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Diodes Semiconductor Electronic Components Datasheet

PAM8403H Datasheet

FILTERLESS 3W CLASS-D STEREO AUDIO AMPLIFIER

No Preview Available !

A Product Line of
Diodes Incorporated
PAM8403H
FILTERLESS 3W CLASS-D STEREO AUDIO AMPLIFIER
Description
The PAM8403H is a 3W, class-D audio amplifier. It offers low THD+N,
allowing it to achieve high quality sound reproduction. The new
filterless architecture allows the device to drive the speaker directly,
requiring no low-pass output filters, thus saving system cost and PCB
area.
With the same numbers of external components, the efficiency of the
PAM8403H is much better than that of class-AB cousins. It can
extend the battery life, ideal for portable applications.
The PAM8403H is available in SOP-16 package.
Pin Assignments
Features
3W Output at 10% THD with a 4 Load and 5V Power Supply
Filterless, Low Quiescent Current and Low EMI
Low THD+N
Superior Low Noise
Efficiency up to 90%
Short Circuit Protection
Thermal Shutdown
Few External Components to Save the
Space and Cost
Pb-Free Package
Applications
LCD Monitors / TV Projectors
Notebook Computers
Portable Speakers
Portable DVD Players, Game Machines
Cellular Phones/Speaker Phones
PAM8403H
Document number: DSxxxxx Rev. 1 - 0
1 of 11
www.diodes.com
November 2012
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

PAM8403H Datasheet

FILTERLESS 3W CLASS-D STEREO AUDIO AMPLIFIER

No Preview Available !

Typical Applications Circuit
A Product Line of
Diodes Incorporated
PAM8403H
Pin Descriptions
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin Name
-OUT_L
PGND
+OUT_L
PVDD
MUTE
VDD
INL
VREF
NC
INR
GND
SHDN
PVDD
+OUT_R
PGND
-OUT_R
PAM8403H
Document number: DSxxxxx Rev. 1 - 0
Function
Left Channel Negative Output
Power GND
Left Channel Positive Output
Power VDD
Mute Control Inputactive low
Analog VDD
Left Channel Input
Internal analog reference, connect a bypass capacitor from VREF to GND
No connected
Right Channel Input
Analog GND
Shutdown Control Input (active low)
Power VDD
Right Channel Positive Output
Power GND
Right Channel Negative Output
2 of 11
www.diodes.com
November 2012
© Diodes Incorporated


Part Number PAM8403H
Description FILTERLESS 3W CLASS-D STEREO AUDIO AMPLIFIER
Maker Diodes
Total Page 11 Pages
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