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PDF PAM8202 Data sheet ( Hoja de datos )
| Número de pieza | PAM8202 | |
| Descripción | Tiny Package 2 Watt Class-D Stereo Audio Amplifier | |
| Fabricantes | PAM | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PAM8202 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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PAM8202
Tiny Package 2 Watt Class-D Stereo Audio Amplifier
DESCRIPTION
The PAM8202 is a 2 Watt per channel, 8-pin, stereo
class D audio amplifier, which offers low THD+N
(0.10%), allowing it to produce high-quality sound
reproduction.
The PAM8202 runs off of a 5 Volt supply at much
higher efficiencies than their class AB cousins,
making it ideal for many portable applications.
The PAM8202 only requires very few external
components (as few as three tiny capacitors),
results in significant cost and board space savings.
The PAM8202 is available in a SOP8 package.
TYPICAL APPLICATION CIRCUIT
FEATURES
2 Watts @ 10% THD per channel output into
a 4 Ohm load at 5V
Support speakers or earphone (4 to 32 ).
Superior low noise without input.
Supply voltage from 2.5V to 5.5 V.
85% efficiency above.
Short Circuit Protection.
Less output capacitor and inductor to save
the space and cost.
Low THD+N
Low quiescent current < 10 mA
APPLICATIONS
Notebook Computers.
PDAs/GPS Navigator/e-Dictionary
Portable DVD Players, Game Machines.
Cellular Phones,VoIP Phones,Screen Phones
MP3 or PMP Players.
Portable Speaker Systme,Portable Amplifier
LCD monitor / TV.
Bluetooth Car-Kit
R
Input
0.47 F 10K
Input
L
0.47 F 10K
Vdd
IN_R
IN_L
VDD -OUT_R
+OUT_R
+OUT_L
GND -OUT_L
33 H
0.47 F
33 H
33 H
0.47 F
0.47 F
33 H
0.47 F
Power Analog Microelectronics, Inc.
CONFIDENTIAL. DO NOT DISTRIBUTE OR REPRODUCE WITHOUT PERMISSION FROM P.A.M.
PRELIMIARY DATASHEET
Speaker
Speaker
PAM8202 Rev. 1.1
1
1 page  
www.DataSheet4U.com
PAM8202
Tiny Package 2 Watt Class-D Stereo Audio Amplifier
OPERATION INFORMATION
Calculating Output Power of BTL amplifier
Vsupply
Vsat
Vsat
Vsupply
Output power is related to supply voltage and the saturation
voltage (Vsat). The Maximum peak-to-peak output voltage
on one side of BTL amplifier output is
Vpk-pk
Vp-p = ( Vsupply 2 X Vsat )
Vrms = Vp-p
22
One side
Maximum output power of a BTL amplifier with 1% THD is
Pout (1%) = 4 X Vrms2/ Rload
Maximum output power of a BTL amplifier with 10% THD is
Pout (10%) = Pout (1%) X 1.25
Output Power vs. Vp-p
BTL Output Power
5.0
4.0
4
3.0
2.0
8
1.0
0.0
0
123
45
6
Vdd - Vast (V)
Power Analog Microelectronics, Inc.
CONFIDENTIAL. DO NOT DISTRIBUTE OR REPRODUCE WITHOUT PERMISSION FROM P.A.M.
PRELIMIARY DATASHEET
PAM8202 Rev. 1.1
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet PAM8202.PDF ] | |
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