Optocoupler

Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand . The interfacing of the optocoupler between digital or analogue signals needs to be designed correctly for proper protection. The following examples help in this area by using DC- and AC-input phototransistor optocouplers.

OPTOCOUPLERS IN IC LOGIC DESIGN.

To interface with TTL logic circuits, Vishay .

A full selection of optocouplers that can be used for optocoupler circuits such as an analog optocoupler , ac input, optical optocoupler , high voltage, fast, linear or high speed optocoupler.

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Opto coupler are designed to provide complete electrical isolation between an input and output circuits. The useful purpose of isolation is to provide protection from high voltage, surge voltage and low level noises that could be produces errors in the output. As safety products, optocouplers are designed to protect sensitive control circuitry or people from high voltages. As an isolator, an optocoupler can prevent high voltages from affecting the side of the circuit receiving the signal.

Description, Price, Mounting Type, Output Device, Maximum Forward Voltage, Number of Channels, Number of Pins, Package Type, Input Current Type, Typical Rise Time, Maximum Input Current, Isolation Voltage, Logic Output, Maximum Current Transfer Ratio, Minimum Current Transfer Ratio . Optocoupler , Photodarlington Output, High Gain,. Application Note - Faster Switching from Standard Couplers. UL Online Certifications Directory FPQU8. Standar modified standard and full custom designs are offered. Products include optocouplers , Tempest optocouplers , multiple channel optocouplers , radiation tolerant optocouplers , and . These series of products provide isolation for various applications including power supply, motor control, data communications interface circuit, automated test equipment and telecommunication . THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE.

For technical questions, contact: optocoupler. The 4Nfamily is an industry standard single channel phototransistor coupler. Each optocoupler consists of gallium. In practice, this means that the control circuit is located on one side of the optocoupler , i. This family includes the 4N2.

Broadcom supplies high-reliability hermetic optocouplers for military use, galvanic isolation optocouplers for industrial applications, and optocouplers specifically designed to meet the insulation and reliability requirements for automotive-grade applications. Broadcom Optoisolation and Optical Sensor Products Selection . The products offering include high speed digital optocoupler , 20MB 10MB 8MB 5MB 1MBd and 100kBd logic gate optocoupler. The H11Ax family is an industry standard single channel phototransistor coupler.

The isolation performance is accomplished through Vishay.