RE46C165 Microchip Technology Inc., RE46C165 Datasheet - Page 3

• Manufacturer Part Number: RE46C165
• Description: Cmos Photoelectric Smoke Detector Asic With Interconnect, Timer Mode And Alarm Memory
• Manufacturer: Microchip Technology Inc.

Typical Application
 2010 Microchip Technology Inc.
Note 1: C3 should be located as close as possible to the device power pins.
R6
R
R
1.0M
120k
2: C3 is typical for an alkaline battery. This capacitance should be increased to 4.7 µF or greater for a
3: R10, R11 and C6 are typical values and may be adjusted to maximize sound pressure.
ADJ1
ADJ2
1k
R2
5k
To Other Units
carbon battery.
100 µF
R3
8.2k
R1
4.7k
C4
C2 4.7 nF
Chamber
Photo
D5
D6
C1 47 nF
R7
22
330
R8
10 µF
249k
R5
560
C7
R4
Q3
1
2
3
4
5
6
7
8
C1
C2
DETECT
STROBE
V
IRED
IO
HORNB
DD
HORNS
ROSC
COSC
VSEN
FEED
TEST
V
LED
SS
12
11
10
16
15
14
13
9
RE46C165/6/7/8
Push-to-Test
C3
1 µF
(1,2)
R10
1.5M
1.0 nF
C6
(3)
(3)
100k
Battery
R9
9V
R11
220k
1.5 nF
DS22251A-page 3
R12
10M
C5
(3)
R13
330
D3