Texas Instruments

OPA2137U/2K5

OPA2137U/2K5 Description

The OPA2137U/2K5 is a high-performance, low-noise operational amplifier (op-amp) from Texas Instruments, designed for precision signal processing applications. This dual-channel op-amp is part of the MicroAmplifier™ series and is housed in an 8-pin SOIC package, making it suitable for surface-mount applications. It offers a wide supply voltage range from 4.5 V to 36 V, ensuring flexibility in power supply requirements. The OPA2137U/2K5 is characterized by its low input bias current of 5 pA, which is crucial for maintaining high input impedance and minimizing signal distortion. With a gain bandwidth product of 1 MHz and a slew rate of 3.5 V/µs, this op-amp delivers excellent performance in a wide range of applications, from audio to precision instrumentation.

OPA2137U/2K5 Features

• Wide Supply Voltage Range: The OPA2137U/2K5 operates from a supply voltage range of 4.5 V to 36 V, providing flexibility in various power supply configurations.
• Low Input Bias Current: With an input bias current of just 5 pA, this op-amp ensures minimal loading on the input signal source, making it ideal for high-impedance applications.
• Low Noise Performance: The OPA2137U/2K5 is designed to provide low noise performance, which is essential for precision signal processing and high-fidelity audio applications.
• High Slew Rate: A slew rate of 3.5 V/µs ensures that the op-amp can handle fast signal transitions without distortion, making it suitable for high-speed applications.
• Precision Input Offset Voltage: The input offset voltage of 1.5 mV ensures accurate signal processing and minimal error in precision applications.
• Compliance and Packaging: The OPA2137U/2K5 is REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory compliance. It is available in a tape and reel package, facilitating efficient surface-mount assembly processes.

OPA2137U/2K5 Applications

• Precision Signal Processing: The OPA2137U/2K5 is ideal for applications requiring high precision and low noise, such as precision instrumentation, medical devices, and industrial control systems.
• High-Fidelity Audio: Its low noise and wide supply voltage range make it suitable for high-fidelity audio applications, including preamplifiers, mixers, and active filters.
• Sensor Interfaces: The low input bias current and high input impedance make it an excellent choice for interfacing with high-impedance sensors, ensuring accurate signal conditioning.
• Analog Signal Conditioning: The OPA2137U/2K5 can be used in various analog signal conditioning applications, such as voltage followers, inverting and non-inverting amplifiers, and active filters.

Conclusion of OPA2137U/2K5

The OPA2137U/2K5 from Texas Instruments is a versatile and high-performance operational amplifier that offers a combination of low noise, low input bias current, and a wide supply voltage range. Its precision performance and compliance with industry standards make it an ideal choice for a wide range of applications, from precision signal processing to high-fidelity audio. The OPA2137U/2K5's unique features, such as its high slew rate and low input offset voltage, provide significant advantages over similar models, ensuring reliable and accurate performance in demanding applications.