General Description

The PAM8803 is a 3W, class-D audio amplifier with 64-step digital volume control. It offers low THD+N, allowing it to produce high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, without needing low-pass output filters which will save 30 system cost and 75 PCB area.

Key Features

■ 3W Output at 10 THD with a 4Ω Load and 5V Power Supply

■ Filterless, Low Quiescent Current and Low EMI

■ Low THD+N

■ 64-step Digital Volume Control

■ Superior Low Noise

■ Low pop noise

■ Efficiency up to 90

■ Short Circuit Protection

■ Thermal Shutdown

■ Few External Components to Save Space and Cost

■ Pb-Free Package

Applications

■ LCD Monitors/TV Projectors

■ Notebook Computers

■ Portable Speakers

■ Portable DVD Players, Game Machines

■ Cellular Phones/Speaker Phones