MALVERN, PA — Vishay Intertechnology, Inc. (NYSE: VSH) has introduced the VEMD8082, a high-sensitivity silicon PIN photodiode designed to enhance biomedical applications, including heart rate and blood oxygen monitoring. The new device marks a significant step forward in photodiode technology, offering improved performance metrics over its predecessors.
The VEMD8082 boasts increased reverse light current, reduced diode capacitance, and faster rise and fall times. These improvements translate to higher sensitivity and quicker response times, essential for accurate and reliable measurements in medical devices. The photodiode’s compact dimensions of 4.8 mm by 2.5 mm by 0.5 mm make it particularly suitable for integration into low-profile devices such as smartwatches.
High sensitivity in the visible and near-infrared wavelength range is critical for biomedical applications like photoplethysmography (PPG). This technique involves detecting changes in blood volume and flow by measuring light absorption or reflection by blood vessels. Accurate and precise measurements are crucial for diagnosing and monitoring cardiovascular conditions.
The VEMD8082’s specifications highlight its advanced capabilities. It features a radiant sensitive area of 6.0 mm² and exhibits an 18% to 20% increase in reverse light current, depending on the wavelength. Additionally, the device’s diode capacitance has been decreased from 50 pF to 46 pF. Faster rise times of 40 nanoseconds, compared to 110 nanoseconds in previous models, enable higher sampling rates and more detailed data capture.
These technical advancements make the VEMD8082 a valuable component for developers of biomedical devices. Enhanced performance metrics ensure more reliable readings, crucial for devices that monitor vital signs. The improvements over previous-generation photodiodes reflect Vishay’s commitment to innovation in the healthcare sector.
Overall, Vishay Intertechnology’s VEMD8082 enhances photodiode technology with increased sensitivity and quicker response times. It paves the way for advanced biomedical devices, elevating patient care and showcasing a dedication to state-of-the-art technology for vital healthcare applications.
For the latest news on everything happening in Chester County and the surrounding area, be sure to follow MyChesCo on Google News and MSN.