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5354 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 5354
部品説明 SMOKE DETECTOR WITH INTERCONNECT
メーカ Allegro MicroSystems
ロゴ Allegro MicroSystems ロゴ 



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5354 Datasheet, 5354 PDF,ピン配置, 機能
5354
NO CONNECT. 1 NC
I/O 2
LOW-V SET 3
NO CONNECT. 4 NC
LED 5
LOGIC
OSC. &
TIMING
16 GUARD 2
15 DETECT. IN
14 GUARD1
13
SENSITIVITY
SET
12 OSC. CAP.
+ SUPPLY 6 V DD
TIMING RES. 7
HORN
DRIVER
FEEDBACK 8
11 HORN 2
10 HORN 1
V SS 9 – SUPPLY
Dwg PC-004-1
SMOKE DETECTOR
WITH INTERCONNECT
The A5354CA 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 A5354CA 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
A5348CA.
ABSOLUTE MAXIMUM RATINGS
(Voltages are referenced to VSS)
Supply Voltage Range,
VDD ................................ -0.5 V to +15 V
Reverse Battery (10.5 V) ....................... 20 s
Input Voltage Range,
VIN ........................ -0.3 V to VDD + 0.3 V
Input Current, IIN ............................... 10 mA
Operating Temperature Range,
TA ..................................... 0°C to +50°C
Storage Temperature Range,
TS ............................... -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.
FEATURES
s Interconnect Up to 125 Detectors
s Piezoelectric Horn Driver
s Guard Outputs for Detector Input
s Pulse Testing for Low Battery
s Power-ON Reset
s Internal Reverse Battery Protection
s Built-In Hysteresis Reduces False Triggering
Always order by complete part number: A5354CA .

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