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| 型号： | MC145010ED |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC SMOKE DETECT PHOTOELEC 16-DIP |
| 标准包装： | 25 |
| 类型： | 烟雾探测器 |
| 输入类型： | 光电 |
| 输出类型： | 电压 |
| 电流 - 电源： | 12µA |
| 安装类型： | 通孔 |
| 封装/外壳： | 16-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 16-PDIP |
| 包装： | 管件 |
MC145010
Rev 7.0, 05/2006
Freescale Semiconductor
Technical Data
Freescale Semiconductor, Inc., 2006. All rights reserved.
Photoelectric Smoke
Detector IC with I/O
The CMOS MC145010 is an advanced smoke detector component containing
sophisticated very-low-power analog and digital circuitry. The IC is used with an
infrared photoelectric chamber. Detection is accomplished by sensing scattered
light from minute smoke particles or other aerosols. When detection occurs, a
pulsating alarm is sounded via on-chip push-pull drivers and an external
piezoelectric transducer.
The variable-gain photo amplifier allows direct interface to IR detectors
(photodiodes). Two external capacitors, C1 and C2, C1 being the larger, determine
the gain settings. Low gain is selected by the IC during most of the standby state.
Medium gain is selected during a local-smoke condition. High gain is used during
push button test. During standby, the special monitor circuit which periodically
checks for degraded chamber sensitivity uses high gain, also.
The I/O pin, in combination with VSS, can be used to interconnect up to 40 units
for common signaling. An on-chip current sink provides noise immunity when the I/
O is an input. A local-smoke condition activates the short-circuit-protected I/O
driver, thereby signaling remote smoke to the interconnected units. Additionally, the
I/O pin can be used to activate escape lights, enable auxiliary or remote alarms,
and/or initiate auto-dialers.
While in standby, the low-supply detection circuitry conducts periodic checks
using a pulsed load current from the LED pin. The trip point is set using two external
resistors. The supply for the MC145010 can be a 9 V battery.
A visible LED flash accompanying a pulsating audible alarm indicates a local-
smoke condition. A pulsating audible alarm with no LED flash indicates a remote-
smoke condition. A beep or chirp occurring virtually simultaneously with an LED
flash indicates a low-supply condition. A beep occurring half-way between LED
flashes indicates degraded chamber sensitivity. A low-supply condition does not
affect the smoke detection capability if VDD ≥ 6 V. Therefore, the low-supply
condition and degraded chamber sensitivity can be further distinguished by
performing a push button (chamber) test.
Features
Circuit is designed to operate in smoke detector systems that comply with
UL217 and UL268 Specifications
Operating Voltage Range: 6 to 12 V
Operating Temperature Range: - 10 to 60
°C
Average Supply Current: 12
A
Power-On Reset Places IC in Standby Mode (Non-Alarm State)
Electrostatic Discharge (ESD) and Latch Up Protection Circuitry on All Pins
Chip Complexity: 2000 FETs, 12 NPNs, 16 Resistors, and 10 Capacitors
Ideal for battery powered applications.
ORDERING INFORMATION
Device
Temp. Range
Case No.
Package
MC145010P
-55 to +125°C
648-08
16 Lead Plastic Dip
MC145010ED
MC145010DW
751G-04
16 Lead SOICW
MCZ145010EG/EGR2
MC145010
PHOTOELECTRIC SMOKE
DETECTOR IC WITH I/O
P SUFFIX
ED SUFFIX (PB-FREE)
PLASTIC DIP
CASE 648-08
DW SUFFIX
EG SUFFIX (PB-FREE)
SOICW
CASE 751G-04
Figure 1. Pin Connections
C1
C2
Detect
Strobe
VDD
IRED
I/O
Brass
Test
Low-Supply
Trip
VSS
R1
OSC
LED
Feedback
Silver
1
2
3
4
5
7
6
89
10
11
12
13
14
15
16
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC145010EG | 功能描述:光电传感器 SMOKE DET PHOTO WITH I/ RoHS:否 制造商:Omron Industrial 感应方式:Retroreflective 感应距离:2 m 光源:Infrared LED 放大器类型: 连接:Prewired Cable 输出配置:Light ON |
| MC145010EGR2 | 功能描述:光电传感器 SMOKE DET PHOTO RoHS:否 制造商:Omron Industrial 感应方式:Retroreflective 感应距离:2 m 光源:Infrared LED 放大器类型: 连接:Prewired Cable 输出配置:Light ON |
| MC145010P | 功能描述:IC SMOKE DETECT PHOTOELEC 16-DIP RoHS:否 类别:集成电路 (IC) >> 接口 - 传感器和探测器接口 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:74 系列:- 类型:触控式传感器 输入类型:数字 输出类型:数字 接口:JTAG，串行 电流 - 电源:100µA 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:管件 |
| MC145011ED | 功能描述:光电传感器 SMOKE DETECTOR RoHS:否 制造商:Omron Industrial 感应方式:Retroreflective 感应距离:2 m 光源:Infrared LED 放大器类型: 连接:Prewired Cable 输出配置:Light ON |
| MC145011P | 功能描述:IC SMOKE DETECT PHOTOELEC 16-DIP RoHS:否 类别:集成电路 (IC) >> 接口 - 传感器和探测器接口 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:74 系列:- 类型:触控式传感器 输入类型:数字 输出类型:数字 接口:JTAG，串行 电流 - 电源:100µA 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:管件 |
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