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PAM8403 Datasheet

FILTERLESS 3W CLASS-D STEREO AUDIO AMPLIFIER

No Preview Available !

A Product Line of
Diodes Incorporated
PAM8403
FILTERLESS 3W CLASS-D STEREO AUDIO AMPLIFIER
Description
The PAM8403 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
PAM8403 is much better than that of Class-AB cousins. It can extend
the battery life, which makes it well-suited for portable applications.
The PAM8403 is available in SOP-16 package.
Features
3W Output at 10% THD with a 4Load 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
Pin Assignments
Applications
LCD Monitors / TV Projectors
Notebook Computers
Portable Speakers
Portable DVD Players, Game Machines
Cellular Phones/Speaker Phones
Typical Applications Circuit
PAM8403
Document number: DSxxxxx Rev. 1 - 4
1 of 11
www.diodes.com
November 2012
© Diodes Incorporated
http://www.Datasheet4U.com


Diodes Semiconductor Electronic Components Datasheet

PAM8403 Datasheet

FILTERLESS 3W CLASS-D STEREO AUDIO AMPLIFIER

No Preview Available !

A Product Line of
Diodes Incorporated
PAM8403
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
SHND
PVDD
-OUT_R
PGND
+OUT_R
Function
Left Channel Positive Output
Power GND
Left Channel Negative Output
Power VDD
Mute Control Input (active low)
Analog VDD
Left Channel Input
Internal analog reference, connect a bypass capacitor from VREF to GND.
No Connact
Right Channel Input
Analog GND
Shutdown Control Input (active low)
Power VDD
Right Channel Negative Output
Power GND
Right Channel Positive Output
Functional Block Diagram
PAM8403
Document number: DSxxxxx Rev. 1 - 4
2 of 11
www.diodes.com
November 2012
© Diodes Incorporated
http://www.Datasheet4U.com


Part Number PAM8403
Description FILTERLESS 3W CLASS-D STEREO AUDIO AMPLIFIER
Maker Diodes
Total Page 11 Pages
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