Data Sheet
STEREO 2W AUDIO POWER AMPLIFIER
General Description
The AA4002 is a monolithic stereo audio power
amplifier including DC volume control, a selectable
gain/bass boost, and stereo bridged audio power ampli-
fiers, with the capability of producing 2W into 4
Ω
with
THD+N less than 1%. The AA4002 is specially
designed for Notebook PC, LCD monitor and portable
media player.
The AA4002 features low power consumption in shut-
down mode, power amplifier and headphone mute for
maximum system flexibility and performance. It also
provides thermal shutdown protection.
The AA4002 is available in TSSOP-28 with Exposed-
DAP package.
AA4002
Features
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DC Volume Control Interface, 0dB to -78dB, 31
Steps
System Beep Detect
Very Low Power Consumption in Shutdown
Mode, I
SD
=0.7
µ
A
Stereo Power Output for Speakers/Headphones
with BTL Mode/SE Mode
Selectable Internal/External Gain
Bass Boost
Pop Noise Suppression Circuit
Thermal Shutdown Protection
Applications
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Notebook PC
LCD monitor
Portable DVD Player
Portable Media Player
Digital Photo Frame
TSSOP-28 with Exposed-DAP
Figure 1. Package Type of AA4002
Sep. 2006 Rev. 1. 1
1
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
