Texas Instruments

OPA2680N

OPA2680N Description

The OPA2680N is a high-performance dual operational amplifier from Texas Instruments, designed for demanding applications requiring high-speed signal processing. It is part of the SpeedPlus™ series, known for its exceptional performance characteristics. This op-amp features a voltage feedback architecture, offering a gain bandwidth product of 300 MHz and a -3dB bandwidth of 400 MHz, making it suitable for high-frequency applications. The OPA2680N operates from a supply voltage range of 5 V to 12 V and has a supply current of 12.8 mA across both channels. It also boasts a high slew rate of 1800 V/µs, ensuring minimal distortion in high-frequency signals.

OPA2680N Features

• High Gain Bandwidth Product: The OPA2680N offers a gain bandwidth product of 300 MHz, enabling it to handle high-frequency signals with ease.
• Wide Supply Voltage Range: With a supply voltage range of 5 V to 12 V, the op-amp is versatile and can be used in various power supply configurations.
• High Slew Rate: The 1800 V/µs slew rate ensures minimal distortion in high-frequency signals, making it ideal for applications requiring fast signal processing.
• Low Input Bias Current: The input bias current is only 8 µA, which helps in maintaining high input impedance and reducing signal degradation.
• Dual Channel Design: The OPA2680N is a dual-channel op-amp, allowing for the processing of two independent signals simultaneously.
• High Output Current: Each channel can deliver up to 190 mA of output current, making it suitable for driving high-load applications.
• Surface Mount Package: The OPA2680N is available in a surface mount package, facilitating easy integration into compact and high-density PCB designs.

OPA2680N Applications

The OPA2680N is ideal for a variety of high-speed signal processing applications, including:

• High-Frequency Signal Amplification: Suitable for applications requiring amplification of high-frequency signals, such as in RF and microwave systems.
• Video Signal Processing: Ideal for video signal amplification and processing due to its high bandwidth and low distortion characteristics.
• Data Acquisition Systems: The high slew rate and wide bandwidth make it suitable for high-speed data acquisition systems where signal integrity is crucial.
• High-Speed ADC/DAC Interfaces: The OPA2680N can be used to drive high-speed analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) to ensure accurate signal conversion.

Conclusion of OPA2680N

The OPA2680N from Texas Instruments is a high-performance dual operational amplifier designed for high-speed signal processing applications. Its wide bandwidth, high slew rate, and low input bias current make it an excellent choice for demanding applications such as high-frequency signal amplification, video signal processing, and high-speed data acquisition systems. Despite being marked as obsolete, the OPA2680N remains a reliable option for engineers seeking high-performance op-amps in their designs.