AD5165A
AD5165A is 2.5W Mono Filter-less Class-D Audio Amplifier manufactured by Elite Semiconductor Microelectronics Technology.
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%
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 puter, and portable multimedia devices.
Ordering Information
Part Number AD5165A-HG AD5165A-WG Package DFN 8L WCSP 9L ments Pb-free Pb-free
Applications z z z z z Monitor audio PDA Portable multimedia devices Notebook puter Mobile phone
Functional Block Diagram
Gain=300k /Rin
~300k
VDD Cs
+
Cin
Rin
+
Rin
PWM Generator Loudspeaker Driver
PWMA
Differential input Cin
- INN
+
PWMB ~300k
SD# ~300k
-wave Generator Overload, Voltage & Thermal Protection
Thermal Pad;...