ADT70 - PRTD Conditioning Circuit and Temperature Controller

Product Overview

Analog Devices

Datasheet Details

Part number	ADT70
Manufacturer	Analog Devices
File Size	151.54 KB
Description	PRTD Conditioning Circuit and Temperature Controller
Datasheet	ADT70 Datasheet
Additional preview pages of the ADT70 datasheet.

Product details

Description

PRTD Conditioning Circuit and Temperature Controller ADT70 FUNCTIONAL BLOCK DIAGRAM NULLA NULLB BIAS 2.5VREFOUT ADT70 +VS OUTOA IOUTA IOUTB MATCHED CURRENT SOURCES 2.5V REF +INOA ؊INOA +INIA ؊INIA INST AMP SHUTDOWN SHUTDOWN RGA RGB GND SENSE OUTIA AGND ؊VS DGND The ADT70 provides excitation and signal conditioning for resistance-temperature devices (RTDs).It is ideally suited for 1 kΩ Platinum RTDs (PRTDs), allowing a very wide range of temperature measurement.It can also ea

Features

PRTD Temperature Measurement Range Typical IC Measurement Error ؎ 1؇C Includes Two Matched Current Sources Rail-to-Rail Output Instrumentation Amp Uncommitted, Rail-to-Rail Output Op Amp On-Board ؉ 2.5 V Reference Temperature Coefficient ؎ 25 ppm/؇C ؉ 5 V or ؎ 5 V Operation Supply Current 4 mA Max 10 ␮ A Max in Shutdown.

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Published: Mar 23, 2005 |