XTR112U

4-20mA current transmitters with sensor excitation and linearization in 14-pin SOIC

Manufacturer: ['rochester', 'analog-devices', 'ti']

series introduction

# XTR112U Product Series Introduction

## 1. Overview
The XTR112U product series is a remarkable line of integrated circuits designed to meet the diverse and demanding requirements of industrial and instrumentation applications. These devices are engineered to provide high - performance signal conditioning and current transmission capabilities, making them an essential component in a wide range of systems where accurate and reliable data transfer is crucial.

## 2. Key Features

### 2.1 High - Precision Signal Processing
- The XTR112U offers excellent accuracy in signal conditioning. It can handle input signals with a high degree of precision, minimizing errors and ensuring that the output accurately represents the input. This is particularly important in applications such as process control, where even small inaccuracies can lead to significant deviations in the final product quality.
- It has a low offset voltage and low gain error, which contribute to its overall high - precision performance. The offset voltage is carefully calibrated during the manufacturing process to reduce any unwanted DC bias in the output signal, while the low gain error ensures that the amplification factor remains stable and accurate over a wide range of input signals.

### 2.2 Wide Input Voltage Range
- One of the standout features of the XTR112U is its ability to accept a wide range of input voltages. This flexibility allows it to interface with various sensors and signal sources, whether they produce low - level or high - level signals. For example, it can easily handle input voltages from millivolts to several volts, making it suitable for use with different types of sensors such as thermocouples, strain gauges, and pressure sensors.

### 2.3 Current Loop Transmission
- The XTR112U is specifically designed for 4 - 20 mA current loop transmission. This type of transmission is widely used in industrial applications due to its immunity to electrical noise and long - distance transmission capabilities. The device can accurately convert the input voltage signal into a corresponding 4 - 20 mA current signal, which can be transmitted over long cables without significant loss or interference.
- It also provides a high - impedance input, which helps to minimize the loading effect on the input signal source. This ensures that the sensor or other input device can operate normally without being affected by the XTR112U, maintaining the integrity of the original signal.

### 2.4 Low Power Consumption
- In today's energy - conscious world, low power consumption is a critical factor. The XTR112U is designed with power efficiency in mind. It operates on a relatively low supply voltage and consumes minimal power during normal operation. This not only reduces the overall energy consumption of the system but also helps to extend the battery life in portable or remote applications.

### 2.5 Temperature Stability
- The performance of electronic components can be significantly affected by temperature variations. The XTR112U is engineered to have excellent temperature stability. It can maintain its accuracy and performance over a wide temperature range, from - 40°C to + 85°C. This makes it suitable for use in harsh industrial environments where temperature fluctuations are common.

## 3. Applications

### 3.1 Industrial Process Control
- In industrial process control systems, the XTR112U plays a vital role in monitoring and controlling various parameters such as temperature, pressure, and flow rate. It can convert the signals from sensors into 4 - 20 mA current signals, which are then transmitted to a central control unit. The control unit can use these signals to adjust the process variables and ensure that the production process operates within the desired specifications.

### 3.2 Instrumentation
- For instrumentation applications, the XTR112U provides accurate signal conditioning and transmission. It can be used in test and measurement equipment, data acquisition systems, and other instruments

Images for reference

14-SOIC

14-SOIC

14-TSSOPa

14-TSSOPa

14-SOIC

14-SOIC

Datasheets

Partlist

XTR112U
XTR112U/2K5
XTR112UA
XTR112UA/2K5
XTR112UA/2K5E4
XTR112UAE4
XTR112UAG4
XTR112UE4