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XTR108EA/2K5 Datasheet

  • XTR108EA/2K5

  • 4-20mA, TWO-WIRE TRANSMITTER Smart Programmable with Signal ...

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XTR108
XTR
108
SBOS187B 鈥?OCTOBER 2001 鈥?JUNE 2004
4-20mA, TWO-WIRE TRANSMITTER
鈥淪mart鈥?Programmable with Signal Conditioning
FEATURES
q
COMPLETE TRANSMITTER + RTD
LINEARIZATION
q
TWO-WIRE, 4-20mA OUTPUT
q
VOLTAGE OUTPUT (0.5V to 4.5V)
q
ELIMINATES POTENTIOMETERS AND
TRIMMING
q
DIGITALLY CALIBRATED
q
5V SUB-REGULATOR OUTPUT
q
SERIAL SPI
餂?/div>
BUS INTERFACE
q
SSOP-24 PACKAGE
SPI is a registered trademark of Motorola.
DESCRIPTION
The XTR108 is a 鈥渟mart鈥? programmable, 4-20mA, two-
wire transmitter designed for temperature and bridge sen-
sors. Zero, span, and linearization errors in the analog
signal path can be calibrated via a standard digital serial
interface, eliminating manual trimming. Non-volatile ex-
ternal EEPROM stores calibration settings.
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.
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 鈥?0擄C to +85擄C.
APPLICATIONS
q
q
q
q
q
REMOTE RTD TRANSMITTERS
PRESSURE BRIDGE TRANSMITTERS
STRAIN GAGE TRANSMITTERS
SCADA REMOTE DATA ACQUISITION
WEIGHING SYSTEMS
q
INDUSTRIAL PROCESS CONTROL
EEPROM
SCLK
SDIO
CS2
SPI and
Control Circuits
Gain and Offset
Excitation
CS1
V
PS
4-20mA
I
O
V/I-0
V/I-1
V/I-2
V/I-3
V/I-4
V/I-5
R
1
RTD
R
2
R
3
R
4
R
5
Multiplexer
Linearization
PGA
V/I
R
LOAD
XTR108
I
Ret
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.
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.
Copyright 漏 2001-2004, Texas Instruments Incorporated
www.ti.com

XTR108EA/2K5 產(chǎn)品屬性

  • Texas Instruments

  • 特殊用途放大器

  • + 85 C

  • - 40 C

  • SMD/SMT

  • QSOP-24

  • Reel

  • 2500

XTR108EA/2K5相關(guān)型號(hào)PDF文件下載

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  • 英文版
    ETC
  • 英文版
  • 英文版
    Precision, Low Drift 4-20mA TWO-WIRE TRANSMITTER
    BB
  • 英文版
    Precision, Low Drift 4-20mA TWO-WIRE TRANSMITTER
    BURR-BROWN ...
  • 英文版
    4-20mA Current Transmitter with RTD EXCITATION AND LINEARIZA...
    BB
  • 英文版
    4-20mA Current Transmitter with RTD EXCITATION AND LINEARIZA...
    BURR-BROWN ...
  • 英文版
    4-20mA Current Transmitter with BRIDGE EXCITATION AND LINEAR...
    BB
  • 英文版
    4-20mA Current Transmitter with BRIDGE EXCITATION AND LINEAR...
    BURR-BROWN ...
  • 英文版
    4-20mA CURRENT TRANSMITTER with Sensor Excitation and Linear...
    BURR-BROWN ...
  • 英文版
    4-20mA CURRENT TRANSMITTER with Bridge Excitation and Linear...
    BB
  • 英文版
    4-20mA CURRENT TRANSMITTER with Bridge Excitation and Linear...
    BURR-BROWN [ B...
  • 英文版
    4-20mA CURRENT TRANSMITTER with Bridge Excitation and Linear...
    BURR-BROWN ...
  • 英文版
    4-20mA, TWO-WIRE TRANSMITTER Smart Programmable with Signal ...
    BB
  • 英文版
    4-20mA, TWO-WIRE TRANSMITTER Smart Programmable with Signal ...
    BURR-BROWN ...
  • 英文版
    PRECISION VOLTAGE-TO-CURRENT CONVERTER/TRANSMITTER
    BB
  • 英文版
    PRECISION VOLTAGE-TO-CURRENT CONVERTER/TRANSMITTER
    BURR-BROWN ...
  • 英文版
    Precision Voltage-to-Current Converter/Transmitter
    BURR-BROWN ...
  • 英文版
    4-20mA CURRENT TRANSMITTERS with Sensor Excitation and Linea...
    BB
  • 英文版
    4-20mA CURRENT TRANSMITTERS with Sensor Excitation and Linea...
    BURR-BROWN ...
  • 英文版
    4-20mA CURRENT TRANSMITTERS with Sensor Excitation and Linea...
    BB

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