LM4930LQX/NOPB

Audio Amplifiers Overview

The LM4930LQX/NOPB is a Class-AB stereo audio amplifier manufactured by Texas Instruments. It operates within a supply voltage range of 2.6 V to 4.5 V and delivers 35 mW of output power per channel into a 32-ohm load. The device utilizes an 8-WQFN package and functions across a temperature range of -40°C to 85°C. This component is designed for capacitor-less headphone amplification applications.

Audio Amplifiers Feature Summary

• Capacitor-less stereo output architecture
• Class-AB operation for high fidelity
• Low voltage compatibility

Audio Amplifiers Applications

• Headphone amplifiers
• Portable audio devices
• Mobile phones

Audio Amplifiers Procurement Notes

Verify the specific suffix 'NOPB' against the manufacturer's current datasheet to confirm lead-free status and RoHS compliance, as suffixes can indicate variations in packaging or material composition. Confirm availability status directly with authorized distributors, as this part may be subject to discontinuation or limited stock constraints.

Audio Amplifiers Selection Notes

Select this component when designing low-voltage portable audio systems requiring stereo output without external coupling capacitors. Ensure the design accommodates the 2.6 V to 4.5 V supply range and the thermal characteristics of the 8-WQFN package. Verify that the 32-ohm load impedance matches the target application requirements for optimal power delivery.

Audio Amplifiers Part Context

This part belongs to the LM4910/LM4930 family of low-power audio amplifiers from Texas Instruments. These components are engineered for battery-powered consumer electronics where space efficiency and power consumption are critical. The family typically features integrated shutdown modes and pop-and-click reduction circuits suitable for mobile platforms.

Audio Amplifiers Replacement Considerations

Check for direct pin-compatible alternatives within the LM49xx series. Verify if newer revisions of the LM4930 exist with updated packaging or enhanced performance metrics before sourcing obsolete inventory.