A5338 데이터 시트보기 (PDF) - Allegro MicroSystems

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A5338

Smoke Detector with Interconnect and Timer

Allegro MicroSystems 

A5338 Smoke Detector with Interconnect and Timer

Timing Requirements: Nontimer Mode

(Circuit Shown in Typical Application)

1.67 s

Internal

Oscillator

10 ms

24 Cycles

LED

Internal

Smoke

Comparator

LED Off

LED On

Ssmple

HORNx

Smoke

Chamber

Condition

VDETECT_IN > VSENSITIVITY_SET

(no smoke)

40 ms

24 Cycles

12 Cycles

6 Cycles

6 Cycles

HORN On

HORN Off

VDETECT_IN < VSENSITIVITY_SET

(smoke)

30 Cycles

Low Battery

Warning

VDETECT_IN > VSENSITIVITY_SET

(no smoke)

Dwg. WC-003

Timing Requirements: Timer Mode

(Circuit Shown in Typical Application)

OSC CAP

1.67 s

Internal

Oscillator

TIMER START

10 ms

232 Cycles

TIMER OUT

LED

6 Cycles

LED On

Outputs Off (High Z)

Dwg. WC-005-3

26110.1

Allegro MicroSystems, Inc.

6

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

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