Texas Instruments

OPA234UA/2K5

OPA234UA/2K5 Description

The OPA234UA/2K5 is a general-purpose operational amplifier (op-amp) from Texas Instruments, designed for a wide range of analog signal processing applications. This op-amp is housed in an 8-pin SOIC package and is suitable for surface-mount applications. It features a broad supply voltage range, from a minimum of 2.7 V to a maximum of 36 V, making it versatile for various power supply configurations. The OPA234UA/2K5 offers a gain bandwidth product of 350 kHz and a slew rate of 0.2 V/µs, ensuring stable and reliable performance in signal amplification tasks. With a supply current of 275 µA and an input bias current of 12 nA, it is optimized for low-power and high-precision applications. The device also boasts a low input offset voltage of 70 µV, which is crucial for maintaining signal integrity in sensitive circuits. Despite its obsolescence status, the OPA234UA/2K5 remains a reliable choice for engineers seeking a robust and versatile op-amp solution.

OPA234UA/2K5 Features

• Wide Supply Voltage Range: The OPA234UA/2K5 operates from 2.7 V to 36 V, providing flexibility in power supply requirements.
• High Gain Bandwidth Product: With a gain bandwidth product of 350 kHz, this op-amp ensures high-frequency performance and stability.
• Low Input Bias Current: An input bias current of 12 nA minimizes the impact on the input signal, making it suitable for high-impedance sources.
• Low Input Offset Voltage: A low input offset voltage of 70 µV ensures high accuracy and precision in signal processing.
• Low Supply Current: The op-amp draws only 275 µA of supply current, making it ideal for low-power applications.
• Surface-Mount Package: The 8-pin SOIC package is suitable for surface-mount technology, facilitating easy integration into compact designs.
• High Output Current: Each channel can deliver up to 22 mA of output current, enabling robust signal drive capabilities.
• Compliance and Safety: The OPA234UA/2K5 is REACH unaffected and RoHS3 compliant, ensuring environmental and safety standards are met.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), it is suitable for manufacturing environments with controlled humidity.

OPA234UA/2K5 Applications

The OPA234UA/2K5 is well-suited for a variety of applications due to its versatile performance characteristics:

• Signal Conditioning: Ideal for amplifying and conditioning low-level signals in sensors and transducers.
• Audio Amplification: Suitable for audio signal processing, providing clean and stable amplification.
• Precision Measurement: Its low input offset voltage and bias current make it suitable for precision measurement circuits.
• Industrial Control: The wide supply voltage range and robust performance make it suitable for industrial control systems.
• Medical Equipment: The high precision and low power consumption are beneficial for medical devices requiring accurate signal processing.
• Consumer Electronics: The compact surface-mount package and low power consumption are advantageous for consumer electronics applications.

Conclusion of OPA234UA/2K5

The OPA234UA/2K5 from Texas Instruments is a versatile general-purpose op-amp that offers a combination of high performance and low power consumption. Its wide supply voltage range, low input bias current, and low input offset voltage make it suitable for a variety of applications, from precision measurement to audio amplification. Despite its obsolescence status, the OPA234UA/2K5 remains a reliable and cost-effective solution for engineers seeking a robust op-amp for their designs.