BL59A66 参数 Datasheet PDF下载

BL59A66 datasheet

1. Introduction:

The BL59A66 is a low-current BiCMOS circuit providing all of the features for a photoelectric

type smoke detector. BL59A66 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.

2.1 Applied Area:

Photoelectric Type Smoke Detector System。

2.2

2.2.1

2.2.2

2.2.3

2.2.4

2.2.5

2.2.6

2.2.7

2.2.8

2.2.9

Features:

6 V to 12 V Operating Voltage Range

Internal Timer & Control for Reduced Sensitivity

Supply Voltage current：0~10uA

Operating Temperature Range：－25½75℃

Power-ON Reset

ESD and Latch-up Protection Circuitry on All Pins

Piezoelectric Horn Driver

Interconnect Up to 50 Detectors

Continuous Modulated Tone Output For a Local or Remote Alarm Condition

2.3

FUNCTIONAL BLOCK DIAGRAM

2.4 Pin Description

2.5

Pin function