Space-saving photodetector suits fitness trackers

OSRAM  IR Topled D5140 photodiode photodetector allows compact designs and higher sensitivity in wearable fitness monitors. Device requires less PC board space, allowing for more compact sensors to be embedded in a design. Device’s spectral sensitivity has been optimized for visible light and allows precise heart rate measurements using red or green light. Device is suitable for use in fitness armbands to monitor fitness levels, as well as for use as an ambient light sensor. http://www.osram-os.com