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AA4002

BCD Semiconductor
Part Number AA4002
Manufacturer BCD Semiconductor
Description STEREO 2W AUDIO POWER AMPLIFIER
Published May 3, 2007
Detailed Description Data Sheet STEREO 2W AUDIO POWER AMPLIFIER General Description The AA4002 is a monolithic stereo audio power amplifier i...
Datasheet PDF File AA4002 PDF File

AA4002
AA4002

Overview
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 amplifiers, with the capability of producing 2W into 4Ω 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 shutdown 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 ExposedDAP package.
AA4002 Features · · · · · · · · DC Volume Control Interface, 0dB to -78dB, 31 Steps System Beep Detect Very Low Power Consumption in Shutdown Mode, ISD=0.
7µA 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 · · · · · Notebook PC LCD monitor Portable DVD Player Portable Media Player Digital Photo Frame www.
DataSheet4U.
com TSSOP-28 with Exposed-DAP Figure 1.
Package Type of AA4002 Sep.
2006 Rev.
1.
1 1 BCD Semiconductor Manufacturing Limited Data Sheet STEREO 2W AUDIO POWER AMPLIFIER Pin Configuration G Package (TSSOP-28 with Exposed-DAP) AA4002 GND SHUTDOWN GAIN SELECT MODE MUTE VDD DC VOL GND RIGHT DOCK RIGHT IN BEEP IN LEFT IN LEFT DOCK GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 RIGHT OUT+ VDD RIGHT OUTRIGHT GAIN 2 RIGHT GAIN 1 GND BYPASS HP SENSE GND LEFT GAIN 1 LEFT GAIN 2 LEFT OUTVDD LEFT OUT+ Figure 2.
Pin Configuration of AA4002 Sep.
2006 Rev.
1.
1 2 BCD Semiconductor Manufacturing Limited Data Sheet STEREO 2W AUDIO POWER AMPLIFIER Pin Description Pin Number 1, 8, 14, 20, 23 2 3 4 5 6, 16, 27 7 9 10 11 12 13 15 17 18 19 21 22 24 25 26 28 Pin Name GND SHUTDOWN GAIN SELECT MODE MUTE VDD DC VOL RIGHT DOCK RIGHT IN BEEP IN LEFT IN LEFT DOCK LEFT OUT+ LEFT OUTLEFT ...


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