a5349 Allegro MicroSystems, Inc., a5349 Datasheet - Page 3
a5349
Manufacturer Part Number
a5349
Description
Ac Ionization Smoke Detector With Interconnect And Timer
Manufacturer
Allegro MicroSystems, Inc.
Datasheet
1.A5349.pdf
(9 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
a5349CA
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
A5349
SENSITIVITY SET
9V
+Supply
LOW-V SET
-Supply
VSS
VDD
Low Supply
SSamp
Sample
Sample
Smoke
LSSamp
1.1 MΩ
600 kΩ
500 kΩ
Band
GUARD1
Gap
+
_
+
_
+
_
Comparator
Low Supply
Smoke
Comparator
Functional Block Diagram
DETECT IN
ION CHAMBER
+ V
LSSamp
SSamp
DD
Logic
I/O
GUARD2
and Timing
Oscillator
AC Ionization Smoke Detector
V
DD
with Interconnect and Timer
Power-on
Reset
TIMER START
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
FEEDBACK
HORN2
HORN1
LED
TIMING RES
OSC CAP
TIMER OUT
+ V
+ V
DD
DD
3