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Elite Semiconductor

AD51652 Datasheet Preview

AD51652 Datasheet

3W Mono Filter-less Class-D Audio Amplifier

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ESMT
AD51652
5W Mono Filter-less Class-D Audio Amplifier
Features
Supply voltage range: 2.5 V to 5.5 V
Support single-ended or differential analog
input
Low Quiescent Current
Low Output Noise
Low shut-down current
Short power-on transient time
Internal pull-low resistor on shut-down pins
Short-circuit protection
Over-temperature protection
Loudspeaker power within 10% THD+N
1.8W/ch into 8loudspeaker
>3W/ch into 4loudspeaker
5W/ch into 2loudspeaker (TDFN-8L)
Loudspeaker efficiency
90% @ 8, THD+N=10%
85% @ 4, THD+N=10%
74% @ 2, THD+N=10%
MSOP-8L, TDFN-8L and 0.4mm ball pitch
WLCSP-9L packages
Integrated Feedback Resistor of 300k
Applications
Monitor audio
PDA
Portable multimedia devices
Notebook computer
Mobile phone
Description
The AD51652 is a 5.0W mono, filter-less
Class-D audio amplifier. Operating with 5.0V
loudspeaker driver supply, it can deliver 5.0W
output power into 2 loudspeaker within 10%
THD+N or 4.3W at 1% THD+N.
The AD51652 is a mono audio amplifier with
high efficiency and suitable for the notebook
computer, and portable multimedia device.
Functional Block Diagram
+ Cin
Differential
input
- Cin
Gain=300k/Rin
Rin INP
~300k
+-
Rin
INN
-+
~300k
AD51652
Filterless classD
PWM
Generator
Loudspeaker
Driver
-wave
Generator
SD#
~300k
Bias
Circuitry
VDD
Cs1+Cs2
PWMA
PWMB
Thermal pad; GND
Elite Semiconductor Memory Technology Inc.
Publication Date: Dec. 2017
Revision: 1.1
1/16




Elite Semiconductor

AD51652 Datasheet Preview

AD51652 Datasheet

3W Mono Filter-less Class-D Audio Amplifier

No Preview Available !

ESMT
Typical Application Circuit
AD51652
VDD
Cin Rin
INP
1uF 150kΩ
AD51652
Cin Rin
Filterless Class-D
INN
1uF 150kΩ
VOP
CS2
0.1uF
CS1
2.2uF
ON
SD
OFF
VON
GND
Note. Gain=2 V/V
Elite Semiconductor Memory Technology Inc.
Publication Date: Dec. 2017
Revision: 1.1
2/16



Part Number AD51652
Description 3W Mono Filter-less Class-D Audio Amplifier
Maker Elite Semiconductor
Total Page 16 Pages
PDF Download

AD51652 Datasheet PDF





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