MALVERN, PA — Vishay Intertechnology, Inc. (NYSE: VSH) has unveiled its latest innovation, a 25 MBd high-speed optocoupler designed to streamline integration into digital systems. The newly released VOIH72A, distinguished by its CMOS logic digital input and output, marks a significant advancement in optoelectronic devices, catering specifically to the demands of industrial applications.
The VOIH72A optocoupler stands out for its compact design and robust performance features, including a low maximum pulse width distortion of 6 ns and a minimal supply current requirement of 2 mA. It operates efficiently across a wide voltage range from 2.7 V to 5.5 V and can withstand high temperatures up to +110 °C, making it exceptionally suited for harsh industrial environments.
Optocouplers, essential for transmitting electrical signals using light waves, serve as critical components in protecting sensitive electronics from high voltages. The VOIH72A leverages an advanced design, incorporating a digitally controlled input LED driver and a high-speed infrared emitter-detector pair within a small SOIC-8 package. This integration facilitates direct microcontroller connections, eliminating the need for external driver stages and current limiting resistors, thereby reducing overall system costs and simplifying design processes.
Targeted at applications requiring fast switching speeds and precise signal transmission, such as data communication, pulse width modulation, and motor drives, the VOIH72A ensures high voltage safety and efficient operation. Its minimum common mode transient immunity (CMTI) of 20 kV/μs is particularly advantageous for isolating galvanic noise and interrupting ground loops, contributing to enhanced system reliability and reduced power consumption.
The device’s compatibility with existing solutions, paired with its extended voltage and temperature ranges, positions it as an ideal upgrade for both new and legacy systems. Its introduction by Vishay, a leader in semiconductor technology, underscores the company’s commitment to advancing industrial electronics by delivering high-performance, cost-effective components.
This development not only addresses the immediate needs of equipment manufacturers but also reflects broader trends in the industry towards greater digitization and efficiency. By enabling more straightforward digital integration and offering superior performance characteristics, the VOIH72A is poised to contribute significantly to the evolution of industrial automation and control systems.
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