Pressure transmitter

Products and reference designs

Pressure transmitter

Block diagram


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

Design requirements:

Pressure 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

Find products and reference designs for your system.

Technical documentation

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Type Title Date
Software Multi-Cal-PGA309 System Software (Rev. A) 29 Aug 2011
Technical articles Inductive sensing: setting the sensor current-drive without a fancy impedance analyzer 24 Mar 2016
E-book 11 Ways to Protect Your Power Path 23 Jun 2020
Technical articles Frequency references: Crystal oscillator operation and specs 20 Nov 2013
Application note Using the XTR115 with the PGA309 to Generate 4mA to 20mA Output (Rev. B) 20 Apr 2006
Software PGA309EVM-USB Software (Rev. C) 18 Apr 2011
Software PGA309EVM-USB Source Code (Rev. A) 18 Apr 2011
Technical articles Inductive sensing: How far can I sense? 17 Jun 2015
Design files PGA309 Gain Calculator (Rev. D) 14 Apr 2020
Design files PGA309 Calculator Source Code 14 Apr 2020
Application note How to Select Amplifiers for Pressure Transmitter Applications (Rev. A) PDF | HTML 10 May 2022
Application note High-Performance 16-bit PWM to 4- to 20-mA DAC for Field Transmitters 10 May 2022
Technical articles How to get started with current sense amplifiers – part 3 09 Jul 2015
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

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