Texas Instruments

INA128UAE4

INA128UAE4 Description

The INA128UAE4 is a high-performance instrumentation amplifier from Texas Instruments, designed for precision signal conditioning in a wide range of applications. This device is housed in an 8-pin SOIC package, making it suitable for surface-mount applications. Despite being marked as obsolete, the INA128UAE4 remains a reliable choice for engineers seeking a robust and versatile instrumentation amplifier.

INA128UAE4 Features

• Wide Supply Voltage Range: The INA128UAE4 operates over a supply voltage range from 4.5 V to 36 V, making it suitable for both low-voltage and high-voltage applications.
• Low Input Bias Current: With an input bias current of only 2 nA, this amplifier minimizes the loading effect on high-impedance sources, ensuring high accuracy and stability in signal measurement.
• High Bandwidth: The -3dB bandwidth of 1.3 MHz allows for the amplification of a wide range of frequencies, making it ideal for applications requiring fast signal processing.
• High Slew Rate: A slew rate of 4 V/µs ensures that the amplifier can handle high-frequency signals without distortion, providing a clear and accurate output.
• Low Input Offset Voltage: The low input offset voltage of 25 µV ensures minimal error in the amplified signal, contributing to high precision in measurement applications.
• Low Supply Current: The device consumes only 700 µA of supply current, making it energy-efficient and suitable for battery-powered or low-power applications.
• High Output Current: The ability to drive up to 15 mA per channel allows the INA128UAE4 to drive loads directly, reducing the need for additional buffering components.
• Compliance and Packaging: The INA128UAE4 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It is packaged in a tube, which provides robust protection during shipping and handling.

INA128UAE4 Applications

The INA128UAE4 is well-suited for a variety of applications where precision signal amplification is required:

• Sensor Signal Conditioning: Ideal for amplifying signals from sensors such as strain gauges, thermocouples, and pressure sensors, where high input impedance and low noise are critical.
• Medical Equipment: Used in medical devices for amplifying weak biological signals, such as ECG and EEG, ensuring high accuracy and reliability.
• Industrial Automation: Suitable for industrial applications where robustness and precision are essential, such as in process control and instrumentation systems.
• Data Acquisition Systems: Provides high-precision amplification for data acquisition systems, ensuring accurate and reliable signal processing.

Conclusion of INA128UAE4

The INA128UAE4 is a versatile and high-performance instrumentation amplifier that offers a wide range of features and benefits. Its wide supply voltage range, low input bias current, high bandwidth, and low input offset voltage make it an excellent choice for precision signal conditioning in various applications. Despite being marked as obsolete, the INA128UAE4 remains a reliable and efficient solution for engineers seeking a robust instrumentation amplifier. Its compliance with environmental and safety standards further enhances its suitability for modern electronic designs.