with Interconnect and Timer A5348 4 Allegro MicroSystems, LLC 115 Northeast Cutoff Worcester, Massachusetts 01615" />
參數(shù)資料
型號(hào)： A5348CA-T
廠商： Allegro Microsystems Inc
文件頁(yè)數(shù)： 4/9頁(yè)
文件大?。?/td> 0K
描述： IC SMOKE DETECTOR ION 16-DIP
標(biāo)準(zhǔn)包裝： 10,000
類型： 煙霧探測(cè)器
輸入類型： 離子化
輸出類型： 電壓
電流 - 電源： 12µA
安裝類型： 通孔
封裝/外殼： 16-DIP（0.300"，7.62mm）
供應(yīng)商設(shè)備封裝： 16-DIP
包裝： 管件
Ionization Smoke Detector
with Interconnect and Timer
A5348
4
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
ELECTRICAL CHARACTERISTICS1,2
at TA = 25°C, VDD = 9.0 V, VSS = 0 V, COSCCAP = 0.1 μF,
RTIMINGRES = 8.2 MΩ (unless otherwise noted)
Continued on the next page…
Characteristic
Symbol
Test Conditions
Test Pin
Min.
Typ.
Max.
Units
Supply Voltage Range
VDD
Operating
6
6.0
9.0
12
V
Supply Current
IDD
VDD = 9.0 V, no alarm, no loads
6
—
5.0
9.0
μA
VDD = 12 V, no alarm, no loads
6
—
12
μA
Detector Input Current
IDETECTIN 0% to 40% RH, VIN = 0 to 9.0 V
15
—
±1.0
pA
Input Offset Voltage
VOS(GUARD1) Active GUARD1
14, 15
—
±100
mV
VOS(GUARD2) Active GUARD2
16, 15
—
±100
mV
VOS
Detect comparator
15, 13
—
±50
mV
Hysteresis
VHYS
No alarm to alarm
13
90
130
170
mV
Common Mode Range
VCM(guard) Guard amplier
14, 15
2.0
—
VDD – 0.5
V
VCM
Smoke comparator
13, 15
0.5
—
VDD – 2.0
V
Active Guard Impedance
ZAG1
GUARD1 to VSS
14
—
10
—
kΩ
ZAG2
GUARD2 to VSS
16
—
500
—
kΩ
Oscillator Period
tosc
No alarm
12
1.34
1.67
2.00
s
tosc(alarm) Local or remote alarm
12
37.50
41.67
45.84
ms
Oscillator Pulse Width
tw(osc)
12
8.0
10
12
ms
Timer Mode Duration
ttimer
After TIMER START high-to-low,
no smoke
4
8.0
10
12
min
Low-Battery Threshold
VDD(th)
TA = 0°C to 50°C,
LOW-V SET open circuit
6
7.2
—
7.8
V
Sensitivity Adjust Voltage
VSET
VSENSITIVITYSET / VDD,
SENSITIVITY SET open circuit
13
48.5
50
51.5
%VDD
Horn Output Voltage
VOL
IOUT = 16 mA, VDD = 9.0 V
10, 11
—
0.1
0.5
V
IOUT = 16 mA, VDD = 7.2 V
10, 11
—
0.9
V
VOH
IOUT = –16 mA, VDD = 9.0 V
10, 11
8.5
8.8
—
V
IOUT = –16 mA, VDD = 7.2 V
10, 11
6.3
—
V
Horn Output On-Time
ton(horn)
Local or remote alarm
10,11
120
160
208
ms
tw(horn)
Low battery
10, 11
8
10
12
ms
Horn Output Off-Time
toff(horn)
Local or remote alarm
10, 11
60
80
104
ms
thorn
Low battery
10, 11
32
40
48
s
TIMER START Logic Levels
VIH
1
3.5
—
V
VIL
1
—
1.5
V
TIMER START Input Current
IIN
VTIMERSTART = 9.0 V
1
20
—
80
μA
TIMER OUT Pulldown Current
IPD
VTIMEROUT = 0.5 V
4
500
—
μA
LED Output-On Current
ILED
VDD = 7.2 V, VLED = 1.0 V
5
10
—
mA
LED Output On-Time
tw(LED)
5
8.0
10
12
ms
LED Output Off-Time
tLED1
No alarm, in standby
5
32
40
48
s
tLED2
No alarm, timer mode
5
8.0
10
12
s
tLED3
Local alarm or test alarm
5
0.76
0.97
1.14
s
tLED4
Remote alarm, no local smoke
5
—
No LED
pulses
—s
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