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參數(shù)資料
| 型號： | A5348CA-T |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SMOKE DETECTOR ION 16-DIP |
| 標(biāo)準(zhǔn)包裝： | 10,000 |
| 類型： | 煙霧探測器 |
| 輸入類型： | 離子化 |
| 輸出類型： | 電壓 |
| 電流 - 電源： | 12µA |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 16-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 16-DIP |
| 包裝： | 管件 |
Description
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.
The internal oscillator and timing circuitry keep standby power
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.
The A5348 is supplied in a low-cost 16-pin dual in-line plastic
package (DIP). It is rated for continuous operation over the
temperature range of –10°C to 60°C. The Pb (lead) free version
(suffix –T) has 100% matte tin leadframe plating.
26110.3 Rev. 4
Features and Benefits
Low average standby current for long battery life
Interconnect up to 125 detectors
Piezoelectric horn driver
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
Ionization Smoke Detector
with Interconnect and Timer
Typical Application
A5348
TIMER START
I/O
LOW-V SET
TIMER OUT
LED
VDD
TIMING RES
FEEDBACK
GUARD2
DETECT IN
GUARD1
SENSITIVITY SET
OSC CAP
HORN2
HORN1
VSS
Timer
Mode
To / from
other units
9
10
11
12
13
14
15
16
200 kΩ
50 kΩ
200 k Ω
200 Ω
8.2 MΩ
1 μF
0.1 μF
1.5 MΩ
220 kΩ
Push
to Test
0.001 μF
330 Ω
9 V
A
B
C
D
A
B
Use an external resistor to adjust
sensitivity for a particular smoke chamber.
Select resistor to reduce sensitivity
during Timer mode.
C
D
A resistor to VSS or VDD may
be added to this pin to modify
low battery voltage threshold.
Value of component will vary, based on
the piezoelectric horn used.
1
2
3
4
5
6
7
8
Package: 16-pin DIP (suffix A):
Not to scale
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A5349CA | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:AC SMOKE DETECTOR WITH INTERCONNECT AND TIMER |
| A53506 | 制造商:n/a 功能描述:Ships in 2 days |
| A5350CA | 功能描述:IC SMOKE DETECTOR ION 16-DIP RoHS:否 類別:集成電路 (IC) >> 接口 - 傳感器和探測器接口 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數(shù)字 輸出類型:數(shù)字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 |
| A5350CA-T | 功能描述:IC SMOKE DETECTOR ION 16-DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 傳感器和探測器接口 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數(shù)字 輸出類型:數(shù)字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 |
| A5354CA | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:SMOKE DETECTOR WITH INTERCONNECT |
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