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PAM8603MDET

Description
IC AMP AUDIO 3W CLASS D 18SOIC
Categorysemiconductor    Other integrated circuit (IC)   
File Size205KB,14 Pages
ManufacturerPOWEREX
Websitehttp://www.pwrx.com/Home.aspx
Download Datasheet Compare View All

PAM8603MDET Overview

IC AMP AUDIO 3W CLASS D 18SOIC

PAM8603M
3W Filterless Stereo Class-D Audio Amplifier with DC Volume Control
Features
n
3W Output at 10% THD with a 4 Ω Load and
5V Power Supply
n
Filterless, Low Quiescent Current and Low
EMI
n
Low THD+N
n
64-Step DC Volume Control from -75dB to
+24dB
n
Superior Low Noise
n
Efficiency up to 89%
n
Short Circuit Protection
n
Thermal Shutdown
n
Few External Components to Save the
Space and Cost
n
Pb-Free Package
General 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.
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.
Applications
n
n
n
n
n
LCD Monitors/TV Projectors
Notebook Computers
Portable Speakers
Portable DVD Players, Game Machines
Cellular Phones/Speaker Phones
Typical Application Circuit
Efficiency vs Output Power
PVDDL
10μF
1μF
Efficiency(%)
100
90
80
70
60
50
40
30
20
10
R
L
=4
Ω
R
L
=8
Ω
PVDDL
+OUTL
PGNDL
+OUTR
-OUTL
0.47μF
INL
1μF
VREF
ON
-OUTR
0.47
μF
INR
VDD
VDD
1μF
INR
0
0
0.5
1
1.5
Output Pow er(W)
2
2.5
3
INL
PAM8603M
Radiated Emissions
SHDN
SHDN
ON
VDC
VOLUME
GND
50kO
MUTE
MUTE
FCC Class B Limit
PVDDR PGNDR
1μF
10μF
PVDDR
Power Analog Microelectronics
,
Inc
www.poweranalog.com
1
10/2008 Rev 1.0

PAM8603MDET Related Products

PAM8603MDET PAM8603MDER PAM8603M PAM8603MNHR
Description IC AMP AUDIO 3W CLASS D 18SOIC IC AMP AUDIO 3W CLASS D 18SOIC IC AMP AUDIO 3W CLASS D 18SOIC IC AMP AUDIO 3W CLASS D 18SOIC
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