XTR101BG

The XTR101BG from Texas Instruments is a high-accuracy, low-drift 4-20mA two-wire transmitter designed for industrial process control applications. This microcircuit integrates a precision instrumentation amplifier and a voltage-to-current converter, enabling true two-wire operation with power and signal transmitted on a single wire pair.

Key electrical specifications include a wide supply voltage range from 11.6V to 40V, an offset voltage drift of only 0.75 µV/°C maximum, and a low offset voltage of 0.03 mV maximum. It also boasts low nonlinearity of 0.01% maximum. The device operates reliably within an extended temperature range of -40°C to 85°C, ensuring performance in demanding environments.

Packaged in a 14-CDIP format, the XTR101BG is suitable for through-hole mounting. Its design facilitates high noise immunity and is ideal for applications such as pressure transmitters, temperature transmitters, millivolt transmitters, resistance bridge inputs, thermocouple inputs, RTD inputs, and current shunt (mV) inputs. The dual matched current sources contribute to its precision and stability in automated manufacturing and power/plant energy system monitoring.

This transmitter is well-suited for applications requiring accurate signal conditioning and transmission over long distances, common in industrial automation and control systems.