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參數(shù)資料
| 型號： | MCZ145010EG |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Photoelectric Smoke Detector IC with I/O |
| 中文描述： | 光電感煙探測器集成電路/有我? |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 398K |
| 代理商： | MCZ145010EG |
Sensors
6
Freescale Semiconductor
MC145010
Figure 3. AC Characteristics vs. Supply
Figure 4. AC Characteristics vs. Temperature
Figure 5. RC Component Variation Overtemperature
16
TEST
This input has an on-chip pull-down device and is used to manually invoke a test mode. The
Push Button Test
mode is
initiated by a high level at pin 16 (usually depression of a S.P.S.T. normally-open push button switch to V
DD
). After one
oscillator cycle, IRED pulses approximately every 336 ms, regardless of the presence of smoke. Additionally, the amplifier
gain is increased by automatic selection of C1. Therefore, the background reflections in the smoke chamber may be
interpreted as smoke, generating a simulated-smoke condition. After the second IRED pulse, a successful test activates
the horn-driver and I/O circuits. The active I/O allows remote signaling for system testing. When the Push Button Test
switch is released, the Test input returns to V
SS
due to the on-chip pull-down device. After one oscillator cycle, the amplifier
gain returns to normal, thereby removing the simulated-smoke condition. After two additional IRED pulses, less than a
second, the IC exits the alarm mode and returns to standby timing.
Table 4. Pin Description
(Continued)
Pin
Symbol
Description
Pulse width of IRED
Period or pulse width
of other parameters
A
V
DD
, Power Supply Voltage (V)
1.02
0.98
0.96
1.00
1.04
6.0
7.0
8.0
9.0
10.0
12.0
11.0
P
ulse width of IRED
Period or pulse width
of other parameters
A
T
A
, Ambient Temperature (°C)
-10
0
10
20
40
50
60
1.02
1.01
0.99
0.98
1.00
30
V
DD
= 9.0 V
10 M
Carbon composition
100 k
Metal Film
1500 pF Dipped MICA
C
2
°
T
A
, Ambient Temperature (°C)
-10
0
10
20
30
40
50
60
1.03
1.02
1.01
1.00
0.99
0.98
Note: These components were used to generate
Figure 3.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCZ145010EGR2 | 功能描述:煙霧報警器 SMOKE DET.PHOTO RoHS:否 制造商:ELMOS Semiconductor 描述/功能:Smoke detector controller 感應(yīng)方式:Photoelectric 工作電源電壓:24 V 輸出信號類型: |
| MCZ145011DW | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Photoelectric Smoke Detector IC with I/O For Line-Powered Applications |
| MCZ145012EG | 功能描述:煙霧報警器 PHOTO SMKE DET/NFPA TONE RoHS:否 制造商:ELMOS Semiconductor 描述/功能:Smoke detector controller 感應(yīng)方式:Photoelectric 工作電源電壓:24 V 輸出信號類型: |
| MCZ145012EG/R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Photoelectric Smoke Detector IC with I/O and Temporal Pattern Horn Driver |
| MCZ145012EGR2 | 功能描述:煙霧報警器 PHOTO SMKE DET/NFPA RoHS:否 制造商:ELMOS Semiconductor 描述/功能:Smoke detector controller 感應(yīng)方式:Photoelectric 工作電源電壓:24 V 輸出信號類型: |
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