5358中文资料ALLEGRO数据手册PDF规格书

PHOTOELECTRIC SMOKE DETECTOR WITH INTERCONNECT AND TIMER

The A5358CA is a low-current BiCMOS circuit providing all of the required features for a photoelectric type smoke detector. This device 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. The device is designed to comply with Underwriters Laboratories Specification UL217 and British Standard BS 5446, Part 1.

FEATURES

■ Interconnect Up to 50 Detectors

■ Piezoelectric Horn Driver

■ All Internal Low-Battery Detection

■ Power-ON Reset

■ Internal Timer & Control for Reduced Sensitivity

■ Built-In Circuits to Reduce False Triggering

■ 6 V to 12 V Operating Voltage Range

■ ESD-Protection Circuitry on All Pins