Texas Instruments

OPA2131UAG4  

OP Amps, Buffer Amps ICs

OPA2131UAG4 Description

The OPA2131UAG4 is a dual-channel, JFET-input operational amplifier (op-amp) designed by Texas Instruments. This device is part of the Linear Amplifiers (ICs) category and is housed in an 8-pin SOIC package. Despite being marked as obsolete, the OPA2131UAG4 remains a popular choice for applications requiring high performance and reliability. It features a voltage supply span ranging from 9 V to 36 V, making it suitable for a wide range of power supply configurations. The op-amp offers a gain bandwidth product of 4 MHz and a slew rate of 10 V/µs, ensuring high-speed performance and excellent signal fidelity.

OPA2131UAG4 Features

• High Input Impedance: With an input bias current of only 5 pA, the OPA2131UAG4 ensures minimal loading effects on the input signal, making it ideal for high-impedance sources.
• Low Input Offset Voltage: The 200 µV input offset voltage guarantees high accuracy in signal processing, reducing errors in precision applications.
• Dual-Channel Design: The OPA2131UAG4 provides two independent op-amp channels, allowing for compact and efficient circuit designs.
• High Output Current: Each channel can deliver up to 25 mA of output current, enabling the op-amp to drive moderate loads directly.
• Wide Operating Voltage Range: The ability to operate from 9 V to 36 V makes this op-amp versatile for various power supply voltages.
• Surface Mount Compatibility: The 8SOIC package format is suitable for surface-mount technology, facilitating automated assembly processes and compact PCB designs.
• Compliance and Safety: The OPA2131UAG4 is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 3, suitable for 168 hours of exposure.

OPA2131UAG4 Applications

The OPA2131UAG4 is well-suited for applications requiring high input impedance and low noise, such as:

• Precision Signal Conditioning: Ideal for amplifying weak signals from high-impedance sensors, ensuring minimal signal degradation.
• Audio Processing: Its low noise and high slew rate make it suitable for audio amplifiers, delivering clear and distortion-free sound.
• Industrial Control Systems: The wide operating voltage range and high output current capability make it suitable for driving actuators and other industrial components.
• Medical Equipment: The high accuracy and reliability are crucial for precise measurements and signal processing in medical devices.

Conclusion of OPA2131UAG4

The OPA2131UAG4 is a versatile and high-performance dual-channel JFET-input op-amp from Texas Instruments. Its unique features, such as low input bias current, low input offset voltage, and high slew rate, make it stand out from similar models. Despite its obsolete status, the OPA2131UAG4 remains a reliable choice for applications in precision signal conditioning, audio processing, industrial control systems, and medical equipment. Its compliance with environmental and safety standards further enhances its suitability for modern electronics.

OPA2131UAG4 Documents

Download datasheets and manufacturer documentation for OPA2131UAG4

Datasheets :

OPA131, 2131, 4131      

PCN Obsolescence/ EOL :

EOL 22/Jun/2023      

HTML Datasheet :

OPA131, 2131, 4131