Part Number: XTR115UA/2K5

Manufacturer: Texas Instruments


Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of XTR115UA/2K5

Datasheet  XTR115UA/2K5 datasheet
Category Integrated Circuits (ICs)
Family Interface – Sensor and Detector Interfaces
Manufacturer Texas Instruments
Packaging Tape & Reel (TR)
Part Status Active
Type Current Transmitter
Input Type Voltage
Output Type Voltage
Interface 2-Wire
Current – Supply 20mA
Operating Temperature *
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154″, 3.90mm Width)
Supplier Device Package 8-SOIC


The XTR115UA/2K5 is a precision current output converter designed to transfer analog 4-mA-to-20-mA signals over a current loop. This flexible device, along with its XTR116 cousin, is an important component in a wide range of applications, from industrial process control to smart sensor systems. We will go into the XTR115UA/2K5’s essential features, applications, and operational details in this detailed guide, providing you with a clear grasp of its capabilities.

Operating Principles of the XTR115UA/2K5

The XTR115UA/2K5 operates on the following principles:

● Precision Current Scaling:

The gadget accurately translates input signals into a current range of 4mA to 20mA. Because of its low span error (0.05%) and nonlinearity error (0.003%), it is appropriate for applications demanding precision current control and monitoring.

● Output Current Limit Functions:

The XTR115UA/2K5 has output current limit functions to protect equipment and processes. These protections prevent current from exceeding predefined limits, improving system reliability.

● Voltage Regulation and VREF:

The device includes a 5-volt voltage regulator to power external components. It also includes a precise on-chip voltage reference (VREF) at either 2.5 volts (XTR115) or 4.096 volts (XTR116), which is required for sensor excitation and offsetting signals to ensure signal accuracy.

● Current Return Sensing (IRET):

The XTR115UA/2K5 provides a current return pin (IRET) for monitoring the current consumption of external circuits. This function enables for real-time adjustments to maintain precise output current, which is especially useful when external influences may alter the output current.

These principles work together to make the XTR115UA/2K5 a dependable and precise tool for current signal conversion and transmission, successfully serving a wide range of applications.

Applications of the XTR115UA/2K5

With its precision current output conversion capabilities and diverse features, the XTR115UA/2K5 finds applications in a wide range of sectors and circumstances. The XTR115UA/2K5 excels in the following main application areas:

● 2-Wire, 4-20mA Current Loop:

The XTR115UA/2K5 is developed specifically for 2-wire, 4-20mA current loop applications. It is an essential component in these systems, ensuring accurate and dependable current signal transmission over long distances. This is a popular use in industrial process control, monitoring, and automation systems.

● Transmitter and Smart Transmitter:

The XTR115UA/2K5 is essential in transmitter systems that require the conversion of physical variables (e.g., temperature, pressure, or level) into current signals. Its precision and low error rates ensure that the signals conveyed are extremely accurate. Furthermore, it works with smart transmitter systems, allowing for improved communication and diagnostics.

● Industrial Process Control:

The XTR115UA/2K5 is an important component in industrial process control applications. It ensures accurate current signal transmission, which aids in maintaining tight control over numerous factors like as temperature, pressure, flow, and level. This is critical in businesses such as manufacturing, chemical processing, and energy generation.

● Test Systems:

Precision and accuracy are critical in test and measurement systems. The XTR115UA/2K5 is essential for calibration, measurement, and signal conditioning. Because of its low error rates and large loop supply range, it is suited for a wide range of test configurations.

● Compatibility with HART Modem:

The HART (Highway Addressable Remote Transducer) modem communication protocol is supported by the XTR115UA/2K5. This interoperability enables seamless integration with HART-enabled systems, boosting control and monitoring capabilities in complicated industrial environments.

● Current and Voltage-to-Current Amplification:

The XTR115UA/2K5 can be used as a current amplifier or voltage-to-current amplifier in addition to its primary duty as a current output converter. This adaptability increases its utility in a variety of applications requiring signal amplification or conversion.

These applications demonstrate the XTR115UA/2K5’s adaptability and precision in industrial and measurement contexts. The XTR115UA/2K5 is a reliable and efficient solution that assures precision and reliability in your applications, whether you need to transfer crucial data over long distances, maintain precise control in industrial processes, or expand communication capabilities in smart systems.

Specifications of the XTR115UA/2K5

Here are the key specifications of the XTR115UA/2K5:

Low Quiescent Current:

  • Quiescent Current:The XTR115UA/2K5 operates with an ultra-low quiescent current of just 200 μA, making it highly energy-efficient for battery-powered applications.

Span and Nonlinearity Error:

  • Span Error:With a minimal span error of 0.05%, the device accurately scales input signals to the 4-mA-to-20-mA current range.
  • Nonlinearity Error:It maintains a low nonlinearity error of 0.003%, ensuring precise and consistent performance.

Wide Loop Supply Range:

  • Loop Supply Voltage Range:The XTR115UA/2K5 operates within a wide voltage range, from 7.5 V to 36 V, accommodating various system power requirements.

Package Information (SO-8):

  • Package Type:This device is available in the space-efficient and easy-to-integrate Small Outline (SO-8) package, streamlining PCB assembly.

These parameters emphasize the efficiency, precision, and adaptability of the XTR115UA/2K5 in current signal conversion applications. The XTR115UA/2K5’s features make it an attractive choice whether you need low power consumption, high precision, or versatility.

Benefits and Advantages of the XTR115UA/2K5

The XTR115UA/2K5 provides various distinct advantages and benefits that distinguish it as a standout choice for precision current signal conversion and transmission. Here are two major benefits:

● Accuracy and Precision:

The XTR115UA/2K5 is designed for precision and accuracy. It assures that the current scaling and conversion it does are incredibly accurate, with a low span error of only 0.05% and a nonlinearity error of 0.003%. This level of precision is critical in applications where accurate current control and measurement are critical. The precision of the XTR115UA/2K5 ensures reliable and consistent results in industrial process control and instrumentation.

● Extended Industrial Temperature Range:

The XTR115UA/2K5 is designed to operate in a wide range of industrial temperatures, from -40°C to +85°C. This increased temperature tolerance is a significant benefit in industrial and outdoor settings where temperature swings can be substantial. The device’s capacity to perform reliably in such conditions assures that it remains a dependable component in a wide range of applications, even in the most difficult environments.

These characteristics and advantages make the XTR115UA/2K5 an excellent choice for engineers and developers seeking precise and dependable current signal conversion and transmission in their systems. The XTR115UA/2K5 provides pinpoint precision as well as strong performance in tough climatic conditions.


The XTR115UA/2K5 is an effective option for precision current signal conversion and transmission. It is well-suited for a wide range of applications, from industrial process control to smart sensor systems, thanks to its high precision, extended temperature range, and versatile features.

Contact ICRFQ, China’s leading electronic component wholesaler, to learn more about the XTR115UA/2K5 and to place an order. Begin your journey to unlocking the power of precise motion detection right now!

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