Datasheet > RE46C120

RE46C120

更新时间： 2023-12-06 20:00:44

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
7页	205K
描述
The RE46C120 is a low power CMOS ionization type smoke detector IC. With a few external components

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RE46C120 数据手册

R&E International

A Subsidiary of Microchip Technology Inc.

RE46C120

CMOS Ionization Smoke Detector ASIC

Product Specification

Features

General Description

•

Guard Outputs for Ion Detector Input

The RE46C120 is a low power CMOS ionization type

smoke detector IC. With a few external components

this circuit will provide all the required features for an

ionization type smoke detector.

+/-0.75pA Detect Input Current

Internal Reverse Battery Protection

Internal Low Battery Detection

Pin Selectable Horn Pattern

Low Quiescent Current Consumption (<6.5uA)

16L PDIP

An internal oscillator strobes power to the smoke

detection circuitry for 10.5mS every 1.66 seconds to

keep standby current to a minimum. A check for a low

battery condition is performed every 40 seconds when

in standby. The TONE input allows for selection of a

temporal pattern or a 2/3 duty cycle continuous tone.

The temporal horn pattern supports the NFPA 72

emergency evacuation signal.

ESD Protection on all Pins

Compatible with MC145017, MC14467

UL Recognized per File S24036

Available in RoHS Compliant Pb Free Packaging

Pin Configuration

Although this device was designed for smoke detection

utilizing an ionization chamber it could be used in a

variety of security applications.

DETCOMP

GUARD2

DETECT

GUARD1

VSEN

OSCAP

N/C

LBADJ

TONE

The RE46C120 is recognized by Underwriters

Laboratories for use in smoke detectors that comply

with specification UL217 and UL268.

LED

VDD

RBIAS

VSS

FEED

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

VALUE

-.3 to V_dd+.3

-10 to +22

UNITS

Supply Voltage

V_DD

V_in

V_infd

T_RB

I_in

T_A

T_STG

T_J

Input Voltage Range Except FEED

FEED Input Voltage Range

Reverse Battery Time

Input Current except FEED

Operating Temperature

Storage Temperature

°C

-10 to 60

-55 to 125

150

Maximum Junction Temperature

Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are

stress ratings only and operation at these conditions for extended periods may affect device reliability.

This product utilizes CMOS technology with static protection; however proper ESD prevention procedures should be used

when handling this product. Damage can occur when exposed to extremely high static electrical charge

DS22157B-page 1

12 3 4 5 6 7

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与RE46C120相关器件

型号	品牌	获取价格	描述	数据表
RE46C121	RANDE	获取价格	CMOS Ionization Smoke Detector ASIC with Interconnect
RE46C121	MICROCHIP	获取价格	CMOS Ionization Smoke Detector ASIC with Interconnect
RE46C121(16DIP)	MICROCHIP	获取价格	RE46C121(16DIP)
RE46C122	MICROCHIP	获取价格	CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode
RE46C122	RANDE	获取价格	CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode
RE46C122(16DIP)	MICROCHIP	获取价格	RE46C122(16DIP)
RE46C122E16F	MICROCHIP	获取价格	Low Power CMOS Ionization Type Smoke Detector IC; Package: 16L PDIP .300in; Temperature Ra
RE46C126	RANDE	获取价格	CMOS Ionization Smoke Detector ASIC with Interconnect
RE46C126	MICROCHIP	获取价格	CMOS Ionization Smoke Detector ASIC with Interconnect
RE46C126(16DIP)	MICROCHIP	获取价格	RE46C126(16DIP)

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