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Temperature transmitter

Products and reference designs
Block diagram

Temperature transmitter

Block diagram

Overview

Our integrated circuits and reference designs enable you to build temperature transmitters with sensors that convert temperature measurement into an electrical representation. Transmission occurs over a loop-powered 4-20-mA interface, an IO-Link interface or wireless connection.

Design requirements

Temperature transmitter designs often require:

  • Precision signal chain for sensing.
  • Ultra-low current.
  • Multi-protocol industrial communication and interface solutions.
Explore applications similar in function and design

Block diagram

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Temperature transmitter

POWER TREE POWER TREE AC Mains AC Mains 24V DC 24V DC HMI / Service Interface HMI / Service Interface Isolation Isolation Isolation Isolation Isolated AC/DC Power Supply Isolated AC/DC Power Supply AC/DC AC/DC Input Power Protection Input Power Protection Over V/I Over V/I Reverse Polarity Reverse Polarity Non-isolated Power Supply Non-isolated Power Supply DC/DC DC/DC LDO LDO Supervisor Supervisor Sequenzer Sequenzer Isolated DC/DC Power Supply Isolated DC/DC Power Supply Xformer Driver XformerDriver PoL PoL DC/DC DC/DC LDO LDO Signal Input/Output Protection Signal Input/Output Protection ESD, EFT, Surge ESD, EFT, Surge Interface Interface IO-Link / SIO IO-Link / SIO RS485 / CAN RS485 / CAN Profibus PA / FF Profibus PA / FF 4-20mA / HART 4-20mA / HART Digital Processing Digital Processing MCU / MPU MCU / MPU Logic Logic Levelshift Levelshift Signal Isolation Signal Isolation ISO ISO Analog Front-End Analog Front-End AMP AMP REF REF MUX MUX ADC ADC AMP AMP Signal Input/Output Protection Signal Input/Output Protection ESD, EFT, Surge ESD, EFT, Surge Wireless Interface Wireless Interface WiFi WiFi BLE BLE Wireless IO-Link WirelessIO-Link WHART WHART Service Interface Service Interface RS232 RS232 USB USB Wireless Wireless Output User Interface Output User Interface Logic / Decoder Logic / Decoder Input User Interface Input User Interface Capacitive / Inductive Touch Capacitive / InductiveTouch Sensing Sensing CJC Temp Sensor CJC Temp Sensor

Technical documentation

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Type Title Date
Application note RTD Class-AA Replacement With High-Accuracy Digital Temperature Sensors in Field (Rev. A) 31 Jul 2019
Technical article Is your factory smarter than a fifth grader? PDF | HTML 31 Aug 2023
Technical article Staying on budget: How digital isolators are transforming field transmitters PDF | HTML 30 Jun 2023
Technical article Protecting field transmitters from surge transients PDF | HTML 27 Jun 2023
E-book 11 Ways to Protect Your Power Path 23 Jun 2020
Technical article Get more signal chain from your MCU in factory automation applications PDF | HTML 16 Jun 2023
Application brief Reducing System Cost, Size and Power in Isolated DAQ Systems Using ADS122U04 (Rev. A) 15 Jun 2017
Technical article Powering smart sensor transmitters in industrial applications PDF | HTML 15 Aug 2023
Application brief High-Performance 16-bit PWM to 4- to 20-mA DAC for Field Transmitters 10 May 2022
Technical article IO-Link: The backbone of the smart factory PDF | HTML 09 Jun 2023
Application brief How to Isolate Two-Wire Loop-Powered Field Transmitters (Rev. B) 08 May 2022
Application note Understanding Eco-mode(TM) Operation 05 Dec 2016
Analog Design Journal Low-EMI buck powers a multivariable sensor transmitter with BLE connectivity 04 Nov 2016
White paper Making factories smarter, more productive through predictive maintenance 02 Nov 2016
Analog Design Journal Low-IQ synchronous buck converter enables intelligent field-sensor applications 02 May 2016
Analog Design Journal High-side current sources for industrial applications 02 Apr 2019

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