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PDF PAM8403 Data sheet ( Hoja de datos )
| Número de pieza | PAM8403 | |
| Descripción | Filterless 3W Class-D Stereo Audio Amplifier | |
| Fabricantes | Power Analog Micoelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PAM8403 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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PAM8403
Filterless 3W Class-D Stereo Audio Amplifier
Key Features
n 3W Output at 10% THD with a 4Ω Load and
www.datashee5t4Vu.Pcoomwer Supply
n Filterless, Low Quiescent Current and Low
EMI
n Low THD+N
n Superior Low Noise
n Efficiency up to 90%
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 PAM8403 is a 3W, class-D audio amplifier. It
offers low THD+N, allowing it to achieve high-
quality sound reproduction. The new filterless
architecture allows the device to drive the speaker
directly, requiring no low-pass output filters,thus
to save the system cost and PCB area.
With the same numbers of external components,
the efficiency of the PAM8403 is much better than
that of class-AB cousins. It can extend the battery
life, ideal for portable applications.
The PAM8403 is available in SOP-16 package.
Typical Application
VDD
PVDD
1μF
1μF
4 70μ F
1μF
0.47μF Ri
I NL
6
VDD
7 INL
4 13
PVDD PVDD
1
+OUT_L
8
VREF
-OUT_L 3
0.1 μF
0. 47μ F
10
INR INR
Ri
PAM8403
-OUT_R 14
SHDN
MUTE
12 SHDN
5 MUTE
+OUT_R 16
GND NC PGNDPGND
11
92
15
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)
3
Radiated Emissions
FCC Class B Limit
Power Analog Microelectronics,Inc
www.poweranalog.com
1
09/2008 Rev 1.3
1 page  
PAM8403
Filterless 3W Class-D Stereo Audio Amplifier
Electrical Characteristic (Continued)
V =DD 5V Gain=24dB, RL=8Ω, TA=25°C, unless otherwise noted.
wwwS.dyamtabsohel et4u.com Parameter
Test Conditions
MIN TYP MAX UNIT
IMUT E
Muting Current
VDD=5.0V
VMUTE=0.3V 3.5 mA
ISD Shutdown Current
VDD=2.5V to 5.5V
Vsd=0.3V
<1 μA
Static Drain-to-source On-state
Rdson
Resistor
IDS=500mA,Vgs=5V
PMOS
NMOS
180
mΩ
140
fsw Switching Frequency
VDD=3V to 5V
260 kHz
Vos
VIH
VI L
VIH
VI L
OTP
OTH
Output Offset Voltage
Enable Input High Voltage
Enable Input Low Voltage
MUTE Input High Voltage
MUTE Input Low Voltage
Over Temperature Protection
Over Temperature Hysterisis
Vin=0V, VDD=5V
VDD=5.0V
VDD=5.0V
VDD=5.0V
VDD=5.0V
No Load, Junction Temperature
VDD=5V
10 mV
1.5 1.4
0.7 0.4
V
1.5 1.4
0.7 0.4
V
140
°C
30
Power Analog Microelectronics,Inc
www.poweranalog.com
5
09/2008 Rev 1.3
5 Page 
PAM8403
Filterless 3W Class-D Stereo Audio Amplifier
Ordering Information
PAM8403 X Xwww.datasheet4u.com
Part Number
PAM8403DR
Shipping Package
Package Type
Marking
PAM8403
XATYWWLL
Package Type
SOP-16
MOQ/Shipping Package
2,500 Units/Tape&Reel
Power Analog Microelectronics,Inc
www.poweranalog.com
11
09/2008 Rev 1.3
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet PAM8403.PDF ] | |
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