMs.
Flexible circuits use polyimide films and other foldable substrates to meet the requirements of complex electronic manufacturing applications.
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Product Announcements
Avago Technologies Limited - Dual Channel High Speed Digital CMOS Optocoupler
The ACPL-K73L (dual-channel) is 15 MBd CMOS optocouplers in stretched SO8 package. The optocouplers utilize the latest CMOS IC technology to achieve outstanding performance with very low power... (read more)
Avago Technologies Limited - High Speed Digital CMOS Optocoupler
The ACPL-W70L (single-channel) is 15 MBd CMOS optocouplers in Stretched SO6 package. The optocouplers utilize the latest CMOS IC technology to achieve outstanding performance with very low power... (read more)
Avago Technologies Limited - Custom RF Amplifiers
Avago Technologies Limited manufactures custom RF amplifiers to match your specifications. (read more)
Avago Technologies Limited - Custom Motion Controllers
Avago Technologies Limited manufactures custom motion controllers to match your specifications. (read more)
Fiberguide Industries, Inc. - VersaLink Plastic Optical Fiber (POF) Patch Cord
These premium plastic optical fiber cables feature the Versatile Link ("VersaLink") connectors providing readymade solutions for rapid installations for any industrial or commercial application... (read more)
Avago Technologies Limited - Custom Fiber Optic Receivers
Avago Technologies Limited manufactures custom fiber optic receivers to match your specifications. (read more)
Avago Technologies Limited - Custom Fiber Optic Transceivers
Avago Technologies Limited manufactures custom fiber optic transcievers to match your specifications. (read more)
Avago Technologies Limited - Custom Fiber Optic Transmitters
Avago Technologies Limited manufactures custom fiber optic transmitters to match your specifications. (read more)
Electro Standards Laboratories - VersaLink Plastic Optical Fiber (POF) Patch Cord
Compatible with Avago Versatile Link family of connectors. Suitable for Applications such as Gaming Terminal Networks, Medical Instruments and High Voltage Isolation to name just a few. Available in... (read more)
Avago Technologies Limited - 3.3V/5V High Speed Digital CMOS Optocoupler
The ACPL-074L (dual-channel) is 15 MBd CMOS optocouplers in SOIC-8 package. The optocouplers utilize the latest CMOS IC technology to achieve outstanding performance with very low power consumption. (read more)
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Topics of Interest
Optocouplers are frequently used to provide high voltage insulation. Because optocouplers perform this safety function, they are regulated by many country safety agencies, both at the component level... (Read More)
Optocouplers eliminate the effects of electrical noise caused by crosstalk, power glitches and electrical interference. They provide high voltage isolation allowing safe interface between high and low... (Read More)
Optocouplers are widely used in providing galvanic isolation because of their true isolation characteristics. The heart of a modern optocoupler is an input infrared-emitting LED and an output... (Read More)
In an industrial environment where high voltages, magnetic fields and noise are commonly present, reliability is critical to avoid downtime and ensure data accuracy. In this environment circuit... (Read More)
This document contains steady state thermal models for optocouplers based on empirical data and theoretical extrapolation. Seven thermal models have been chosen to suit the type of optocoupler: •... (Read More)
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See more product announcements for Optocouplers
PS2761B Photocoupler

PS2761B Photocoupler
California Eastern Laboratories


PS2701A Photocoupler

PS2701A Photocoupler
California Eastern Laboratories


PS2502 Photocoupler

PS2502 Photocoupler
California Eastern Laboratories


11 See more product announcements for Optocouplers



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