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AD5165A Datasheet
2.5W Mono Filter-less Class-D Audio Amplifier
Elite Semiconductor
Elite Semiconductor


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AD5165A pdf
ESMT
AD5165A
2.5W Mono Filter-less Class-D Audio Amplifier
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(1ms)
z Internal pull-low resistor on shut-down pins
z Short-circuit protection
z Over-temperature protection
z Loudspeaker power within 10% THD+N
„ 1.5W/ch into 8Ω loudspeaker
„ 2.5W/ch into 4Ω loudspeaker
z Loudspeaker efficiency
„ 90% @ 8Ω, THD+N=10%
„ 85% @ 4Ω, THD+N=10%
Applications
z Monitor audio
z PDA
z Portable multimedia devices
z Notebook computer
z Mobile phone
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
Functional Block Diagram
Gain=300k /Rin
+ Cin
Differential
input
- Cin
Rin INP
Rin
INN
~300k
+-
-+
~300k
PWM
Generator
-wave
Generator
SD#
~300k
Loudspeaker
Driver
VDD
Cs
PWMA
PWMB
Overload, Voltage
& Thermal
Protection
Thermal Pad; GND
Elite Semiconductor Memory Technology Inc.
Publication Date: Feb. 2008
Revision: 1.1
1/15

AD5165A Datasheet PDF



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