Datasheet > 5350

5350

更新时间： 2022-11-26 01:13:54

品牌	Logo	应用领域
急速微 - ALLEGRO		/
页数	文件大小	规格书
8页	78K
描述
SMOKE DETECTOR WITH INTERCONNECT

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5350 数据手册

5350

SMOKE DETECTOR

WITH INTERCONNECT

The A5350CA 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.

NO CONNECT.

I / O

GUARD

DETECT. IN

LOGIC

LOW-V SET

NO CONNECT.

LED

GUARD

SENSITIVITY

SET

OSC. &

TIMING

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.

OSC. CAP.

+ SUPPLY

HORN

DRIVER

TIMING RES.

FEEDBACK

HORN

– SUPPLY

The A5350CA 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.

Dwg. PC-004-1

FEATURES

■ Interconnect Up to 125 Detectors

■ Piezoelectric Horn Driver

■ Guard Outputs for Detector Input

■ Pulse Testing for Low Battery

■ Power-ON Reset

ABSOLUTE MAXIMUM RATINGS

(Voltages are referenced to V_SS)

■ Internal Reverse Battery Protection

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.

Always order by complete part number: A5350CA .

12 3 4 5 6 7 8

中文翻译

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