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2012-03-28

PHOTOELECTRIC SMOKE DETECTOR

WITH INTERCONNECT

SMOKE DETECTOR

M75310

一華半導體股份有限公司

MOSDESIGN SEMICONDUCTOR CORP.

APPLICATION DIAGRAM

(一) STAND-ALONE：

1. Value for R11、R12 and C6 may differ depending on type of piezoelectric horn used.

2. C2 and R7 are used for coarse sensitivity adjustment. Typical values are shown.

3. C4 should be 22μF if B1 is a carbon battery. C4 could be reduced to 1μF when an alkaline battery is used.

C1 0.047μF

R1 5.6KΩ

C2 4700pF

R2 5KΩ

C3 100μF

R3 8.2KΩ

C4 22μF

R4 1KΩ

C5 1500pF

R5 560Ω

C6 1000pF

R6 200KΩ

R7 4.7Ω~22Ω

R8 330Ω

R9 10MΩ

R10 100KΩ

R11 200KΩ

R12 2MΩ

R13 220Ω

R14 100KΩ

R15 33KΩ

M75310P

116

89

R1

VDD

VDD

R9

R11

R6

R2

R5

STROBE

DETECT

R3

C2

9V

C1

R10

R12

C4

C6

TRIP

TEST

C5

R7

C2

TO/FROM

UNITS

OTHER

C1

R13

R8

I/O

IRED

HORN1

OSCR

VSS

LED

OSCC

HORN2

FEEDBACK

C3

TEST

TO

PUSH

R4

D1

R14

R15