optocoupler

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optocoupler

[¦äp·tō′kəp·lər]
(electronics)
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There are two primary operating modes for transistor output optocouplers: Linear mode and digital logic mode.
is expanding its VOW Widebody family of high-isolation optocouplers with a new series of high-speed devices capable of 1 MBd and 10 MBd data rates.
Optocouplers and transformers are commonly used within medical system isolation circuits, and their deficiencies are well known to the design community.
Among the expanded ranges for industrial applications in power and lighting are full reel optocouplers, standard LEDs and high brightness LEDs -
Devices on display will consist of 5 MBd high-speed optocouplers, matched infrared emitters and phototransistors, high-brightness 0603 ChipLEDs, 2.5 A IGBT and MOSFET drivers, and solid-state relays.
Gate drive optocouplers are widely used for driving IGBTs and Power MOSFETs because of the high output current driving capability.
element14 has added to its extensive range the highly-integrated gate drive optocouplers from Avago Technologies, one of the world s leading supplier of analog interface components for wireless, wireline and industrial applications.
Optocouplers are used in many industries to isolate an electrical signal between two elements of a circuit.
iCoupler technology is based on chip-scale transformers rather than the LEDs and photodiodes used in optocouplers. iCoupler transformers are planar structures that use the CMOS metal layers as well as a gold layer fabricated on top of the wafer passivation.
The AS1454 eliminates the need for low-speed, bulky optocouplers and integrates the functionality of up to eight separate ICs used in current implementations.
Among the demo highlights will be Maxim s new family of high-voltage buck converters which satisfies all requirements for programmable logic controller (PLC) designs; the compact MAX78700/MAX78615+LMU isolated energy measurement chipset with preloaded firmware, enabling designers to measure AC or DC power usage from any phase without the need for bulky sensors, optocouplers, or an extra power supply for the measurement subsystem; and, in the signal-chain area, the smallest reference design for IO-LinkTM smart industrial sensors.

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