Photoelectric Smoke Detector
with Interconnect and Timer
A5358
DC ELECTRICAL CHARACTERISTICS at TA = –25°C to 75°C1. VSS = 0 V, in typical application (unless otherwise noted)
Characteristic
Symbol
Test Conditions
Test Pin
VDD
Min.
Typ.2
Max.
Units
Supply Voltage Range
VDD
5
–
6.0
–
12
V
Average in standby mode, configured per
typical application
5
5
5
12
12
12
–
–
–
–
–
–
9
ꢀA
mA
mA
During STROBE on, IRED off, configured per
typical application
Operating Supply Current
IDD
2.0
3.0
During STROBE on, IRED on, configured per
typical application
7
10
9
9
–
–
–
–
1.5
2.7
7.0
0.5
–
V
V
Low-Level Input Voltage
High-Level Input Voltage
VIL
16
9
–
–
V
15
9
–
–
V
7
9
3.2
6.3
8.5
1.6
–
–
V
10
9
–
–
V
VIH
16
9
–
–
V
15
9
–
–
V
VIN = VDD, STROBE active, OSC CAP = VDD
1, 2
3, 10, 12
1, 2, 3
10, 12
15, 16
16, 15
7
12
12
12
12
12
9
–
100
100
–100
–100
–1.0
10
nA
nA
nA
nA
ꢀA
ꢀA
ꢀA
ꢀA
V
Input Leakage High
Input Leakage Low
IIH
VIN = VDD
–
–
VIN = VST, STROBE active, OSC CAP = VDD
–
–
IIL
–
–
VIN = VSS
–
–
VIN = VDD
0.25
20
–
–
Input Pull-Down Current
IIN
No local smoke, VIN = VDD
No local smoke, VIN = 17 V
IO = 10 mA
9
–
80
7
12
6.5
6.5
6.5
6.5
–
140
0.6
1.0
–
11
–
–
Low-Level Output Voltage
High-Level Output Voltage
VOL
IO = 16 mA
8, 9
13
–
–
V
IO = 5 mA
–
0.5
–
V
VOH
IO = –16 mA
8, 9
5.5
–
V
VDD
– 0.1
Inactive, IO = –1 ꢀA
4
12
–
–
V
Strobe Output Voltage
VST
VDD
– 5.25
VDD
– 4.75
Active, IO = 100 to 500 ꢀA
Active, VDD = 6 to 12 V
VDD = 6 to 12 V
4
4
4
9
–
–
–
V
Line Regulation
ΔVST(ΔVDD)
–
–
–60
0.01
–
–
dB
Strobe Temperature
Coefficient
αST
%/°C
Inactive, IO = 1 ꢀA, TA = 25°C
6
6
12
9
–
–
0.1
V
V
IRED Output Voltage
VIRED
Active, IO = –6 mA, TA = 25°C
2.85
3.1
3.35
Continued on the next page…
Allegro MicroSystems, LLC
115 Northeast Cutoff
4
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
