RE46C145SW16 datasheet, PDF - EEWORLD Datasheet

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RE46C145SW16: DescriptionSPECIALTY ANALOG CIRCUIT; CategoryAnalog mixed-signal IC The signal circuit; File Size1MB，26 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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RE46C145SW16 Overview

SPECIALTY ANALOG CIRCUIT

RE46C145SW16 Parametric

Parameter Name	Attribute value
Maker	Microchip
package instruction	SOIC-16
Reach Compliance Code	compliant
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT
JESD-30 code	R-PDSO-G16
length	10.3 mm
Number of functions	1
Number of terminals	16
Maximum operating temperature	75 °C
Minimum operating temperature	-25 °C
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Filter level	TS 16949
Maximum seat height	2.65 mm
Maximum supply voltage (Vsup)	12 V
Minimum supply voltage (Vsup)	6 V
Nominal supply voltage (Vsup)	9 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL EXTENDED
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
width	7.5 mm

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RE46C145

CMOS Photoelectric Smoke Detector ASIC with Interconnect

and Timer Mode

Features:

•

Internal Power On Reset

Low Quiescent Current Consumption

ESD Protection on all Pins

Interconnect up to 40 Detectors

10 Minute Timer for Sensitivity Control

Temporal Horn Pattern

Internal Low Battery and Chamber Test

Compatible with Allegro A5366

Alternate Diagnostic Mode

UL Recognized per File S24036

General Description:

The RE46C145 is a low-power, CMOS photoelec-

tric-type smoke detector IC. With minimal external

components, this circuit will provide all the required fea-

tures 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 100 µs every 10 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.

In diagnostic mode, the photo amplifier output is avail-

able on pin 15 for production calibration of the photo

chamber.

When in Standby, a check for a low battery condition

and chamber integrity is performed every 43 seconds.

The temporal horn pattern supports the NFPA 72

emergency evacuation signal.

An interconnect pin allows multiple detectors to be con-

nected such that when one units alarms, all units will

sound.

An internal 10 minute timer can be used for a reduced

sensitivity mode.

The RE46C145 is recognized by Underwriters

Laboratories for use in smoke detectors that comply

with specification UL217 and UL268.

Package Types

RE46C145

PDIP, SOIC, SOICN

DETECT

STROBE

IRED

HORNB

TEST

VSEN

ROSC

COSC

LED

FEED

HORNS



2009-2012 Microchip Technology Inc.

DS22181C-page 1

RE46C145SW16 Related Products

	RE46C145SW16	RE46C145S16	RE46C145TS16	RE46C145E16	RE46C145TSW16
Description	SPECIALTY ANALOG CIRCUIT	SPECIALTY ANALOG CIRCUIT	SPECIALTY ANALOG CIRCUIT	SPECIALTY ANALOG CIRCUIT	SPECIALTY ANALOG CIRCUIT
Maker	Microchip	Microchip	Microchip	Microchip	Microchip
package instruction	SOIC-16	SOIC-16	SOIC-16	DIP-16	SOIC-16
Reach Compliance Code	compliant	compliant	compliant	compliant	compliant
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT
JESD-30 code	R-PDSO-G16	R-PDSO-G16	R-PDSO-G16	R-PDIP-T16	R-PDSO-G16
length	10.3 mm	9.9 mm	9.9 mm	19.177 mm	10.3 mm
Number of functions	1	1	1	1	1
Number of terminals	16	16	16	16	16
Maximum operating temperature	75 °C	75 °C	75 °C	75 °C	75 °C
Minimum operating temperature	-25 °C	-25 °C	-25 °C	-25 °C	-25 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	SOP	SOP	DIP	SOP
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	IN-LINE	SMALL OUTLINE
Filter level	TS 16949	TS 16949	TS 16949	TS 16949	TS 16949
Maximum seat height	2.65 mm	1.75 mm	1.75 mm	5.334 mm	2.65 mm
Maximum supply voltage (Vsup)	12 V	12 V	12 V	12 V	12 V
Minimum supply voltage (Vsup)	6 V	6 V	6 V	6 V	6 V
Nominal supply voltage (Vsup)	9 V	9 V	9 V	9 V	9 V
surface mount	YES	YES	YES	NO	YES
technology	CMOS	CMOS	CMOS	CMOS	CMOS
Temperature level	COMMERCIAL EXTENDED	COMMERCIAL EXTENDED	COMMERCIAL EXTENDED	COMMERCIAL EXTENDED	COMMERCIAL EXTENDED
Terminal form	GULL WING	GULL WING	GULL WING	THROUGH-HOLE	GULL WING
Terminal pitch	1.27 mm	1.27 mm	1.27 mm	2.54 mm	1.27 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL
width	7.5 mm	3.9 mm	3.9 mm	7.62 mm	7.5 mm

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