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參數(shù)資料
| 型號： | MC145011P |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 7/12頁 |
| 文件大小： | 0K |
| 描述： | IC SMOKE DETECT PHOTOELEC 16-DIP |
| 標準包裝： | 25 |
| 類型： | 煙霧探測器 |
| 輸入類型： | 光電 |
| 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） |
| 供應商設備封裝： | 16-PDIP |
| 包裝： | 管件 |
Sensors
4
Freescale Semiconductor
MC145011
Archived by Freescale Semiconductor, Inc., 2009
Archive
Information
Archive
Information
Table 3. AC Electrical Characteristics
(Reference Timing Diagram Figure 6 and Figure 7) (TA = 25°C, VDD = 9.0 V, Component Values from Figure 8: R1 = 100.0 KΩ,
C3 = 1500.0 pF, R2 = 10.0 M
Ω)
No.
Characteristic
Symbol
Test Condition
Min
Max
Unit
1
Oscillator Period(1)
1. Oscillator period T (= TR + TF) is determined by the external components R1, R2, and C3 where TR = (0.6931) R2 C3 and
TF = (0.6931) R1 C3. The other timing characteristics are some multiple of the oscillator timing as shown in the table.
1/fOSC
Free-Running Sawtooth
Measured at Pin 12
9.5
11.5
ms
2
LED Status
tLED
No Local Smoke, and
No Remote Smoke
Illuminated
3
Remote Smoke, but
No Local Smoke
Illuminated
4
Local Smoke or Push
button Test
Extinguished
5
STROBE Pulse Width
tW(STB)
9.5
11.5
ms
6
IRED Pulse Period
tIRED
Smoke Test
9.67
11.83
s
7
Chamber Sensitivity Test,
without Local Smoke
38.9
47.1
8
Push button Test
0.302
0.370
9
IRED Pulse Width
tw(IRED)
94
116
μs
10
IRED Rise Time
tR
—
30
μs
IRED Fall Time
tF
—
200
11
SILVER and BRASS Modulation Period
tMOD
Local or Remote Smoke
297
363
ms
11, 12 SILVER and BRASS Duty Cycle
tON/tMOD Local or Remote Smoke
73
77
%
13
SILVER and BRASS Chirp Pulse Period
tCH
Low Supply or Degraded
Chamber Sensitivity
38.9
47.1
s
14
SILVER and BRASS Chirp Pulse Width
tW(CH)
Low Supply or Degraded
Chamber Sensitivity
9.5
11.5
ms
15
Rising Edge on I/O to Smoke Alarm Response Time
tRR
Remote Smoke,
No Local Smoke
—
800
ms
16
Strobe Pulse Period
tSTB
Smoke Test
9.67
11.83
s
17
Chamber Sensitivity Test,
without Local Smoke
38.9
47.1
18
Low Supply Test,
without Local Smoke
38.9
47.1
19
Push button Test
0.302
0.370
Table 4. Pin Description
Pin No.
Pin Name
Description
1
C1
A capacitor connected to this pin as shown in Figure 8. determines the gain of the on-chip photo amplifier during push
button test and chamber sensitivity test (high gain). The capacitor value is chosen such that the alarm is tripped from
background reflections in the chamber during push button test.
Av ≈ 1 + (C1/10) where C1 is in pF. CAUTION: The value of the closed-loop gain should not exceed 10,000.
2
C2
A capacitor connected to this pin as shown in Figure 8. determines the gain of the on-chip photo amplifier except during
push button or chamber sensitivity tests.
Av ≈ 1 + (C2/10) where C2 is in pF. This gain increases about 10% during the IRED pulse, after two consecutive local
smoke detections.
Resistor R14 must be installed in series with C2. R14
≈ [1/(12√C2)] - 680 where R14 is in ohms and C2 is in farads.
3
DETECT
This input to the high-gain pulse amplifier is tied to the cathode of an external photodiode. The photodiode should have
low capacitance and low dark leakage current. The diode must be shunted by a load resistor and is operated at zero
bias.
The Detect input must be ac/dc decoupled from all other signals, VDD, and VSS. Lead length and/or foil traces to this
pin must be minimized, also. See Figure 9.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC145012DW | 功能描述:IC SMOKE DETECT WITH I/O 16SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 傳感器和探測器接口 系列:- 其它有關文件:Automotive Product Guide 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數(shù)字 輸出類型:數(shù)字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:20-TSSOP 包裝:管件 |
| MC145012DWR2 | 制造商:Rochester Electronics LLC 功能描述:PHOTO SMKE DET/NFPA TONE - Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC145012ED | 功能描述:煙霧報警器 SM DETECTOR W/NFPA TONE RoHS:否 制造商:ELMOS Semiconductor 描述/功能:Smoke detector controller 感應方式:Photoelectric 工作電源電壓:24 V 輸出信號類型: |
| MC145012EG | 功能描述:光電傳感器 PHOTO SMKE DET/NFPA TONE RoHS:否 制造商:Omron Industrial 感應方式:Retroreflective 感應距離:2 m 光源:Infrared LED 放大器類型: 連接:Prewired Cable 輸出配置:Light ON |
| MC145012EGR2 | 功能描述:光電傳感器 PHOTO SMKE DET/NFPA TONE RoHS:否 制造商:Omron Industrial 感應方式:Retroreflective 感應距離:2 m 光源:Infrared LED 放大器類型: 連接:Prewired Cable 輸出配置:Light ON |
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