LM1875T/LF05

Overview

The LM1875T/LF05 is a monolithic Class-AB audio power amplifier manufactured by Texas Instruments. It delivers 20W of output power into an 8-ohm load with a supply voltage range of 16V to 60V. The device features a gain bandwidth product of 5.5 MHz, a total harmonic distortion plus noise of 0.015%, and an input bias current of 2 uA. It operates within a temperature range of 0°C to +70°C and utilizes a TO-220-5 through-hole package.

Feature Summary

• Integrated overload protection including internal current limiting and thermal shutdown mechanisms.
• Designed for low distortion performance utilizing advanced circuit technology.
• Internal compensation ensures stability at gains of 10 or greater.

Applications

• Consumer audio equipment
• Signal processing systems

Procurement Notes

Verify the specific suffix LF05 against the official datasheet to confirm it denotes the standard TO-220-5 package variant without functional deviation from the base LM1875 model. Ensure the component matches the required operating temperature range and pin configuration for your design.

Selection Notes

Select this component for applications requiring high-quality audio amplification with minimal external components. It is suitable for designs needing robust protection features and stable operation across a wide power supply voltage range.

Part Context

This part belongs to the LM1875 series of audio power amplifiers. It serves as a high-performance solution for consumer electronics, offering significant power output in a compact form factor while maintaining low harmonic distortion.

Replacement Considerations

LM1875T/NOPB