AD51652-3W Mono Filter-less Class-D Audio Amplifier DataSheet

Description
The AD51652 is a 3.0W mono, filter-less
class-D audio amplifier. Operating with 5.0V
loudspeaker driver supply, it can deliver 3.0W
output power into 4 W loudspeaker within 10%
THD+N or 2.6W at 1% THD+N.
The AD51652 is a mono audio amplifier with
high efficiency and suitable for the notebook
computer, and portable multimedia device.

Features

Supply voltage range: 2.5 V to 5.5 V

Support single-ended or differential analog input

Low Quiescent Current

Low Output Noise

Low shut-down current

Short power-on transient time

Internal pull-low resistor on shut-down pins

Short-circuit protection

Over-temperature protection

Loudspeaker power within 10% THD+N
 1.78W/ch into 8W loudspeaker
 >3W/ch into 4W loudspeaker

Loudspeaker efficiency
 93% @ 8W, THD+N=10%
 85% @ 4W, THD+N=10%

MSOP-8L, TDFN-8L and 0.4mm ball pitch WLCSP-9L packages

Integrated Feedback Resistor of 300kW

Applications

Monitor audio

PDA

Portable multimedia devices

Notebook computer

Mobile phone