AD5165A

ESMT Features z z z z z z z z z Supply voltage range: 2.5 V to 5.5 V Support single-ended or differential analog input Low static operation current Low shut-down current Short power-on transient time(1ms) Internal pull-low resistor on shut-down pins Short-circuit protection Over-temperature protection Loudspeaker power within 10% THD+N „ 1.5W/ch into 8Ω loudspeaker „ 2.5W/ch into 4Ω loudspeaker z Loudspeaker efficiency „ 90% @ 8Ω, THD+N=10% „ 85% @ 4Ω, THD+N=10% AD5165A 2.5W Mono Filter-less Class-D Audio Amplifier Description The AD5165A is a mono, filter-less class-D audio amplifier. Operating with 5.0V loudspeaker driver supply, it can deliver 2.5W output power into 4 Ω loudspeaker within 10% THD+N. The AD5165A is a mono audio amplifier with high efficiency and suitable for the notebook computer, and portable multimedia devices. Ordering Information Part Number AD5165A-HG AD5165A-WG Package DFN 8L WCSP 9L Comments Pb-free Pb-free Applications z z z z z Monitor audio PDA Portable multimedia devices Notebook computer Mobile phone Functional Block Diagram Gain=300k /Rin ~300k VDD Cs + Cin Rin INP + Rin PWM Generator Loudspeaker Driver PWMA Differential input Cin - INN + PWMB ~300k SD# ~300k -wave Generator Overload, Voltage & Thermal Protection Thermal Pad; GND Elite Semiconductor Memory Technology Inc. Publication Date: Feb. 2008 Revision: 1.1 1/15 ESMT Pin Assignments DFN 8L, 3x3mm (Top view of PCB) AD5165A WCSP 9L, 1.45x1.45mm (Top view of PCB) SD...