BL59A65

BL59A65 Shanghai Belling Co., Ltd. Photo Smoke Detector Control IC with hush BL59A65 DATASHEET Introduction: The BL59A65 is a low-current BiCMOS circuit providing all of the features for a photoelectric type smoke detector. BL59A65 can be used in conjunction with an infrared photoelectric chamber to sense scattered light from smoke particles. Special features are incorporated in the design to facilitate calibration and testing of the finished detector. Features: 6 V to 12 V Operating Voltage Range Supply Voltage current：less than 10uA Internal Timer & Control for Reduced Sensitivity Operating Temperature Range：－25～75℃ Power-ON Reset ESD and Latch-up Protection Piezoelectric Horn Driver Interconnect Up to 50 Detectors Continuous Modulated Tone Output For a Local or Remote Alarm Condition Package Type: DIP16; SOP16 Page 1 of 11 BL59A65 Pin Configuration: Fig.1 Pin Configuration Pin No. MAXIMUM RATINGS (Voltage referenced to Vss) Symbol Parameter Range ＶDD Supply Voltage -0.5～＋15 ＶIN Input Voltage -0.3～ＶDD＋0.3 IIN Input Current 10 TA Ｔstg Operating Temperature Storage Temperature -25 ～ +75 -55 ～ +125 ＴL Welding Temperature 260 PIN FUNCTIONAL DESCRIPTION Pin symbol Input/O Function Description utput Unit V V mA ℃ ℃ ℃ 1 ,2 C1 , C2 External capacitor A capacitor connected to the pins determines the gain connected to the pins of the photo amplifier. 3 DETECT Input Input to the photo This pin connects the cathode of the photo diode. The amplifier phot...