BL59S12

www.DataSheet4U.com BL59A12/BL59S12 PHOTOELECTRIC SMOKE DETECTOR IC 1. Product description 1.1 Basic function: BL59A12 (BL59S12) is a CMOS LSI used for smoke detection. Ultra-low power analog and digital circuits are contained in it. Combined with an IR photoelectric chamber, this IC is used to detect smoke through receiving light scattered by tiny smoke pa...