LM4915LQX/NOPB

Audio Amplifiers Overview

The LM4915LQX/NOPB is a Class-AB mono audio amplifier manufactured by Texas Instruments, designed for low-voltage analog input headphone applications. It delivers 400 mW of output power into a 32 Ohm load. The device operates within a supply voltage range of 2.2 V to 5.5 V and functions reliably across an extended temperature range from -40°C to +85°C. It utilizes an LLP-8 surface-mount package suitable for space-constrained designs.

Audio Amplifiers Feature Summary

• Class-AB topology optimized for high-fidelity mono audio reproduction
• Capacitor-less output configuration eliminates external coupling components
• Operates on single low-voltage power supplies ranging from 2.2 V to 5.5 V

Audio Amplifiers Applications

• Portable digital audio players
• Mobile phone headphone outputs
• MP3 player circuits

Audio Amplifiers Procurement Notes

Verify the specific suffix LQX against the official datasheet to confirm the LLP-8 package and reel quantity specifications. Ensure the NOPB designation aligns with current RoHS compliance requirements before finalizing procurement orders.

Audio Amplifiers Selection Notes

Select this component when a single-channel solution is required for driving 32 Ohm headphones directly from low-voltage sources. The LLP-8 package offers a compact footprint compared to traditional leaded packages, facilitating dense PCB layouts for portable electronics.

Audio Amplifiers Part Context

This part belongs to the LM4915 series of audio amplifiers from Texas Instruments. It serves as a specialized mono variant within the broader Boomer family, focusing specifically on efficient performance in battery-powered consumer audio devices requiring minimal external circuitry.

Audio Amplifiers Replacement Considerations

LM4915LQ/NOPB