參數(shù)資料
型號(hào): A5364CA
廠商: Allegro MicroSystems, Inc.
英文描述: SMOKE DETECTOR WITH INTERCONNECT
中文描述: 煙霧探測(cè)器與互連
文件頁數(shù): 1/8頁
文件大?。?/td> 156K
代理商: A5364CA
SMOKE DETECTOR
WITH INTERCONNECT
The A5364CA is a low-current, CMOS 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 an alarm. In addition,
special features are incorporated to facilitate alignment and test of the
finished smoke detector. This device is designed to comply with
Underwriters Laboratories Specification UL217.
The internal oscillator and timing circuitry keeps standby power to
a minimum by powering down the device for 1.66 seconds and sensing
smoke for only 10 ms. Every 24 on/off cycles, a check is made for 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 A5364CA is supplied in a low-cost, 16-pin dual in-line plastic
package. It is rated for continuous operation over the temperature
range of 0
°
C to +50
°
C. Similar devices. with an internal timer to allow
for a period of reduced sensitivity (“hush”), are available as the
A5368CA.
Always order by complete part number:
A5364CA .
D
2
ABSOLUTE MAXIMUM RATINGS
(Voltages are referenced to V
SS
)
Supply Voltage Range,
V
DD
..........................
-0.5 V to +15 V
Reverse Battery (10.5 V) ................
20 s
Input Voltage Range,
V
IN
..................
-0.3 V to V
DD
+ 0.3 V
Input Current, I
IN
........................
10 mA
Operating Temperature Range,
T
A
...............................
0
°
C to +50
°
C
Storage Temperature Range,
T
S
.........................
-55
°
C to +125
°
C
CAUTION: CMOS devices have input static
protection but are susceptible to damage
when exposed to extremely high static
electrical charges.
1
2
3
4
5
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7
8
9
10
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15
16
LOGIC
OSC. &
TIMING
HORN
DRIVER
GUARD
DETECT. IN
GUARD
SENSITIVITY
SET
OSC. CAP.
HORN
HORN
– SUPPLY
NO CONNECT.
I / O
LOW-V SET
NO CONNECT.
LED
+ SUPPLY
TIMING RES.
FEEDBACK
1
V
DD
Dwg. PC-004-1
2
2
1
V
SS
NC
NC
FEATURES
I
Interconnect Up to 125 Detectors
I
Piezoelectric Horn Driver
I
Guard Outputs for Detector Input
I
Pulse Testing for Low Battery
I
Power-ON Reset
I
Internal Reverse Battery Protection
I
Built-In Hysteresis Reduces False Triggering
I
Temporal Horn Pattern
5364
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