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INA128UA/2K5G4
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INA128UA/2K5G4 Description
INA128UA/2K5G4 Description
The INA128UA/2K5G4 is a precision instrumentation amplifier designed by Texas Instruments, renowned for its high performance and reliability in various electronic applications. This IC is part of the Linear Amplifiers(ICs) category and features a single circuit in an 8SOIC package. Despite being marked as obsolete, the INA128UA/2K5G4 remains a valuable component due to its unique technical specifications and performance benefits.
INA128UA/2K5G4 Features
- Supply Voltage Range: The INA128UA/2K5G4 operates within a wide supply voltage range of 4.5 V to 36 V, making it suitable for a variety of power supply configurations.
- Low Input Bias Current: With an input bias current of only 2 nA, this amplifier minimizes the impact of bias currents on sensitive measurements, ensuring high accuracy.
- High Bandwidth: The -3dB bandwidth of 1.3 MHz allows for high-frequency signal processing, making it ideal for applications requiring fast response times.
- High Slew Rate: A slew rate of 4V/µs ensures that the amplifier can handle rapid changes in input signals without distortion.
- Low Input Offset Voltage: The low input offset voltage of 25 µV guarantees precise measurements and minimal error in differential signal processing.
- Low Supply Current: Consuming only 700µA of supply current, this amplifier is energy-efficient, making it suitable for battery-powered and low-power applications.
- High Output Current: The ability to provide up to 15 mA of output current per channel allows for driving various loads effectively.
- Surface Mount Technology: The surface mount mounting type ensures ease of integration into modern PCB designs.
- Compliance and Packaging: The INA128UA/2K5G4 is REACH unaffected and ROHS3 compliant, ensuring environmental safety. It is packaged in tape & reel (TR) format, facilitating automated assembly processes.
INA128UA/2K5G4 Applications
The INA128UA/2K5G4 is particularly well-suited for applications requiring high precision and low noise, such as:
- Sensor Interfaces: Ideal for interfacing with low-level sensors, such as strain gauges and thermocouples, where high input impedance and low bias current are crucial.
- Medical Equipment: Suitable for medical devices that require accurate signal processing and low noise, such as ECG and EEG machines.
- Industrial Automation: Can be used in industrial control systems where precise measurement and signal conditioning are necessary.
- Data Acquisition Systems: Effective in data acquisition systems that require high accuracy and low noise for signal processing.
Conclusion of INA128UA/2K5G4
The INA128UA/2K5G4, despite being marked as obsolete, remains a robust choice for applications requiring high precision and reliability. Its wide supply voltage range, low input bias current, high bandwidth, and low supply current make it a versatile and efficient component. While newer models may offer additional features, the INA128UA/2K5G4's proven performance and compliance with industry standards ensure its continued relevance in various electronic applications.



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