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PAM8407 Datasheet

2 x 3W Stereo Differential Input Class D Audio Amplifier

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A PRODUCT LINE OF
DIODES INCORPORATED
2x3W Stereo Differential Input Class D Audio Amplifier
with Up/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.
Pin Assignments
SO-16
PAM8407
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.
RINP
RINN
SD
UP
DOWN
GND
LINN
LINP
1
2
3
4
5
6
7
8
16 VDD
15 ROUTP
14 ROUTN
13 GND
12 GND
11 LOUTN
10 LOUTP
9 VDD
The PAM8407 is available in SO-16 package.
Features
3W Output at 10% THD with a 4load and 5V Supply
2.4W Output at 1% THD with a 4Load 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
Applications
PC Speaker
Wireless Speaker
Home Sound Systems
Active Speakers
Docking stations
Typical Applications Circuit
RINP
RINN
C5
0. 1uF
C6
0. 1uF
ON
SHDN
LINN
LINP
C7
0. 1uF
C8
0. 1uF
1 RINP
VDD 16
2 RINN
ROUTP 15
3 SD
ROUTN 14
4 UP
PAM8407 GND 13
5 DOWN
GND 12
6 GND
7 LINN
8 LINP
LOUTN 11
LOUTP 10
VDD 9
V DD
C2
1uF
4
4
C2
1uF
V DD
PAM8407
Document number: DS36815 Rev. 1 - 2
1 of 12
www.diodes.com
January 2014
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

PAM8407 Datasheet

2 x 3W Stereo Differential Input Class D Audio Amplifier

No Preview Available !

Pin Descriptions
A PRODUCT LINE OF
DIODES INCORPORATED
2x3W Stereo Differential Input Class D Audio Amplifier
with Up/Down Volume Control
PAM8407
PIN Number
1
2
3
4
5
6,12,13
7
8
9,16
10
11
14
15
PIN Name
RINP
RINN
SD
UP
DOWN
GND
LINN
LINP
VDD
LOUTP
LOUTN
ROUTN
ROUTP
Description
Positive Input of Right Channel Power Amplifier.
Negative Input of Right Channel Power Amplifier.
Full Chip Shutdown Control Input (active low).
Volume UP Control (active low)Ground Connection.
Volume down Control (active low)
Ground.
Negative Input of Left Channel Power Amplifier.
Positive Input of Left Channel Power Amplifier.
Power Supply.
Positive Output of Left Channel Power Amplifier.
Negative Output of Left Channel Power Amplifier.
Negative Output of Right Channel Power Amplifier.
Positive Output of Right Channel Power Amplifier.
Functional Block Diagram
VDD
GND
RINP
RINN
VD D
UP
VD D
DO WN
LIN N
LIN P
+ DRIVER
- MODULATOR
ROUTP
ROUTN
Thermal
Protection VD D
I NTERNAL
OSCI L L ATOR
BIAS
AND
REFERENCES
OSC
Current
Protection
+
MODULAT OR
- D R IVER
SD
LOU T N
LOU T P
VDD
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)
GND
Parameter
Supply Voltage (VDD)
Pins Input Voltage (SD, UP, Down, IN)
Storage Temperature
Maximum Junction Temperature
Junction to ambient thermal resistance
PAM8407
Document number: DS36815 Rev. 1 - 2
6.5
-0.3 to VDD+0.3
-65 to +150
+150
40
Rating
2 of 12
www.diodes.com
Unit
V
V
°C
°C
°C/W
January 2014
© Diodes Incorporated


Part Number PAM8407
Description 2 x 3W Stereo Differential Input Class D Audio Amplifier
Maker Diodes
Total Page 12 Pages
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