XTR103BU Datasheet

IC型號(hào)：
XTR103BU
PDF描述：
4-20mA Current Transmitter with RTD EXCITATION AND LINEARIZA...
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廬

XTR

103

XTR103

XTR

4-20mA Current Transmitter with

RTD EXCITATION AND LINEARIZATION

FEATURES

LESS THAN

鹵

1% TOTAL ADJUSTED

ERROR, 鈥?0

擄

C TO +85

擄

RTD EXCITATION AND LINEARIZATION

TWO OR THREE-WIRE RTD OPERATION

WIDE SUPPLY RANGE: 9V to 40V

HIGH PSR: 110dB min

HIGH CMR: 80dB min

Pt100 NONLINEARITY CORRECTION

USING XTR103

APPLICATIONS

INDUSTRIAL PROCESS CONTROL

FACTORY AUTOMATION

SCADA

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.

Versatile linearization circuitry provides a 2nd-order

correction to the RTD, typically achieving a 40:1

improvement in linearity.

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

鹵1%

over the

full 鈥?0 to +85擄C operating temperature range. This

includes zero drift, span drift and nonlinearity. The

XTR103 operates on loop power supply voltages down

to 9V.

The XTR103 is available in 16-pin plastic DIP and

SOL-16 surface-mount packages specified for the

鈥?0擄C to +85擄C temperature range.

Nonlinearity (%)

鈥?

鈥?00擄C

Process Temperature (擄C)

+850擄C

Uncorrected

RTD Nonlinearity

Corrected

Nonlinearity

= 0.8mA

9 to 40V

4-20 mA

RTD

鈥?/div>

LIN

XTR103

International Airport Industrial Park 鈥?Mailing Address: PO Box 11400, Tucson, AZ 85734 鈥?Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 鈥?Tel: (520) 746-1111 鈥?Twx: 910-952-1111

Internet: http://www.burr-brown.com/ 鈥?FAXLine: (800) 548-6133 (US/Canada Only) 鈥?Cable: BBRCORP 鈥?Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132

漏

1992 Burr-Brown Corporation

PDS-1145E

Printed in U.S.A. October, 1993

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