4-20mA signal conditioners

4- to 20-mA transmitters with sensor excitation and linearization to facilitate industry standard loop designs

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Our portfolio of 4-20mA current transmitters offers a perfect balance of integration and simplicity to facilitate industry standard 4-20 mA loop designs. Varying levels of integration provide optimal design flexibility while still offering useful features like sensor linearization, sensor excitation sources, SPI communication, diagnostics, and protection features. These devices are available in tiny packages, as small as 3 x 3 mm, for maximum space savings with optimal power dissipation.

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Design & development resources

Calculation tool
Free Tool: Current Transmitter Component Calculator

This spreadsheet calculates error for Current Transmitter (XTR) devices and external components.

Simulation tool
PSpice® for TI design and simulation tool
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool
SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)

Technical resources

TI Precision Labs -  4-20mA current loop transmitters
In this series, we'll be covering concepts around current loop transmitters focusing on the common 4 to 20 milliamps range.
Technical article
Technical article
Designing with 4-20mA current loop transmitters (XTRs)
This website serves as a landing page for frequently asked questions that arise when designing with 4-20mA current loop transmitters.
Design guide
Design guide
Compact Programmable 4-mA to 20-mA and ±10-V Analog Output Reference Design
This reference design realizes a small form factor, two channel configurable analog voltage and current output module for AC inverter and servo drives.
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