OPA2686U

Instrumentation, Op Amps, Buffer Amps Overview

The OPA2686U is a dual, wideband, low noise voltage feedback operational amplifier manufactured by Texas Instruments. It operates from ±5V supplies with a quiescent current of 12mA per channel. Key electrical parameters include a gain bandwidth product of 1.6GHz, an input voltage noise density of 1.4nV/√Hz, and a slew rate of 600V/μs. The device is stable for gains greater than or equal to +7V/V and features high channel isolation of 70dB.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Provides two matched channels in a single package for high-speed differencing and transimpedance applications.
• Features very low distortion output stage combined with high gain bandwidth product for superior dynamic range.
• Designed for excellent flatness at moderate gains while maintaining exceptional slew rates.

Instrumentation, Op Amps, Buffer Amps Applications

• Low noise xDSL receiver amplifiers
• Differential ADC preamplifiers
• Matched I and Q channel amplifiers
• Professional audio dual transimpedance circuits

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific ordering suffix against official documentation to confirm packaging type and quantity. Ensure the component meets RoHS compliance requirements for your assembly process. Confirm that the SO-8 surface mount package aligns with your PCB footprint design rules and thermal management strategies before finalizing procurement.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high speed and low noise are critical simultaneously. It is suitable for applications requiring gains of +7V/V or higher without external compensation. Consider its de-compensated architecture for broadband transimpedance designs where maximizing bandwidth from photodetectors is necessary.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the OPA2686 series of dual wideband operational amplifiers. It is designed to replace older Burr-Brown designs with modern performance metrics. The U suffix indicates the SO-8 surface mount package variant within the broader family of OPA2686 devices.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

OPA2686U/2K5