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PAM8304 Datasheet

3W MONO CLASS D AUDIO AMPLIFIER

No Preview Available !

A Product Line of
Diodes Incorporated
PAM8304
3W MONO CLASS D AUDIO AMPLIFIER
Description
The PAM8304 is a mono filter-less Class-D amplifier with high SNR
and differential input that helps eliminate noise. The PAM8304
supports 2.8V to 6V operation make it idea for up to 4 cells alkaline
battery applications. The PAM8304 is capable of driving speaker
loads as low as 3speaker with a 5V supply maximizing the output
power.
Features like greater than 90% efficiency and small PCB area make
the PAM8304 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 PAM8304 features short circuit protection, thermal shutdown and
under voltage lock-out.
The PAM8304 is available in DFN3030-8L and MOP-8L packages.
Features
Supply Voltage from 2.8V to 6.0 V
3Driving Capability
3.0W@10% THD Output with a 4Load and 5V Supply
High Efficiency up to 90% @1W with an 8Load
Shutdown Current <1μA
Superior Low Noise without Input
Short Circuit Protection
Thermal Shutdown
Available in Space Saving DFN3030-8L and MSOP-8L
Packages
Pb-Free Package
Pin Assignments
D FN 3 X3 - 8 L
Top View
OUT+ 1
PVDD 2
VDD 3
IN- 4
OUT+ 1
PVDD 2
VDD 3
IN- 4
MSOP-8L
Top View
Applications
MP4/MP3
GPS
Set-Top-Box
Tablets/Digital Photo Frame
Electronic Dictionary
Portable Game Machines
8 OUT-
7 GND
6 SD
5 IN+
8 OUT-
7 GND
6 SD
5 IN+
Typical Applications Circuit
VIN
0.1μ F
0.1μ F
/SD
VDD
PVDD
1μ F
VDD
IN+ OUT+
IN- PA M 8 3 0 4
/SD
OUT-
P GND
GND
PAM8304
Document number: DS36589 Rev. 1 - 2
1 of 11
www.diodes.com
October 2013
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

PAM8304 Datasheet

3W MONO CLASS D AUDIO AMPLIFIER

No Preview Available !

A Product Line of
Diodes Incorporated
PAM8304
Pin Descriptions
Pin Name
OUT+
PVDD
VDD
IN-
IN+
/SD
GND
OUT-
Exposed Pad
MSOP-8L/DFN3x3-8L
1
2
3
4
5
6
7
8
Function
Positive BTL Output
Power Supply
Analog Power Supply
Negative Differential Input
Positive Differential Input
Shutdown Terminal, Active Low
Ground
Negative BTL Output
NC
Functional Block Diagram
IN+
-
+
IN-
VDD
PWM
Modulator
Gate
Drive
Gate
Drive
SD SD
UVLO
SC
Pr otec t
Bias and
Vref
OSC
Startup
Pr otec ti on
OTP
PVDD
OUT+
OU T-
GND
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Parameter
Supply Voltage (VDD)
Input Voltage (IN+, IN-, /SD)
Storage Temperature
Maximum Junction Temperature
Rating
6.5
-0.3 to VDD +0.3
-65 to +150
150
Unit
V
V
°C
°C
Recommended Operating Conditions (@TA = +25°C, unless otherwise specified.)
Symbol
VDD
TA
TJ
Parameter
Supply Voltage
Operating Ambient Temperature Range
Junction Temperature Range
Min Max
2.8 6.0
-40 +85
-40 +125
Unit
V
°C
°C
PAM8304
Document number: DS36589 Rev. 1 - 2
2 of 11
www.diodes.com
October 2013
© Diodes Incorporated


Part Number PAM8304
Description 3W MONO CLASS D AUDIO AMPLIFIER
Maker Diodes
Total Page 11 Pages
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