Texas Instruments

OPA234E/2K5

OPA234E/2K5 Description

The OPA234E/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 VSSOP package, making it suitable for surface-mount technology (SMT) and ideal for compact PCB designs. Despite its obsolescence, the OPA234E/2K5 remains a reliable choice for engineers seeking a versatile and high-performance solution.

OPA234E/2K5 Features

• Wide Supply Voltage Range: The OPA234E/2K5 operates over a wide supply voltage range from 2.7V to 36V, making it suitable for both low-voltage and high-voltage applications.
• Low Input Bias Current: With an input bias current of just 12nA, the OPA234E/2K5 minimizes the effects of input current on the signal, ensuring high accuracy and stability in precision applications.
• High Gain Bandwidth Product: The op-amp boasts a gain bandwidth product of 350kHz, allowing it to handle a wide range of frequencies with minimal distortion.
• Low Input Offset Voltage: An input offset voltage of 70µV ensures high accuracy and linearity in signal processing, making it ideal for precision analog circuits.
• Low Supply Current: Consuming only 275µA of supply current, the OPA234E/2K5 is energy-efficient, making it suitable for battery-powered and low-power applications.
• High Output Current: The op-amp can deliver up to 22mA of output current per channel, enabling it to drive a variety of loads effectively.
• Moisture Sensitivity Level: With an MSL rating of 3 (168 hours), the OPA234E/2K5 is suitable for use in environments with moderate humidity levels.
• Compliance: The OPA234E/2K5 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.

OPA234E/2K5 Applications

The OPA234E/2K5 is well-suited for a variety of applications due to its wide operating voltage range, low input bias current, and high gain bandwidth product. Some specific use cases include:

• Precision Signal Amplification: Ideal for amplifying low-level signals in instrumentation and measurement equipment.
• Analog-to-Digital Conversion: Enhances the performance of ADCs by providing a clean, amplified signal with minimal distortion.
• Battery-Powered Devices: Suitable for portable electronics and IoT devices where low power consumption is critical.
• Industrial Control Systems: Reliable performance in harsh industrial environments, thanks to its wide operating voltage range and moisture sensitivity level.
• Medical Equipment: High precision and low offset voltage make it suitable for medical devices requiring accurate signal processing.

Conclusion of OPA234E/2K5

The OPA234E/2K5 from Texas Instruments is a robust and versatile operational amplifier that offers a balance of performance and efficiency. Its wide supply voltage range, low input bias current, and high gain bandwidth product make it a reliable choice for a variety of analog signal processing applications. Despite its obsolescence, the OPA234E/2K5 remains a valuable component for engineers seeking a general-purpose op-amp with high precision and low power consumption.