a5364 Allegro MicroSystems, Inc., a5364 Datasheet - Page 3

• Manufacturer Part Number: a5364
• Description: Ionization Smoke Detector With Interconnect
• Manufacturer: Allegro MicroSystems, Inc.

A5364
SENSITIVITY SET
9V
+Supply
LOW-V SET
-Supply
VSS
VDD
Low Battery
SSamp
Sample
Sample
Smoke
LBSamp
1.1 MΩ
600 kΩ
500 kΩ
Band
GUARD1
Gap
+
_
+
_
+
_
Comparator
Low Battery
Smoke
Comparator
Functional Block Diagram
DETECT IN
ION CHAMBER
+ V
LBSamp
SSamp
DD
Logic
I/O
GUARD2
and Timing
Oscillator
V
DD
Power-on
Ionization Smoke Detector
Reset
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
with Interconnect
FEEDBACK
HORN2
HORN1
LED
TIMING RES
OSC CAP
+ V
+ V
DD
DD
3