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A5348CA-T PDF预览

A5348CA-T

更新时间: 2024-11-07 12:51:19
品牌 Logo 应用领域
急速微 - ALLEGRO 模拟IC信号电路光电二极管信息通信管理
页数 文件大小 规格书
9页 282K
描述
The A5348 is a low-current, BiCMOS circuit providing all of the required features for an ionization-type smoke detector.

A5348CA-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:DIP
包装说明:DIP, DIP16,.3针数:16
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.08模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:R-PDIP-T16JESD-609代码:e3
长度:19.05 mm功能数量:1
端子数量:16最高工作温度:60 °C
最低工作温度:-10 °C封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP16,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:9 V
认证状态:Not Qualified座面最大高度:5.33 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:NO技术:BICMOS
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

A5348CA-T 数据手册

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A5348  
Ionization Smoke Detector  
with Interconnect and Timer  
Features and Benefits  
Description  
Low average standby current for long battery life  
Interconnect up to 125 detectors  
Piezoelectric horn driver  
The A5348 is a low-current, BiCMOS circuit providing  
all of the required features for an ionization-type smoke  
detector. A networking capability allows as many as 125  
units to be interconnected so that if any unit senses smoke all  
units will sound their alarm. In addition, special features are  
incorporated to facilitate alignment and test of the finished  
smoke detector.  
Guard outputs for detector input  
Pulse testing for low battery  
Power-on reset (POR)  
Internal reverse battery protection  
Timer (Hush) mode for enabling reduced sensitivity period  
Built-in hysteresis reduces false triggering  
Theinternaloscillatorandtimingcircuitrykeepstandbypower  
to a minimum by powering down the device for 1.66 seconds  
and sensing for smoke for only 10 ms. Every 24 on-off cycles,  
a check is made for a low battery condition. By substituting  
other types of sensors or a switch for the ionization detector,  
this very-low–power device can be used in numerous other  
battery-operated safety/security applications.  
Package: 16-pin DIP (suffix A):  
TheA5348 is supplied in a low-cost 16-pin dual in-line plastic  
package (DIP). It is rated for continuous operation over the  
temperaturerangeof10°Cto60°C.ThePb(lead)freeversion  
(suffix –T) has 100% matte tin leadframe plating.  
Not to scale  
Typical Application  
Use an external resistor to adjust  
sensitivity for a particular smoke chamber.  
A
Timer  
200 kΩ  
Mode  
16  
15  
14  
1
2
200 kΩ  
GUARD2  
DETECT IN  
GUARD1  
TIMER START  
I/O  
Select resistor to reduce sensitivity  
during Timer mode.  
B
C
50 kΩ  
200 Ω  
Push  
to Test  
A resistor to VSS or VDD may  
be added to this pin to modify  
low battery voltage threshold.  
To / from  
other units  
A5348  
3
4
C
LOW-V SET  
TIMER OUT  
13  
12  
D Value of component will vary, based on  
the piezoelectric horn used.  
A
SENSITIVITY SET  
OSC CAP  
330 Ω  
5
6
LED  
0.1 μF  
9 V  
11  
10  
9
VDD  
HORN2  
HORN1  
VSS  
8.2 MΩ  
7
8
TIMING RES  
1 μF  
1.5 MΩ  
FEEDBACK  
B
D
220 kΩ  
0.001μF  
D
D
26110.3 Rev. 4  

A5348CA-T 替代型号

型号 品牌 替代类型 描述 数据表
A5348CA ALLEGRO

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