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 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 MSOP-8, TDFN-9 and WLCSP-9 packages z Integrated de-pop circuitry z Internal generated 450kHz switching frequency EMA2011 2.7W Mono Filter-less Class-D Audio Amplifier APPLICATIONS
z z z z z Monitor audio PDA Portable multimedia devices Notebook computer Mobile phone DESCRIPTION
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. Functional Block Diagram Gain=300k /Rin ~300k VDD Cs + Cin Rin INP + Rin PWM Generator Loudspeaker Driver VOP Differenti...
Elite Semiconductor
