The 1,1-mm thin APDS-9120 optical proximity sensor suits portable consumer electronics such as cell phones, PDAs, handheld games, and notebook PCs. It integrates a signal-conditioning IC, emitter, and ...
The task of sensing dc current at high voltage is often problematic. Most high-side current-sensing ICs available off the shelf are good only to 30 or 40V. Combining an optocoupler with such an IC ...