Datasheet > XTR108EA-2K5

XTR108EA-2K5

更新时间： 2024-01-28 17:11:40

品牌	Logo	应用领域
BB		发射机
页数	文件大小	规格书
32页	901K
描述
4-20mA, TWO-WIRE TRANSMITTER âSmartâ Programmable with Signal Conditioning

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XTR108EA-2K5 数据手册

XTR108

SBOS187C – OCTOBER 2001 – REVISED JULY 2005

4-20mA, TWO-WIRE TRANSMITTER

“Smart” Programmable with Signal Conditioning

FEATURES

DESCRIPTION

● COMPLETE TRANSMITTER + RTD

The XTR108 is a “smart,” programmable, 4-20mA, two-wire

transmitter designed for temperature and bridge sensors.

Zero, span, and linearization errors in the analog signal

path can be calibrated via a standard digital serial interface,

eliminating manual trimming. Non-volatile external EEPROM

stores calibration settings.

LINEARIZATION

● TWO-WIRE, 4-20mA OUTPUT

● VOLTAGE OUTPUT (0.5V to 4.5V)

● ELIMINATES POTENTIOMETERS AND

TRIMMING

The all-analog signal path contains an input multiplexer,

autozeroed programmable-gain instrumentation amplifier, dual

programmable current sources, linearization circuit, voltage

reference, sub-regulator, internal oscillator, control logic, and

an output current amplifier. Programmable level shifting

compensates for sensor DC offsets. Selectable

up- and down-scale output indicates out-of-range and burn-

out per NAMUR NE43. Automatic reset is initiated when

supply is lost.

● DIGITALLY CALIBRATED

● 5V SUB-REGULATOR OUTPUT

● SERIAL SPI BUS INTERFACE

● SSOP-24 PACKAGE

APPLICATIONS

● REMOTE RTD TRANSMITTERS

● PRESSURE BRIDGE TRANSMITTERS

● STRAIN GAGE TRANSMITTERS

● SCADA REMOTE DATA ACQUISITION

● WEIGHING SYSTEMS

Current sources, steered through the multiplexer, can be

used to directly excite RTD temperature sensors, pressure

bridges, or other transducers. An uncommitted op amp can

be used to convert current into a voltage. The XTR108 is

specified for –40°C to +85°C.

● INDUSTRIAL PROCESS CONTROL

EEPROM

SPI and

Control Circuits

Excitation

V_PS

V/I-0

V/I-1

V/I-2

Linearization

4-20mA

I_O

PGA

V/I

V/I-3

V/I-4

V/I-5

R_LOAD

XTR108

R₁R₂R₃R₄R₅

I_Ret

RTD

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

SPI is a trademark of Motorola, Inc. All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

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与XTR108EA-2K5相关器件

型号	品牌	获取价格	描述	数据表
XTR108EA-2K5G4	BB	获取价格	4-20mA, TWO-WIRE TRANSMITTER âSmartâ Prog
XTR108EAG4	BB	获取价格	4-20mA, TWO-WIRE TRANSMITTER âSmartâ Prog
XTR108EAG4	TI	获取价格	4-20mA, Two-Wire Transmitter ''Smart'' Programmable wi
XTR108TDD1	TI	获取价格	TWO-WIRE TRANSMITTER
XTR108TDD2	TI	获取价格	TWO-WIRE TRANSMITTER
XTR110	TI	获取价格	PRECISION VOLTAGE-TO-CURRENT CONVERTER/TRANSMITTER
XTR110	BB	获取价格	PRECISION VOLTAGE-TO-CURRENT CONVERTER/TRANSMITTER
XTR110AD	TI	获取价格	Precision Voltage-To-Current Converter/Transmitter 0-DIESALE
XTR110AG	BB	获取价格	PRECISION VOLTAGE-TO-CURRENT CONVERTER/TRANSMITTER
XTR110AG	TI	获取价格	PRECISION VOLTAGE-TO-CURRENT CONVERTER/TRANSMITTER

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