LM3886T/NOPB

Audio Amplifiers Overview

The LM3886T/NOPB is a high-performance Class-AB audio power amplifier manufactured by Texas Instruments. It delivers 68 watts of continuous output power into a 4-ohm load with a supply voltage range of 20 V to 84 V. The device features a gain bandwidth product of 8 MHz and a total harmonic distortion plus noise of 0.03%. It operates within a temperature range of -20°C to +70°C and utilizes an 11-pin TO-220 through-hole package.

Audio Amplifiers Feature Summary

• Delivers high-fidelity audio amplification with low distortion characteristics suitable for demanding speaker applications.
• Incorporates internal protection mechanisms including short-circuit current limiting and thermal shutdown to ensure operational reliability.
• Supports wide dual-supply voltage operation, enabling flexible integration into various high-power audio systems.

Audio Amplifiers Applications

• High-fidelity stereo and mono speaker amplification
• Professional audio power amplifiers
• Active loudspeaker systems

Audio Amplifiers Procurement Notes

Verify the manufacturer designation as Texas Instruments, which acquired National Semiconductor. Confirm the specific suffix NOPB indicates lead-free and RoHS compliance. Ensure the package type matches the required 11-pin TO-220 configuration for the intended circuit design.

Audio Amplifiers Selection Notes

Select this component when high output power and low distortion are critical requirements. The TO-220 package facilitates effective heat dissipation for high-power applications. Verify that the system power supply can provide the necessary voltage range and current capacity to support the amplifier's maximum output capabilities.

Audio Amplifiers Part Context

This part belongs to the LM3886 series of audio power amplifiers. It represents the through-hole variant of the device family, designed for robust mounting in high-power audio equipment. The series is widely recognized for its balance of performance and ease of implementation in analog audio circuits.

Audio Amplifiers Replacement Considerations

Compatible substitutes include LM3886TF and LM3886DWF. Verify pinout compatibility and thermal management requirements before substitution.