RE46C143集成電路（IC）的傳感器檢測器接口規(guī)格書PDF中文資料

RE46C143屬于集成電路（IC）的傳感器檢測器接口。由微芯科技股份有限公司制造生產(chǎn)的RE46C143傳感器和檢測器接口該系列產(chǎn)品可執(zhí)行信號調(diào)節(jié)、數(shù)據(jù)轉(zhuǎn)換、激勵生成和/或各種將傳感器或變送器機構(gòu)連接到主機設(shè)備所需的其他功能。示例包括用于 CCD 圖像傳感器的控制器、用于 4-20 mA 接口和類似應(yīng)用的電流變送器、超聲變送器前端、惠斯通電橋接口等。

General Description

The RE46C143 is low power CMOS photoelectric type smoke detector IC. With minimal external components this circuit will provide all the required features for a photoelectric type smoke detector.

The design incorporates a gain selectable photo amplifier for use with an infrared emitter/detector pair. An internal oscillator strobes power to the smoke detection circuitry for 100us every 8.1 seconds to keep standby current to a minimum. If smoke is sensed the detection rate is increased to verify an alarm condition. A high gain mode is available for push button chamber testing.

A check for a low battery condition and chamber integrity is performed every 40 seconds when in standby. The alarm horn pattern utilizes a 75 duty cycle.

An interconnect pin allows multiple detectors to be connected such that when one units alarms, all units will sound.

Utilizing low power CMOS technology the RE46C143 was designed for use in smoke detectors that comply with Underwriters Laboratory Specification UL217 and UL268.

Features

? Internal Power On Reset

? Low Quiescent Current Consumption

? Available in 16L PDIP or 16L N SOIC

? ESD Protection on all Pins

? Interconnect up to 40 Detectors

? 75 Duty Cycle Horn Pattern

? Low Battery and Chamber Test

? Compatible with Motorola MC145010

? Available in Standard Packaging or RoHS Compliant Pb Free Packaging.