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4-20mA signal conditioners

XTR116

ACTIVE

4-20-mA current loop transmitter with 4.096-V reference and 200-μA power

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Data sheet

XTR116

ACTIVE
Data sheet Order now

Product details

Vs (min) (V) 7.5 Vs (max) (V) 36 Offset voltage drift (±) (max) (V/°C) 0.000003 Offset voltage (±) (max) (V) 0.00025 Product type 2-wire bridge conditioner Operating temperature range (°C) -40 to 85 Rating Catalog
Vs (min) (V) 7.5 Vs (max) (V) 36 Offset voltage drift (±) (max) (V/°C) 0.000003 Offset voltage (±) (max) (V) 0.00025 Product type 2-wire bridge conditioner Operating temperature range (°C) -40 to 85 Rating Catalog
SOIC (D) 8 29.4 mm² 4.9 x 6
  • LOW QUIESCENT CURRENT: 200µA
  • 5V REGULATOR FOR EXTERNAL CIRCUITS
  • V REF FOR SENSOR EXCITATION:
       XTR115: 2.5V
       XTR116: 4.096V
  • LOW SPAN ERROR: 0.05%
  • LOW NONLINEARITY ERROR: 0.003%
  • WIDE LOOP SUPPLY RANGE: 7.5V to 36V
  • SO-8 PACKAGE
  • APPLICATIONS
    • 2-WIRE, 4-20mA CURRENT LOOP TRANSMITTER
    • SMART TRANSMITTER
    • INDUSTRIAL PROCESS CONTROL
    • TEST SYSTEMS
    • COMPATIBLE WITH HART MODEM
    • CURRENT AMPLIFIER
    • VOLTAGE-TO-CURRENT AMPLIFIER

All trademarks are the property of their respective owners.
  • LOW QUIESCENT CURRENT: 200µA
  • 5V REGULATOR FOR EXTERNAL CIRCUITS
  • V REF FOR SENSOR EXCITATION:
       XTR115: 2.5V
       XTR116: 4.096V
  • LOW SPAN ERROR: 0.05%
  • LOW NONLINEARITY ERROR: 0.003%
  • WIDE LOOP SUPPLY RANGE: 7.5V to 36V
  • SO-8 PACKAGE
  • APPLICATIONS
    • 2-WIRE, 4-20mA CURRENT LOOP TRANSMITTER
    • SMART TRANSMITTER
    • INDUSTRIAL PROCESS CONTROL
    • TEST SYSTEMS
    • COMPATIBLE WITH HART MODEM
    • CURRENT AMPLIFIER
    • VOLTAGE-TO-CURRENT AMPLIFIER

All trademarks are the property of their respective owners.

The XTR115 and XTR116 are precision current output converters designed to transmit analog 4-to-20mA signals over an industry standard current loop. They provide accurate current scaling and output current limit functions.

The on-chip voltage regulator (5V) can be used to power external circuitry. A precision on-chip VREF (2.5V for XTR115 and 4.096V for XTR116) can be used for offsetting or to excite transducers. A current return pin (IRET) senses any current used in external circuitry to assure an accurate control of the output current.

The XTR115 is a fundamental building block of smart sensors using 4-to-20mA current transmission.

The XTR115 and XTR116 are specified for operation over the extended industrial temperature range, -40°C to +85°C.

The XTR115 and XTR116 are precision current output converters designed to transmit analog 4-to-20mA signals over an industry standard current loop. They provide accurate current scaling and output current limit functions.

The on-chip voltage regulator (5V) can be used to power external circuitry. A precision on-chip VREF (2.5V for XTR115 and 4.096V for XTR116) can be used for offsetting or to excite transducers. A current return pin (IRET) senses any current used in external circuitry to assure an accurate control of the output current.

The XTR115 is a fundamental building block of smart sensors using 4-to-20mA current transmission.

The XTR115 and XTR116 are specified for operation over the extended industrial temperature range, -40°C to +85°C.
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XTR117 ACTIVE XTR117 4-20mA Current Loop Transmitter This device offers lower quiescent current (130-µA) without a voltage reference

Technical documentation

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Type Title Date
* Data sheet XTR115, XTR116: 4-20mA Current Loop Transmitters datasheet (Rev. A) 21 Jul 2003
Application note How to Select Amplifiers for Pressure Transmitter Applications (Rev. B) PDF | HTML 14 Feb 2023
Technical article 2-wire 4-20mA sensor transmitters: Increasing Sensor Power with Switching Power Supplies (Part 6) 14 Apr 2015
Technical article 2-wire 4-20mA sensor transmitters: Designing Input Isolated 2-Wire Sensor Transmitters (Part 5) 10 Mar 2015
Technical article 2-wire 4-20mA transmitters: Controlling 2-Wire Transmitter Outputs with Externally Powered Sources (Part 4) 24 Feb 2015
Technical article 2-Wire 4-20mA Sensor Transmitters: Sensor and Transmitter Current Consumption Limitations (Part 3) 13 Jan 2015

Design & development

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Reference designs

TIPD190 — 2-wire, 4-20mA Transmitter, EMC/EMI Tested Reference Design

This CerTIfied Reference Design is a 16-bit loop-powered, or 2-wire, transmitter using the DAC8551 and XTR116. The design includes a protection circuit that provides immunity to the IEC61000-4 test suite. The design also includes a circuit to rectify a reverse polarity power supply. The protection (...)
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