RE46C166S Просмотр технического описания (PDF) - Microchip Technology

Номер в каталоге

Компоненты Описание

производитель

RE46C166S

CMOS Photoelectric Smoke Detector ASIC with Interconnect, Timer Mode and Alarm Memory

Microchip Technology 

RE46C165/6/7/8

Typical Application

RADJ1

1.0M

R3

8.2k

C1 47 nF

R2

5k

RADJ2

120k

C2 4.7 nF R4

560

R1

4.7k

D6

R5

249k

Photo

Chamber

R6 1k

C4

100 µF

D5 Q3

R7

22

To Other Units

R8

330

C7

10 µF

1 C1

2 C2

3 DETECT

4 STROBE

5 VDD

6 IRED

7 IO

8 HORNB

Push-to-Test

TEST 16

VSEN 15

VSS 14

C3 (1,2)

1 µF

9V

Battery

R12

10M

C5

1.5 nF

R9

ROSC 13

100k

D3

COSC 12

R13

LED 11

330

FEED 10

HORNS 9

C6(3)

1.0 nF

R11(3)

220k

R10(3)

1.5M

Note 1: C3 should be located as close as possible to the device power pins.

2: C3 is typical for an alkaline battery. This capacitance should be increased to 4.7 µF or greater for a

carbon battery.

3: R10, R11 and C6 are typical values and may be adjusted to maximize sound pressure.

 2010 Microchip Technology Inc.

DS22251A-page 3

Share Link: