A5349 데이터 시트보기 (PDF) - Allegro MicroSystems
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A5349 Datasheet PDF : 8 Pages
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5349
AC SMOKE DETECTOR
with INTERCONNECT
and TIMER
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
Test
Pin
Test Conditions
Min.
Limits
Typ. Max.
Units
Supply Voltage Range
Detector Input Current
Input Offset Voltage
Hysteresis
Common Mode Range
Active Guard Impedance
Oscillator Period
Oscillator Pulse Width
Timer Period
Low Voltage Threshold
Sensitivity Adj. Voltage
Horn Output Voltage
Horn Output ON Time
6
15
14-15
16-15
15-13
13
14-15
13-15
14
16
12
4
4
6
13
10-11
10-11
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
After Pin 1 High-to-Low, No Smoke
TA = 0 to 50°C
V13 / VDD, pin 13 open circuit
IOUT = 16 mA, VDD = 9.0 V
IOUT = 16 mA, VDD = 7.2 V
IOUT = -16 mA, VDD = 9.0 V
IOUT = -16 mA, VDD = 7.2 V
Alarm
6.0
—
—
—
—
90
2.0
0.5
—
—
1.34
32
8.0
8.0
7.2
48.5
—
—
8.5
6.3
120
9.0
—
—
—
—
130
—
—
10
500
1.67
40
10
10
—
50
0.1
—
8.8
—
160
12
V
±1.0
pA
±100 mV
±100 mV
±50
mV
170
mV
VDD - 0.5 V
VDD - 2.0 V
—
kΩ
—
kΩ
2.00
s
48
ms
12
ms
12
min
7.8
V
51.5
%
0.5
V
0.9
V
—
V
—
V
208
ms
Horn Output OFF Time
10-11
Low Battery
Alarm
Low Battery
8.0
10
12
ms
60
80
104
ms
32
40
48
s
Timer Start Logic Levels
1
VIH
3.5
VIL
—
Timer Start Input Current
1
VIN = 9.0 V
20
Timer Out Output Current
4
VOUT = 0.5 V
500
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.
—
—
V
—
1.5
V
—
80
µA
—
—
µA
Continued next page . . .
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