Texas Instruments

INA155U  

OP Amps, Buffer Amps ICs

INA155U Description

The INA155U is a high-performance instrumentation amplifier designed by Texas Instruments, featuring a wide supply voltage range from 2.7 V to 5.5 V. This versatile IC is housed in an 8SOIC package, making it suitable for surface-mount applications. The INA155U is actively manufactured and is REACH unaffected and ROHS3 compliant, ensuring it meets the latest environmental and regulatory standards. With a moisture sensitivity level (MSL) of 2 (1 Year), it is well-suited for various industrial and commercial applications.

INA155U Features

• Wide Supply Voltage Range: The INA155U operates within a supply voltage span of 2.7 V to 5.5 V, providing flexibility in power supply options.
• Low Input Bias Current: With an input bias current of just 1 pA, the INA155U minimizes the impact of input current on the signal, ensuring high accuracy and stability.
• High Bandwidth: The -3dB bandwidth of 550 kHz ensures that the amplifier can handle high-frequency signals with minimal distortion.
• Fast Slew Rate: A slew rate of 6.5 V/µs allows the INA155U to respond quickly to changes in input signals, making it ideal for applications requiring rapid signal processing.
• Low Input Offset Voltage: The voltage input offset is as low as 200 µV, contributing to high precision in signal amplification.
• Low Supply Current: Consuming only 1.7 mA of supply current, the INA155U is energy-efficient, making it suitable for battery-powered and low-power applications.
• High Output Current: The amplifier can deliver up to 50 mA per channel, providing robust output capabilities.
• Single Circuit Design: The INA155U features a single circuit design, simplifying integration into various electronic systems.

INA155U Applications

The INA155U is ideal for a variety of applications due to its high performance and flexibility. Some specific use cases include:

• Precision Signal Conditioning: The low input bias current and low input offset voltage make the INA155U suitable for applications requiring high-precision signal conditioning, such as in medical devices and scientific instruments.
• Industrial Control Systems: The wide supply voltage range and high output current capability allow the INA155U to be used in industrial control systems where robustness and reliability are critical.
• Battery-Powered Devices: The low supply current ensures that the INA155U is energy-efficient, making it an excellent choice for battery-powered devices where power consumption is a concern.
• High-Frequency Signal Processing: The high bandwidth and fast slew rate enable the INA155U to handle high-frequency signals effectively, making it suitable for applications in communication systems and high-speed data acquisition.

Conclusion of INA155U

The INA155U from Texas Instruments is a highly versatile and high-performance instrumentation amplifier. Its wide supply voltage range, low input bias current, and high bandwidth make it suitable for a variety of applications, from precision signal conditioning to industrial control systems. The low supply current and high output current capabilities further enhance its suitability for both low-power and high-output applications. With its REACH unaffected and ROHS3 compliant status, the INA155U is an environmentally friendly choice for modern electronics design. Overall, the INA155U stands out as a reliable and efficient solution for a wide range of electronic applications.

INA155U Documents

Download datasheets and manufacturer documentation for INA155U

Datasheets :

INA155