LM4846TL/NOPB

Audio Amplifiers Overview

The LM4846TL/NOPB is a monaural audio amplifier IC from National Semiconductor, now part of Texas Instruments. It delivers 1.15W of output power and utilizes Class AB topology for efficient audio reproduction. The device is housed in a compact 25-DSBGA package, designed for surface-mount applications. This component serves as a dedicated solution for single-channel audio amplification needs in portable electronic devices.

Audio Amplifiers Feature Summary

• Class AB operation for high-fidelity audio performance
• Monaural configuration optimized for single-channel use
• Compact 25-DSBGA surface-mount packaging

Audio Amplifiers Applications

• Portable audio equipment
• Mobile communication devices
• Consumer electronics with mono audio requirements

Audio Amplifiers Procurement Notes

Verify the manufacturer origin, as National Semiconductor assets were acquired by Texas Instruments. Confirm the specific suffix 'NOPB' indicates lead-free and RoHS compliance status. Ensure the package type matches the required 25-DSBGA footprint for PCB integration. Cross-reference datasheets to confirm electrical characteristics align with system design specifications before finalizing procurement orders.

Audio Amplifiers Selection Notes

Select this component when a single-channel, high-efficiency audio solution is required for space-constrained designs. The Class AB architecture offers a balance between power output and thermal management. Consider the 25-DSBGA package size relative to available board real estate. Verify compatibility with the target supply voltage range and load impedance to ensure optimal 1.15W performance without distortion.

Audio Amplifiers Part Context

This part belongs to the National Semiconductor audio amplifier family, which has been integrated into Texas Instruments' product portfolio. The LM4846 series focuses on delivering robust audio performance in small form factors. The NOPB suffix typically denotes environmental compliance, distinguishing it from older non-compliant variants within the same functional lineage.

Audio Amplifiers Replacement Considerations

Check for direct equivalents within the Texas Instruments LM4846 series. Verify pinout compatibility if substituting with other mono amplifiers. Ensure replacement parts maintain the 1.15W output capability and similar package dimensions to avoid redesigning the host circuit board or changing mounting hardware.