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參數(shù)資料
| 型號： | A5367CA-T |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數(shù)： | 1/10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 A5367 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 device is Recognized by Underwriters Laboratories for
use in smoke alarms that comply with Standard UL217 or
UL268, per file #S2113.
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 A5367 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.
26110.9 Rev. I
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
Temporal horn pattern, per UL217, NFPA72, and ISO8201
UL Recognized for UL217 or UL268 applications
Ionization Smoke Detector
with Interconnect and Timer
Typical Application
A5367
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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