Diodes PAM8407 User Manual

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PAM8407
Document number: DS36815 Rev. 1 - 2
1 of 12
www.diodes.com
January 2014
© Diodes Incorporated
PAM8407
New Product
A PRODUCT LINE OF
DIODES INCORPORATED
2x3W Stereo Differential Input Class D Audio Amplifier
with U
p
/Down Volume Control
Description
The PAM8407 is a filter-less Class-D amplifier with high SNR and
differential input that helps eliminate noise. Advanced 32-step
Up/Down volume control minimizes external components and allows
speaker volume control.
The PAM8407 supports 2.5V to 6V operation make it idea for up to 4
cells alkaline battery applications.
Features like greater than 87% efficiency and small PCB area make
the PAM8407 Class-D amplifier ideal for portable applications. The
output uses a filter-less architecture minimizing the number of
external components and PCB area whilst providing a high
performance, simple and lower cost system.
The PAM8407 built in auto recovery SCP (short circuit protection) and
thermal shutdown.
The PAM8407 is available in SO-16 package.
Features
3W Output at 10% THD with a 4 load and 5V Supply
2.4W Output at 1% THD with a 4 Load and 5V Supply
2.5V to 6.0V VDD Operating
Fully Differential Input
Filterless, Low Quiescent Current and Low EMI
Low THD+N
32-stepUp/Down Volume Control from -80dB to 24dB
Superior Low Noise: 60uV
Minimize Pop/Clip Noise
Auto Recovery Short Circuit Protection
Thermal Shutdown
Pb-Free SO-16 Package
Pin Assignments
SO-16
LOUTP
LOUTN
UP
VDD
ROUTP
VDD
ROUTN
GND
15
9
10
11
12
13
14
16
GND
RINN
GND
DOWN
LINN
SD
1
2
3
4
5
6
7
8
PAM8407
XXXYWWLL
RINP
LINP
Applications
PC Speaker
Wireless Speaker
Home Sound Systems
Active Speakers
Docking stations
Typical Applications Circuit
6 GND
GND 13
5 DOWN
7 LINN
VDD 16
8 LINP
GND 12
1 RINP
ROUTN 14
2 RINN
ROUTP 15
LOUTP 10
VDD 9
4 UP
3 SD
LOUTN 11
PAM8407
01. uF
C6
V
DD
4
1uF
C2
RINN
01.
uF
C8
LINP
SHDN
ON
01. uF
C5
RINP
01. uF
C7
LINN
4
V
DD
1uF
C2
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Summary of Contents

Page 1 - XXXYWWLL

PAM8407 Document number: DS36815 Rev. 1 - 2 1 of 12 www.diodes.com January 2014© Diodes Incorporated PAM8407New Product A PRODUCT LINE OF DIODES IN

Page 2 - © Diodes Incorporated

PAM8407 Document number: DS36815 Rev. 1 - 2 10 of 12 www.diodes.com January 2014© Diodes Incorporated PAM8407New Product A PRODUCT LINE OF DIODES I

Page 3

PAM8407 Document number: DS36815 Rev. 1 - 2 11 of 12 www.diodes.com January 2014© Diodes Incorporated PAM8407New Product A PRODUCT LINE OF DIODES I

Page 4

PAM8407 Document number: DS36815 Rev. 1 - 2 12 of 12 www.diodes.com January 2014© Diodes Incorporated PAM8407New Product A PRODUCT LINE OF DIODES I

Page 5 - VDD=5V VDD=5V

PAM8407 Document number: DS36815 Rev. 1 - 2 2 of 12 www.diodes.com January 2014© Diodes Incorporated PAM8407New Product A PRODUCT LINE OF DIODES IN

Page 6 - PMOS NMOS

PAM8407 Document number: DS36815 Rev. 1 - 2 3 of 12 www.diodes.com January 2014© Diodes Incorporated PAM8407New Product A PRODUCT LINE OF DIODES IN

Page 7 - VOL U ME

PAM8407 Document number: DS36815 Rev. 1 - 2 4 of 12 www.diodes.com January 2014© Diodes Incorporated PAM8407New Product A PRODUCT LINE OF DIODES IN

Page 8

PAM8407 Document number: DS36815 Rev. 1 - 2 5 of 12 www.diodes.com January 2014© Diodes Incorporated PAM8407New Product A PRODUCT LINE OF DIODES IN

Page 9 - Ferrite Bead

PAM8407 Document number: DS36815 Rev. 1 - 2 6 of 12 www.diodes.com January 2014© Diodes Incorporated PAM8407New Product A PRODUCT LINE OF DIODES IN

Page 10

PAM8407 Document number: DS36815 Rev. 1 - 2 7 of 12 www.diodes.com January 2014© Diodes Incorporated PAM8407New Product A PRODUCT LINE OF DIODES IN

Page 11 - Detail ‘A’

PAM8407 Document number: DS36815 Rev. 1 - 2 8 of 12 www.diodes.com January 2014© Diodes Incorporated PAM8407New Product A PRODUCT LINE OF DIODES IN

Page 12 - New Product

PAM8407 Document number: DS36815 Rev. 1 - 2 9 of 12 www.diodes.com January 2014© Diodes Incorporated PAM8407New Product A PRODUCT LINE OF DIODES IN

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