LM48511 Datasheet - Texas Instruments

LM48511 Audio Power Amplifier

The LM48511 device integrates a boost converter with a high-efficiency Class D audio power amplifier to provide 3-W continuous power into an 8-Ω speaker when operating from a 5-V power supply. When operating from a 3-V to 4-V power supply, the LM48511 can be configured to drive 1 to 2.5 W into an 8-.

LM48511 Features

* 1 3-W Output into 8 Ω at 5 V With THD+N = 1%

* Selectable spread spectrum mode reduces EMI

* 80% Efficiency

* Independent regulator and amplifier shutdown controls

* Dynamically Selectable Regulator Output Voltages

* Filterless Class D

* 3-V t

LM48511-etcTI.pdf