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参数资料
| 型号： | A5303SLETR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 11/15页 |
| 文件大小： | 0K |
| 描述： | IC SMOKE DETECTOR PHOTO 20TSSOP |
| 特色产品： | A5303 Standard 3V Smoke Detector IC |
| 标准包装： | 1 |
| 类型： | 烟雾探测器 |
| 输入类型： | 光电 |
| 输出类型： | 电压 |
| 电流 - 电源： | 300µA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 标准包装 |
| 其它名称： | 620-1346-6 |
Photoelectric Smoke Detector
with Interconnect, Timer, and Latching Alarm Indicator
A5303
5
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
SOUTx Output Warning Period
tsoutx
Low supply or degraded chamber
212
38.9
43
47.1
s
SOUTx Output Warning Pulse Width
tw(soutx)
Low supply or degraded chamber
1
9.5
10.5
11.5
ms
Horn Warning Pulse Period
thorn
Low battery or degraded chamber
212
38.9
43
47.1
s
Horn Warning Pulse Width
tw(horn)
Low battery or degraded chamber
1
9.5
10.5
11.5
ms
Horn Warning Pulse Spacing
tsp(horn)
3 chirps, degraded chamber
26
0.60
0.67
0.74
s
Horn On-Time
ton(horn)
Local, remote, or test alarm
48
450
500
550
ms
Horn Off-Time
toff1(horn)
Local, remote, or test alarm (see Timing
Diagrams section)
48
450
500
550
ms
toff2(horn)
Local, remote, or test alarm (see Timing
Diagrams section)
144
1350
1500
1650
ms
Timer Mode Duration
ttimer
57344
9.0
10.0
11.0
min
Failed Push-Test Indication on SOUTx
tFAIL
After TEST input goes low
211 to
3072
211 ×
tosc
21.5 –
32.3
3072 ×
tosc
s
1
Limits over the operating temperature range are based on characterization data. Characteristics are production tested at 25°C only.
2
Typical values are at 25°C and are given for circuit design information only.
AC ELECTRICAL CHARACTERISTICS (continued)1 Valid at TA = 25°C, VDD = 2.3 to 5.5 V, configured as in Typical Application
Diagram (unless otherwise noted)
Characteristics
Symbol
Test Conditions
OSC
Count
Min.
Typ.2
Max.
Unit
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