TEXAS INSTRUMENTS  XTR105PA  Current Sense Amplifier, Excitation and Linearization, 1 Amplifier, 5 nA, DIP, 14 Pins, -40 °C

TEXAS INSTRUMENTS XTR105PA

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Product Overview


The XTR105PA is a 2-wire Current Transmitter with sensor excitation and linearization. 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 down to 7.5V.
  • Low unadjusted error
  • Two precision current sources (800µA each)
  • Linearization
  • 2-wire RTD operation
  • Low offset drift (0.4µV/°C)
  • Low output current noise (30NAPP)
  • High PSR (110dB minimum)
  • High CMR (86dB minimum)
  • Green product and no Sb/Br

Applications

Industrial; Automation & Process Control; Test & Measurement
IC can be damaged by ESD. We recommend that all ICs be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
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Product Information


  • No. of Amplifiers 1 Amplifier
  • Input Bias Current 5000pA
  • Amplifier Case Style DIP
  • No. of Pins 14Pins
  • Operating Temperature Min -40°C
  • Operating Temperature Max 85°C
  • Bandwidth -
  • Supply Voltage Min 7.5V
  • Supply Voltage Max 36V
  • Input Offset Voltage 50µV
  • CMRR -
  • Packaging Each
  • MSL -
  • Supply Current 0.8 mA
  • Supply Voltage Range 7.5V to 36V
  • SVHC No SVHC (15-Jun-2015)

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