Datasheet Summary
A Product Line of Diodes Incorporated
1.9W Class-D Audio Amplifier with Integrated Boost Converter and Battery Tracking AGC
Description
Pin Assignments
The PAM8905 is a high efficiency Class-D audio power amplifier with an integrated boost converter. It drives up to 1.9W (1% THD+N) into an 8Ω speaker. With 85% typical efficiency, the PAM8905 helps extend battery life when playing audio.
12 3 A PVDD SW BGND
The built-in boost converter generates the voltage rail for the output stage. This provides a louder audio output than a stand-alone amplifier connected directly to the battery. It also maintains a consistent loudness, regardless of battery voltage.
The PAM8905 Features...