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A5358CLWTR-T

更新时间： 2024-11-07 12:51:19
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急速微 - ALLEGRO 模拟IC光电信号电路光电二极管信息通信管理
页数 文件大小 规格书
13页 326K
描述
The A5358 is a low-current BiCMOS circuit providing all of the required features for a photoelectric type smoke detector.

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中文翻译

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A5358CLWTR-T 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP, SOP16,.4针数：16
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：5.52Is Samacsys：N
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-PDSO-G16
JESD-609代码：e3长度：10.3 mm
湿度敏感等级：3功能数量：1
端子数量：16最高工作温度：75 °C
最低工作温度：-25 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP16,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260电源：6/12 V
认证状态：Not Qualified座面最大高度：2.65 mm
子类别：Other Analog ICs最大供电电压 (Vsup)：12 V
最小供电电压 (Vsup)：6 V标称供电电压 (Vsup)：9 V
表面贴装：YES技术：BICMOS
温度等级：COMMERCIAL EXTENDED端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：7.5 mmBase Number Matches：1

A5358CLWTR-T 数据手册

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A5358  
Photoelectric Smoke Detector  
with Interconnect and Timer  
Features and Benefits  
Description  
▪ Low average standby current for long battery life  
▪ Interconnect up to 50 detectors  
▪ Piezoelectric horn driver  
▪ Low battery detection (all internal)  
▪ Chamber sensitivity test and alarm  
▪ Power-on reset (POR)  
▪ Internal timer and control for reduced sensitivity mode  
▪ Built-in circuits to reduce false triggering  
▪ 6 to 12 V operating range  
The A5358 is a low-current BiCMOS circuit providing all of  
the required features for a photoelectric type smoke detector.  
Thisdevicecanbeusedwithaninfraredphotoelectricchamber  
to sense scattered light from smoke particles. A networking  
capability allows as many as 50 units to be interconnected so  
that if any unit senses smoke all units will sound an alarm.  
Special features are incorporated in the design to facilitate  
calibration and testing of the finished detector. The device is  
designed for applications that comply with European Standard  
EN 14604 and British Standard BS 5446, Part 1.  
▪ ESD protection circuitry on all pins  
A variable-gain photoamplifier can be directly interfaced to  
an infrared emitter-detector pair. The amplifier gain levels are  
determinedbytwoexternalcapacitorsandareinternallyselected  
depending on the operating mode. Low gain is selected during  
standby and timer modes. During a local alarm, this low gain  
is increased (internally) by approximately 10% to reduce false  
triggering. High gain is used during pushbutton test and to  
periodically monitor the chamber sensitivity during standby.  
Packages:  
16-pin DIP  
(Package A)  
Theinternaloscillatorandtimingcircuitrykeepstandbypower  
to a minimum by sensing for smoke for only 100 μs every 10 s.  
Aspecial three-stage–speedup sensing scheme is incorporated  
to minimize the time to an audible alarm and also to reduce  
falsetriggering. Chambersensitivityisperiodicallymonitored  
andtwoconsecutivecyclesofdegradedsensitivityarerequired  
for a warning signal (chirp) to occur.  
16-pin SOICW  
(Package LW)  
TheA5358 is supplied in a 16-pin dual in-line plastic package  
(suffix A), and for surface mount, a 16-pin SOICW (suffix  
LW). The lead (Pb) free versions (suffix –T) have 100% matte-  
tin leadframe plating. The devices are rated for continuous  
operation over the temperature range of –25°C to 75°C.  
Not to scale  
Typical Application Diagram  
VDD  
0.047 μF  
1
2
9 V  
8.2 kΩ  
5 kΩ  
Rx1  
Rx2  
C1  
C2  
16  
22 μF  
TEST  
A5358  
Push-to-Test  
1500 pF  
A
4.7 kΩ  
15  
560 Ω  
HUSH  
3
4
5
4700 pF  
DETECT  
STROBE  
Red LED  
B
14  
13  
VSS  
VDD  
Connect to allow timer mode  
("hush") operation  
A
B
C
200 kΩ  
10 MΩ  
TIMING RES  
100 kΩ  
Connect HUSH to VSS  
to disable timer mode  
1 kΩ  
12  
11  
6
330 Ω  
OSC CAP  
LED  
IRED  
I/O  
Smoke  
Chamber  
Value of component can vary,  
based on the piezoelectric horn used  
7
8
C
220 kΩ  
22 Ω  
10  
9
FEEDBACK  
HORN2  
100 μF  
1000 pF  
C
HORN1  
Piezo Horn  
220 Ω  
1.5 MΩ  
C
To / from  
other units  
26110.10-DS, Rev. I  
1234567...13

中文翻译

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