EMA2012

ESMT EMA2012 2.7W Mono Filter-less Class-D Audio Amplifier with Default Gain +18dB Features z Supply voltage range: 2.5 V to 5.5 V z Support single-ended or differential analog input z Low static operation current z Low shut-down current z Short power-on transient time z Internal pull-low resistor on shut-down pins z Short-circuit protection z Over-temperature protection z Default gain +18dB z Loudspeaker power within 10% THD+N „ 1.66W/ch into 8Ω loudspeaker „ 2.70W/ch into 4Ω loudspeaker z Loudspeaker efficiency „ 90% @ 8Ω, THD+N=10% „ 85% @ 4Ω, THD+N=10% z TDFN-8 packages z Integrated de-pop circuitry z Internal generated 450kHz switching frequency Applications z Monitor audio z PDA z Portable multimedia devices z Notebook computer z Mobile phone Description The EMA2012 is a mono, filter-less class-D audio amplifier. Operating with 5.0V loudspeaker driver supply, it can deliver 2.7W output power into 4 Ω loudspeaker within 10% THD+N or 2.2W at 1% THD+N. The gain can be r...