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 4Ω 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
·
Output Power,
BTL: 2.0W/CH (4Ω, THD+N
≤
1%)
SE: 160mW/CH (16Ω, THD+N
≤
1%)
Supply Voltage Range: 2.7V to 5.5V
External Feedback Loop for Flexible Gain Set-up
Low Power Consumption at Shutdown Mode
0.7μA Typical
SE, BTL Mode Switchable
Optimized Click/POP Noise Suppression
Thermal Shutdown Protection
·
·
·
·
·
·
Applications
·
·
·
·
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
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
