LM4916LDX/NOPB

Audio Amplifiers Overview

The LM4916LDX/NOPB is a Class-AB audio amplifier manufactured by Texas Instruments, housed in a WSON-10 surface-mount package. It operates within an ambient temperature range of -40°C to +85°C and supports SMD/SMT installation. The device functions as a headphone amplifier with mono output capability delivering 85 mW or stereo output at 14 mW using analog inputs. It is moisture sensitive and part of the LM4916 series.

Audio Amplifiers Feature Summary

• Class-AB topology for audio amplification
• Integrated headphone amplifier functionality
• Supports mono and stereo analog input configurations

Audio Amplifiers Applications

• Portable audio devices
• Headphone circuits
• Mobile communication equipment

Audio Amplifiers Procurement Notes

Verify the manufacturer designation as Texas Instruments despite the National Semiconductor origin of the LM4916 family. Confirm the specific suffix /NOPB indicates lead-free/RoHS compliance. Ensure the WSON-10 package type matches the design requirements. Check current availability status as inventory levels fluctuate.

Audio Amplifiers Selection Notes

Select this component for applications requiring low-power Class-AB amplification in a compact WSON-10 footprint. Consider the thermal performance limits between -40°C and +85°C. Evaluate the power output capabilities against the specific load impedance requirements of the target audio system.

Audio Amplifiers Part Context

This component belongs to the LM4916 series of audio amplifiers originally developed by National Semiconductor and now produced by Texas Instruments following their acquisition. The series includes variants such as the LM4912 and LM4915, offering different power outputs and package options for portable audio applications.