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PAM8007 Datasheet

FILTERLESS 3W CLASS-D STEREO AUDIO AMPLIFIER

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A Product Line of
Diodes Incorporated
PAM8007
FILTERLESS 3W CLASS-D STEREO AUDIO AMPLIFIER
with DC VOLUME CONTROL and HEADPHONE OUTPUT
Description
The PAM8007 is a 3W, Class-D audio amplifier with headphone
amplifier. Advanced 64-Step DC volume control minimizes external
components and allows speaker volume control and headphone
volume control. It offers low THD+N, to produce high-quality sound
reproduction. The new filterless architecture allows the device to drive
the speaker directly, without low-pass output filters which will save
30% system cost and 75% PCB area.
With the same numbers of external components, the efficiency of the
PAM8007 is much better than class-AB cousins. It can extend the
battery life thus be ideal for portable applications.
The PAM8007 is available in a SSOP-24 and SOP-24 package.
Pin Assignments
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
Headphone Output Function
Superior Low Noise
Low Pop Noise
Efficiency Up to 92%
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
VoIP/Speaker Phones
PAM8007
Document number: DSxxxxx Rev. 1 - 2
1 of 17
www.diodes.com
October 2012
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

PAM8007 Datasheet

FILTERLESS 3W CLASS-D STEREO AUDIO AMPLIFIER

No Preview Available !

Typical Applications Circuit
A Product Line of
Diodes Incorporated
PAM8007
Pin Descriptions
Pin
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Pin
Name
-OUT_L
PGNDL
PGNDL
+OUT_L
PVDDL
MUTE
VDD
INL
EAR INL
VDC
VOLUME
EAR OUT L
EAR OUT R
VREF
LINE/EAR
EAR LN R
INR
GND
SHDN
PVDDR
+OUT_R
PGNDR
PGNDR
-OUT_R
Function
Left Channel Negative Output
Left Channel Power GND
Left Channel Power GND
Left Channel Positive Output
Left Channel Power Supply
Mute Control Input (active low)
Analog VDD
Left Channel Input
Left Earphone Input
Analog Reference for Gain Control Section
DC Volume Control to Set the Gain of Class-D
Left Earphone Output(Non-Inverting)
Right Earphone Output(Non-Inverting)
Internal Analog Reference, connect a bypass capacitor from VREF to GND
Line / Earphone Switch. Speaker Output (active low), Earphone Output (active high)
Right Earphone Input
Right Channel Input
Analog GND
Shutdown Control Input (active low)
Right Channel Power Supply
Right Channel Positive Output
Right Channel Power GND
Right Channel Power GND
Right Channel Negative Output
PAM8007
Document number: DSxxxxx Rev. 1 - 2
2 of 17
www.diodes.com
October 2012
© Diodes Incorporated


Part Number PAM8007
Description FILTERLESS 3W CLASS-D STEREO AUDIO AMPLIFIER
Maker Diodes
Total Page 17 Pages
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