MC145012P Ver la hoja de datos (PDF) - Freescale Semiconductor

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Fabricante

MC145012P

Photoelectric Smoke Detector IC with I/O and Temporal Pattern Horn Driver

Freescale Semiconductor 

DETECT 3

OSC 12 OSC

R1 13

16

TEST

4

STROBE

LOW-SUPPLY 15

TRIP

C1 C2

12

AMP

-

VDD - 3.5 V

REF

COMP

+

Gate

On/off

Timing

Logic

GATE

ON/OFF VDD - 5 V

REF

Smoke

-

COMP

+

Alarm

Logic

7

I/O

Temporal Pattern Horn 8

Modulator

And Driver

9

10

6

BRASS

SILVER

FEEDBACK

IRED

11 LED

Pin 5 = VDD

Pin 14 = VSS

Figure 2. Block Diagram

MC145012

2

Sensors

Freescale Semiconductor

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