Texas Instruments

INA128U/2K5

The INA128U/2K5 is a precision monolithic instrumentation amplifier manufactured by Texas Instruments. It is designed for use in a wide range of applications that require accurate and stable amplification of small differential signals.

Description:

The INA128U/2K5 is a low-cost, precision instrumentation amplifier with an input voltage range that can accommodate both single-ended and differential signals. It features a gain bandwidth product of 2.5 MHz and a maximum output current of ±100 mA. The device is available in an 8-pin SOIC package.

Features:

1. Precision amplification with a gain bandwidth product of 2.5 MHz
2. Low input offset voltage (typical 25 µV)
3. Low drift (typical 0.5 µV/°C)
4. High input impedance (>1012 ohms)
5. Wide supply voltage range (±2.5V to ±18V)
6. Short-circuit protection
7. Available in an 8-pin SOIC package

Applications:

1. Medical instrumentation (e.g., EEG, EMG, ECG amplifiers)
2. Strain gauge amplifiers
3. pH meter amplifiers
4. Pressure sensor amplifiers
5. Temperature sensor amplifiers
6. Industrial control systems
7. Data acquisition systems

The INA128U/2K5 is an ideal choice for applications that require high precision and stability in amplifying small differential signals. Its low input offset voltage and drift, combined with a high input impedance, make it suitable for use with a variety of sensors and transducers. The device's wide supply voltage range and short-circuit protection features also contribute to its reliability and ease of use in various applications.