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News
EVERLIGHT presents ALS-PD50-42C ambient light sensor for wearable devices
2016-11-21 | ReturnWith the increasing demand for health-awareness, more and more people manage their health and progress through their own daily activities. Advanced technology plays an important role in the growing market for fitness and wellbeing. Currently these advanced sensors are the most innovative and a convenient way to measure one’s heart rates.
Based on the principle of PPG (photoplethysmogram), the heart rate signal is calculated according to the current changes in transmission and reflection between the green light LED and the sensor to detect the systolic and diastolic blood vessels. With a large detection area of 8.1mm2, the signal strength of EVERLIGHT’s advanced ambient light sensor ALS-PD50-42C is strong and reliable. This bigger than usual sensing area can also improve the capabilities in instances when there are signal interferences caused by people’s skin color, tattoos and hair on the skin. This feature allows for accurate and reliable detection for the wearable heart rate technology. Ideally, this technology is a benefit for runners who rely on accurate wearable devices.
EVERLIGHT’s ALS-PD50-42C series features a very efficient current transmission. A current signal output of 0.8 μA at a light current of 100 Lux from a white LED (Vr = 5V) improves detection on capillaries resulting in overall accurate signal strength. The device's coating design effectively reduces the interference from UV light below 400nm and infrared light above 650nm, thereby decreasing the effect of strong sunlight from outdoor exercise to ensure accurate measurements. The ALS can be operated within a supply voltage range from 0 to 5V in a temperature range from -25°C up to +85°C. This device is rated to be RoHS compliant, Pb free and halogen-free. EVERLIGHT’s ALS-PD50-42C series is a simple and convenient way to obtain heart rate information. This technology is perfectly suited for wearable applications for the fitness industry.
EVERLIGHT will continue to focus on their customers’ demands and is always on a quest for innovation and technological breakthrough to provide a one-stop optoelectronics solutions for all industries.
Sample Available: Yes. (Upon request)
Mass Production: Q3, 2016
For more information on this technology, please contact your local EVERLIGHT sales office or authorized distributors. Please visit: www.everlight.com for further details.
EVERLIGHT provides a variety of solutions for various customers and applications in the LED and Optoelectronics industry. Coordinated efforts to understand our customers’ demands and working with our research and development team, we strive to exceed customer expectations in our product offerings.
Product image:
Caption: EVERLIGHT’s ALS-PD50-42C series is the ideal component for heart rate measurements in the wearable technology fitness market. (Structures and materials depend on demand of the client.).
Source: http://www.everlight.com/