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PAM8603M Datasheet

3W FILTERLESS STEREO CLASS-D AUDIO AMPLIFIER

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A Product Line of
Diodes Incorporated
PAM8603M
3W FILTERLESS STEREO CLASS-D AUDIO AMPLIFIER WITH DC VOLUME CONTROL
Description
The PAM8603M is a 3W, sterero, Class-D audio amplifier with DC
volume control. It offers low THD+N, allowing it to produce high-
quality sound reproduction. The new filterless architecture allows the
device to drive the speaker directly, requiring no low-pass output
filters, which saves the system cost and PCB area.
Pin Assignments
With the same numbers of external components, the efficiency of the
PAM8603M is much better than class-AB cousins. It can extend the
battery life thus ideal for portable applications.
The PAM8603M is available in SSOP-24 and SOP-18 packages.
Features
3W Output at 10% THD with a 4Load and 5V Power Supply
Filterless, Low Quiescent Current and Low EMI
Low THD+N
64-Step DC Volume Control from -75dB to +24dB
Superior Low Noise
Efficiency up to 89%
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
PAM8603M
Document number: DSxxxxx Rev. 1 - 1
1 of 14
www.diodes.com
November 2012
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

PAM8603M Datasheet

3W FILTERLESS STEREO CLASS-D AUDIO AMPLIFIER

No Preview Available !

Typical Applications Circuit
A Product Line of
Diodes Incorporated
PAM8603M
Pin Descriptions
Pin
Name
+OUTL
PGNDL
-OUTL
PVDDL
MUTE
VDD
INL
NC
VDC
VOLUME
VREF
INR
GND
SHDN
PVDDR
-OUTR
PGNDR
+OUTR
Package Name
SSOP-24
SOP-18
11
2, 3 2
43
54
65
76
87
9, 12, 13, 15, 16
8
10 9
11 10
14 11
17 12
18 13
19 14
20 15
21 16
22, 23
17
24 18
Function
Left Channel Positive Output
Left Channel Power GND
Left Channel Negative Output
Left Channel Power Supply
Mute Control Input (active low)
Analog Power Supply
Left Channel Input
No Connection
Analog reference for gain control section.
DC volume control to set the gain of Class-D.
Internal analog reference, connect a bypass capacitor from VREF to GND.
Right Channel Input
Analog Ground
Shutdown Control Input (active low)
Right Channel Power Supply
Right Channel Negative Output
Right Channel Power GND
Right Channel Positive Output
PAM8603M
Document number: DSxxxxx Rev. 1 - 1
2 of 14
www.diodes.com
November 2012
© Diodes Incorporated


Part Number PAM8603M
Description 3W FILTERLESS STEREO CLASS-D AUDIO AMPLIFIER
Maker Diodes
Total Page 14 Pages
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