XTR103AD

更新时间： 2024-09-09 13:02:43

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XTR103AD 数据手册

XTR103

4-20mA Current Transmitter with

RTD EXCITATION AND LINEARIZATION

FEATURES

APPLICATIONS

● LESS THAN ±1% TOTAL ADJUSTED

ERROR, –40°C TO +85°C

● INDUSTRIAL PROCESS CONTROL

● FACTORY AUTOMATION

● SCADA

● RTD EXCITATION AND LINEARIZATION

● TWO OR THREE-WIRE RTD OPERATION

● WIDE SUPPLY RANGE: 9V to 40V

● HIGH PSR: 110dB min

Pt100 NONLINEARITY CORRECTION

● HIGH CMR: 80dB min

USING XTR103

DESCRIPTION

The XTR103 is a monolithic 4-20mA, two-wire

current transmitter designed for Platinum RTD tem-

perature sensors. It provides complete RTD current

excitation, instrumentation amplifier, linearization, and

current output circuitry on a single integrated circuit.

Uncorrected

RTD Nonlinearity

Corrected

Nonlinearity

Versatile linearization circuitry provides a 2nd-order

correction to the RTD, typically achieving a 40:1

improvement in linearity.

–1

–200°C

+850°C

Instrumentation amplifier gain can be configured for a

wide range of temperature measurements. Total

adjusted error of the complete current transmitter,

including the linearized RTD is less than ±1% over the

full –40 to +85°C operating temperature range. This

includes zero drift, span drift and nonlinearity. The

XTR103 operates on loop power supply voltages down

to 9V.

Process Temperature (°C)

I_R= 0.8mA

9 to 40V

V_PS

The XTR103 is available in 16-pin plastic DIP and

SOL-16 surface-mount packages specified for the

–40°C to +85°C temperature range.

4-20 mA

V_O

XTR103

R_G

R_L

RTD

–

R_LIN

International Airport Industrial Park

•

Mailing Address: PO Box 11400, Tucson, AZ 85734

FAXLine: (800) 548-6133 (US/Canada Only)

•

Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706

•

Tel: (520) 746-1111 • Twx: 910-952-1111

Internet: http://www.burr-brown.com/

•

Cable: BBRCORP

•

Telex: 066-6491

•

FAX: (520) 889-1510

•

Immediate Product Info: (800) 548-6132

PDS-1145E

Printed in U.S.A. October, 1993

12 3 4 5 6 7...10

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