Data Sheet
2W STEREO AUDIO POWER AMPLIFIER WITH SHUTDOWN
General Description
The AA4003 is a Class AB stereo Audio Power Ampli-
fier which can deliver 2.0W into 4惟 speakers with lim-
itation of THD+N less than 1%. The chip is designed
specially for Portable DVD player, Portable Media
Player, LCD monitor and Digital Photo Frame applica-
tions.
AA4003 is available in package of SOIC-16 and
TSSOP-20 (EDP).
AA4003
Features
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Output Power,
BTL: 2.0W/CH (4惟, THD+N
鈮?/div>
1%)
SE: 160mW/CH (16惟, THD+N
鈮?/div>
1%)
Supply Voltage Range: 2.7V to 5.5V
External Feedback Loop for Flexible Gain Set-up
Low Power Consumption at Shutdown Mode
0.7渭A Typical
SE, BTL Mode Switchable
Optimized Click/POP Noise Suppression
Thermal Shutdown Protection
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Applications
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Portable DVD Player
Portable Media Player
LCD Monitor
Digital Photo Frame
SOIC-16
TSSOP-20 (EDP)
Figure 1. Packages Type of AA4003
Oct. 2007 Rev. 1. 1
1
BCD Semiconductor Manufacturing Limited
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