LM4808LD/NOPB

Audio Amplifiers Overview

The LM4808LD/NOPB is a dual audio power amplifier manufactured by Texas Instruments. It is designed for headphone applications, delivering 105 mW of output power per channel into a 16-ohm load. The device operates within a supply voltage range of 2.7 V to 5.5 V and utilizes an AB-class topology. It features a compact 10-WSON package with dimensions of 2.5 mm by 2.5 mm. The component supports operation across a temperature range from -40°C to +85°C.

Audio Amplifiers Feature Summary

• Dual-channel stereo audio amplification optimized for low-voltage portable devices
• Integrated thermal protection circuitry to prevent damage during overload conditions
• Pop-suppression capability to minimize audible noise during power-up and power-down sequences

Audio Amplifiers Applications

• Portable media players requiring high-quality stereo audio output
• Mobile communication devices utilizing integrated headphone drivers
• Handheld gaming consoles with dedicated audio subsystems

Audio Amplifiers Procurement Notes

Verify the specific suffix LD against the official datasheet to confirm the package type and tape-and-reel specifications. Ensure the NOPB designation aligns with current RoHS compliance requirements. Cross-reference the manufacturer's latest product change notifications to confirm active status and availability constraints before finalizing procurement plans.

Audio Amplifiers Selection Notes

Select this component when a dual-channel solution is required for battery-powered systems operating between 2.7 V and 5.5 V. The 10-WSON footprint offers space efficiency compared to larger packages. Consider the thermal performance characteristics if the design demands sustained high-power output in enclosed environments without additional heat sinking.

Audio Amplifiers Part Context

This part belongs to the LM4808 family of audio amplifiers from Texas Instruments. It shares functional similarities with other Boomer series components but is distinct in its dual-channel configuration and specific package constraints. It serves as a specialized solution for stereo audio applications where size and power efficiency are critical design parameters.

Audio Amplifiers Replacement Considerations

Consult the official datasheet for direct pin-compatible alternatives within the same family. Verify that any substitute maintains the 10-WSON package dimensions and electrical characteristics to ensure mechanical and functional compatibility.