Texas Instruments

OPA861IDBVR

OPA861IDBVR Description

The OPA861IDBVR is a high-performance transconductance operational amplifier designed by Texas Instruments. This obsolete yet highly capable device offers a wide supply voltage range from 4 V to 12.6 V, making it suitable for a variety of power supply configurations. It features a gain bandwidth product of 80 MHz, ensuring high-frequency performance and stability in demanding applications. The OPA861IDBVR is packaged in a compact SOT23-6 surface-mount package, ideal for space-constrained designs.

OPA861IDBVR Features

• High Gain Bandwidth Product: The 80 MHz gain bandwidth product allows the OPA861IDBVR to handle high-frequency signals with minimal distortion, making it ideal for applications requiring fast signal processing.
• High Slew Rate: With a slew rate of 900 V/µs, the OPA861IDBVR can quickly respond to large signal changes, ensuring accurate reproduction of high-frequency signals.
• Low Input Bias Current: The low input bias current of 1 µA minimizes the loading effect on the input source, preserving signal integrity and reducing noise.
• Wide Supply Voltage Range: The supply voltage range of 4 V to 12.6 V provides flexibility in power supply design, allowing the amplifier to operate in a variety of systems.
• Low Input Offset Voltage: The 3 mV input offset voltage ensures high accuracy in signal amplification, reducing errors in precision applications.
• High Output Current: The ability to provide up to 15 mA per channel allows the OPA861IDBVR to drive moderate loads directly, simplifying circuit design.
• Compliance and Packaging: The device is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met. The Tape & Reel (TR) packaging facilitates automated assembly processes.

OPA861IDBVR Applications

The OPA861IDBVR is well-suited for applications requiring high-speed signal processing and amplification. Its high gain bandwidth product and slew rate make it ideal for:

• High-Speed Signal Conditioning: Ideal for applications where fast and accurate signal processing is required, such as in high-speed data acquisition systems.
• Precision Amplification: Suitable for precision instrumentation where low input offset voltage and low input bias current are critical.
• RF and Microwave Applications: The high-frequency performance of the OPA861IDBVR makes it suitable for RF and microwave systems where signal integrity is paramount.
• Consumer Electronics: The compact SOT23-6 package and wide supply voltage range make it suitable for consumer electronics where space and power efficiency are important.

Conclusion of OPA861IDBVR

The OPA861IDBVR, despite being obsolete, remains a robust choice for high-speed, high-performance applications. Its wide supply voltage range, high gain bandwidth product, and high slew rate provide significant advantages over similar models. The low input bias current and low input offset voltage ensure high accuracy and minimal signal distortion. The compact SOT23-6 package and surface-mount mounting type make it ideal for space-constrained designs. While newer alternatives may exist, the OPA861IDBVR continues to offer reliable performance in applications requiring high-speed signal processing and precision amplification.