LM1876TF/NOPB

Overview

The LM1876TF/NOPB is a dual-channel Class-AB audio power amplifier from the Overture series by Texas Instruments. It delivers 20W of output power into an 8-ohm load with a supply voltage range of 20V to 64V. The device features a gain-bandwidth product of 7.5 MHz and a total harmonic distortion plus noise of 0.08%. Designed for through-hole mounting in a TO-220 package, it operates within a temperature range of -20°C to +85°C.

Feature Summary

• Integrated mute and standby modes for flexible system control
• Internal current limiting and thermal shutdown protection
• High slew rate and wide power bandwidth for accurate signal reproduction

Applications

• Home theater systems
• Professional audio equipment
• Power amplifiers

Procurement Notes

Verify the specific suffix against the manufacturer's latest documentation to confirm pinout compatibility and functional equivalence. Confirm that the TO-220 package dimensions match the target PCB footprint. Ensure the operating voltage requirements align with the design specifications before integration.

Selection Notes

Select this component for applications requiring high-fidelity stereo amplification with integrated protection features. Consider the thermal management requirements associated with the TO-220 package when designing the heat dissipation strategy. Verify that the input impedance and drive capabilities meet the source signal requirements.

Part Context

This part belongs to the LM1876 Overture Audio Power Amplifier Series, designed for high-performance audio applications. It is manufactured by Texas Instruments and utilizes advanced circuit technology to achieve low distortion levels. The series is known for its robust protection mechanisms and ease of implementation in various audio designs.

Replacement Considerations

LM4766T/NOPB is a documented substitute offering dual 40W output capability.