A5354 데이터 시트보기 (PDF) - Allegro MicroSystems
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A5354 Datasheet PDF : 8 Pages
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5354
SMOKE DETECTOR
with INTERCONNECT
ELECTRICAL CHARACTERISTICS at TA = +25°C, VDD = 9.0 V, VSS = 0 V, C12 = 0.1 µF,
R7 = 8.2 MΩ (unless otherwise noted).
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
Test
Pin
6
15
14-15
16-15
15-13
13
14-15
13-15
14
16
12
12
6
13
10-11
10-11
10-11
5
5
5
Test Conditions
Operating
0 to 40% RH, VIN = 0 to 9.0 V
Active Guard
Active Guard
Detect Comparator
No Alarm to Alarm
Guard Amplifier
Smoke Comparator
to VSS
to VSS
No Alarm
Alarm
TA = 0°C to 50°C
V13/VDD, pin 13 open circuit
IOUT = 16 mA, VDD = 9.0 V
I = 16 mA, V = 7.2 V
OUT
DD
I = -16 mA, V = 9.0 V
OUT
DD
I = -16 mA, V = 7.2 V
OUT
DD
Alarm
Low Battery
Alarm
Low Battery
VDD = 7.2 V, VOUT = 1.0 V
No Alarm, In Standby
Min.
6.0
—
—
—
—
90
2.0
0.5
—
—
1.34
32
8.0
7.2
48.5
—
—
8.5
6.3
120
8.0
60
32
10
8.0
32
Limits
Typ. Max. Units
9.0
12
V
—
±1.0
pA
—
±100 mV
—
±100 mV
—
±50
mV
130
170
mV
— VDD - 0.5 V
— VDD - 2.0 V
10
—
kΩ
500
—
kΩ
1.67
2.00
s
40
48
ms
10
12
ms
—
7.8
V
50
51.5
%
0.1
0.5
V
—
0.9
V
8.8
—
V
—
—
V
160
208
ms
10
12
ms
80
104
ms
40
48
s
—
—
mA
10
12
ms
40
48
s
NOTE 1: Negative current is defined as coming out of (sourcing) the specified device pin.
NOTE 2: Alarm (Smoke) Condition is defined as V15 < V13; No Alarm (No Smoke) Condition as V15 > V13.
Continued next page . . .
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