Datasheet > MC14468

MC14468

更新时间： 2024-09-30 04:40:59

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		/
页数	文件大小	规格书
9页	177K
描述
Low-Power CMOS Ionization Smoke Detector IC with Interconnect

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MC14468 数据手册

Document Number: MC14468

Rev 5.0, 11/2006

Freescale Semiconductor

Technical Data

Low-Power CMOS Ionization Smoke

Detector IC with Interconnect

MC14468

The MC14468, when used with an ionization chamber and a small number of

external components, will detect smoke. When smoke is sensed, an alarm is

sounded via an external piezoelectric transducer and internal drivers. This circuit

is designed to operate in smoke detector systems that comply with UL217 and

UL268 specifications.

LOW-POWER CMOS

IONIZATION SMOKE

DETECTOR IC

WITH INTERCONNECT

Features

•

Ionization Type with On-Chip FET Input Comparator

Piezoelectric Horn Driver

Guard Outputs on Both Sides of Detect Input

Input-Production Diodes on the Detect Input

Low-Battery Trip Point, Internally Set, can be Altered Via External Resistor

Detect Threshold, Internally Set, can be Altered Via External Resistor

Pulse Testing for Low Battery Uses LED for Battery Loading

Comparator Output for Detect

P SUFFIX

ED SUFFIX (PB-FREE)

16-LEAD PLASTIC DIP

CASE 648-08

Internal Reverse Battery Protection

Strobe Output for External Trim Resistors

I/O Pin Allows Up to 40 Units to be Connected for Common Signaling

Power-On Reset Prevents False Alarms on Battery Change

Pb-Free Packaging Designated by Suffix Code ED

DETECT

16 GUARD HI-Z

COMP. OUT

I/O

DETECT INPUT

GUARD LO-Z

SENSITIVITY

SET

OSC

CAPACITOR

SILVER

BRASS

VSS

ORDERING INFORMATION

Temperature

LOW V SET

STROBE

OUT

Device

Case No.

Package

Range

LED

VDD

MC14468P

–10° to 60°C

648-08

Plastic Dip

MC14468ED

TIMING

RESISTOR

FEEDBACK

Figure 1. Pin Connections

12 3 4 5 6 7...9

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与MC14468相关器件

型号	品牌	获取价格	描述	数据表
MC14468ED	FREESCALE	获取价格	Low-Power CMOS Ionization Smoke Detector IC with Interconnect
MC14468ED	NXP	获取价格	SPECIALTY ANALOG CIRCUIT, PDIP16, LEAD FREE, PLASTIC, DIP-16
MC14468P	MOTOROLA	获取价格	Other Analog Circuits
MC14468P	FREESCALE	获取价格	Low-Power CMOS Ionization Smoke Detector IC with Interconnect
MC14468PD	MOTOROLA	获取价格	Analog Circuit, CMOS, PDIP16
MC14468PDS	MOTOROLA	获取价格	Analog Circuit, CMOS, PDIP16
MC14468PS	MOTOROLA	获取价格	暂无描述
MC14469	MOTOROLA	获取价格	ADDRESSABLE ASYNCHRONOUS RECEIVER / TRANSMITTER
MC14469FN	LANSDALE	获取价格	Addressable Asynchronous Receiver/Transmitter
MC14469FN	MOTOROLA	获取价格	Addressable Asynchronous Receiver/Transmitter