a5354 Allegro MicroSystems, Inc., a5354 Datasheet - Page 3

• Manufacturer Part Number: a5354
• Description: Smoke Detector With Interconnect
• Manufacturer: Allegro MicroSystems, Inc.

NOTE 1: Negative current is defined as coming out of (sourcing) the specified device pin.
NOTE 2: Alarm (Smoke) Condition is defined as V
Characteristic
Supply Voltage Range
Detector Input Current
Input Offset Voltage
Hysteresis
Common Mode Range
Active Guard Impedance
Oscillator Period
Oscillator Pulse Width
Low Voltage Threshold
Sensitivity Adjust Voltage
Horn Output Voltage
Horn Output ON Time
Horn Output OFF Time
LED Output ON Current
LED Output ON Time
LED Output OFF Time
14-15
16-15
15-13
13-15
10-11
10-11
14-15
10-11
Test
Pin
15
13
14
16
12
12
13
6
6
5
5
5
15
< V
13
; No Alarm (No Smoke) Condition as V
Operating
0 to 40% RH, V
Active Guard
Active Guard
Detect Comparator
No Alarm to Alarm
Guard Amplifier
Smoke Comparator
to V
to V
No Alarm
Alarm
T
V
I
I
I
I
Alarm
Low Battery
Alarm
Low Battery
V
No Alarm, In Standby
OUT
OUT
OUT
OUT
A
13
DD
/V
= 0 C to 50 C
SS
SS
= 7.2 V, V
= 16 mA, V
= 16 mA, V
= -16 mA, V
= -16 mA, V
DD
, pin 13 open circuit
Test Conditions
OUT
IN
DD
DD
DD
DD
= 0 to 9.0 V
= 1.0 V
= 9.0 V
= 7.2 V
= 9.0 V
= 7.2 V
15
> V
with INTERCONNECT
13
SMOKE DETECTOR
.
Min.
1.34
48.5
120
6.0
2.0
0.5
8.0
7.2
8.5
6.3
8.0
8.0
90
32
60
32
10
32
—
—
—
—
—
—
—
—
Typ.
1.67
130
500
160
9.0
0.1
8.8
10
40
10
50
10
80
40
10
40
—
—
—
—
—
—
—
—
—
—
Limits
Continued next page . . .
V
V
DD
DD
Max.
2.00
51.5
170
208
104
7.8
0.5
0.9
12
100
100
48
12
12
48
12
48
—
—
—
—
—
1.0
50
- 0.5
- 2.0
5354
Units
mV
mV
mV
mV
mA
k
k
ms
ms
ms
ms
ms
ms
pA
%
V
V
V
V
V
V
V
V
s
s
s