XTR105-DIE

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4-20mA Current Transmitter with Sensor Excitation and Linearization

Product details

Vs (min) (V) 7.5 Vs (max) (V) 36 Offset voltage drift (±) (max) (V/°C) 0.0000015 Offset voltage (±) (max) (V) 0.000025 Product type 2-wire RTD conditioner Operating temperature range (°C) to Rating Catalog
Vs (min) (V) 7.5 Vs (max) (V) 36 Offset voltage drift (±) (max) (V/°C) 0.0000015 Offset voltage (±) (max) (V) 0.000025 Product type 2-wire RTD conditioner Operating temperature range (°C) to Rating Catalog
DIESALE (TD) See data sheet
  • Low Unadjusted Error
  • Two Precision Current Sources
  • Linearization
  • 2- or 3-Wire RTD Operation
  • Low Offset Drift
  • Low Output Current Noise
  • High PSR
  • High CMR
  • Wide Supply Range
  • Low Unadjusted Error
  • Two Precision Current Sources
  • Linearization
  • 2- or 3-Wire RTD Operation
  • Low Offset Drift
  • Low Output Current Noise
  • High PSR
  • High CMR
  • Wide Supply Range

The XTR105 is a monolithic 4-20mA, 2-wire current transmitter with two precision current sources. It provides complete current excitation for platinum RTD temperature sensors and bridges, instrumentation amplifiers, 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 or pressure measurements. Total unadjusted error of the complete current transmitter is low enough to permit use without adjustment in many applications. This includes zero output current drift, span drift, and nonlinearity. The XTR105 operates on loop power-supply voltages.

The XTR105 is a monolithic 4-20mA, 2-wire current transmitter with two precision current sources. It provides complete current excitation for platinum RTD temperature sensors and bridges, instrumentation amplifiers, 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 or pressure measurements. Total unadjusted error of the complete current transmitter is low enough to permit use without adjustment in many applications. This includes zero output current drift, span drift, and nonlinearity. The XTR105 operates on loop power-supply voltages.

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* Data sheet 4-20mA Current Transmitter With Sensor Excitation and Linearization, XTR105-DIE datasheet 12 Aug 2012

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