ADPD188BI Description
The module integrates a highly efficient photometric front end, two light emitting diodes (LEDs), and two photodiodes (PDs). These items are housed in a custom package that prevents light from going directly from the LED to the photodiode without first entering the smoke detection chamber. The front end of the application specific integrated circuit (ASIC) consists of a control block, a 14-bit analog-to-digital...