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PAM8603M Datasheet دیتاشیت PDF دانلود

دیتاشیت - Power Analog Micoelectronics - 3W Filterless Stereo Class-D Audio Amplifier

شماره قطعه PAM8603M
شرح مفصل 3W Filterless Stereo Class-D Audio Amplifier
تولید کننده Power Analog Micoelectronics 
آرم Power Analog Micoelectronics 


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PAM8603M شرح
PAM8603M
3W Filterless Stereo Class-D Audio Amplifier with DC Volume Control
Features
n 3W Output at 10% THD with a 4Ω Load and
www.datashee5tV4u.Pcoomwer 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
Applications
n LCD Monitors/TV Projectors
n Notebook Computers
n Portable Speakers
n Portable DVD Players, Game Machines
n Cellular Phones/Speaker Phones
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.
Typical Application Circuit
PVDDL 10μF
1μF
PVDDL
+OU TL
PGNDL
+OUTR
-OUTL
-OUTR
0.47μF
INL INL
INR
PAM8603M
1μF
VREF
VDD
ON
SHDN
ON
MUTE
SHDN
VDC
MUTE
VOLUME
PVDDR PGNDR GND
1μF
0.47μF
INR
VDD
1μF
50kO
10μF
PVDDR
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs Output Power
RL=4Ω
RL=8Ω
0.5 1 1.5 2 2.5
Output Pow er(W)
Radiated Emissions
3
FCC Class B Limit
Power Analog Microelectronics,Inc
www.poweranalog.com
1
10/2008 Rev 1.0

قانون اساسیصفحه 14
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