POWER AMPLIFIER. AA4002 Datasheet

AA4002 AMPLIFIER. Datasheet pdf. Equivalent

AA4002 Datasheet
Recommendation AA4002 Datasheet
Part AA4002
Description STEREO 2W AUDIO POWER AMPLIFIER
Feature AA4002; Data Sheet STEREO 2W AUDIO POWER AMPLIFIER General Description The AA4002 is a monolithic stereo aud.
Manufacture BCD Semiconductor
Datasheet
Download AA4002 Datasheet




BCD Semiconductor AA4002
Data Sheet
STEREO 2W AUDIO POWER AMPLIFIER
General Description
Features
AA4002
The AA4002 is a monolithic stereo audio power · DC Volume Control Interface, 0dB to -78dB, 31
amplifier including DC volume control, a selectable
Steps
gain/bass boost, and stereo bridged audio power ampli- · System Beep Detect
fiers, with the capability of producing 2W into 4with · Very Low Power Consumption in Shutdown
THD+N less than 1%. The AA4002 is specially
designed for Notebook PC, LCD monitor and portable
media player.
·
Mode, ISD=0.7µA
Stereo Power Output for Speakers/Headphones
with BTL Mode/SE Mode
The AA4002 features low power consumption in shut- · Selectable Internal/External Gain
down mode, power amplifier and headphone mute for · Bass Boost
maximum system flexibility and performance. It also · Pop Noise Suppression Circuit
provides thermal shutdown protection.
· Thermal Shutdown Protection
The AA4002 is available in TSSOP-28 with Exposed- Applications
DAP package.
· Notebook PC
· LCD monitor
· Portable DVD Player
· Portable Media Player
· Digital Photo Frame
www.DataSheet4U.com
Sep. 2006 Rev. 1. 1
TSSOP-28 with Exposed-DAP
Figure 1. Package Type of AA4002
BCD Semiconductor Manufacturing Limited
1



BCD Semiconductor AA4002
STEREO 2W AUDIO POWER AMPLIFIER
Pin Configuration
G Package
(TSSOP-28 with Exposed-DAP)
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 RIGHT OUT+
27 VDD
26 RIGHT OUT-
25 RIGHT GAIN 2
24 RIGHT GAIN 1
23 GND
22 BYPASS
21 HP SENSE
20 GND
19 LEFT GAIN 1
18 LEFT GAIN 2
17 LEFT OUT-
16 VDD
15 LEFT OUT+
Data Sheet
AA4002
Figure 2. Pin Configuration of AA4002
Sep. 2006 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
2



BCD Semiconductor AA4002
STEREO 2W AUDIO POWER AMPLIFIER
Pin Description
Data Sheet
AA4002
Pin Number
Pin Name
Function
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
GND
Ground for circuitry.
SHUTDOWN
GAIN SELECT
MODE
MUTE
Shutdown mode control signal input, place entire IC in shutdown mode when held
high, IDD=0.7µA.
Gain select input pin, logic high will switch the amplifier to external gain mode, and
logic low will switch to internal unity gain.
Mode select input pin, fixed gain when logic L and gain adjustable mode when
logic H.
Mute control input pin, active H.
VDD
DC VOL
Supply voltage input pin.
Volume control function input pin.
RIGHT DOCK Right docking output pin.
RIGHT IN Right channel audio input pin.
BEEP IN
Beep signal input pin.
LEFT IN
Left channel audio input pin.
LEFT DOCK Left docking output pin.
LEFT OUT+ Left channel positive output pin.
LEFT OUT- Left channel negative output pin.
LEFT GAIN 2 Connect pin 2 of the external gain setting resistor for left channel.
LEFT GAIN 1 Connect pin 1 of the external gain setting resistor for left channel.
HP SENSE Headphone sense control pin.
BYPASS
Bypass pin.
RIGHT GAIN 1 Connect pin 1 of the external gain setting resistor for right channel.
RIGHT GAIN 2 Connect pin 2 of the external gain setting resistor for right channel.
RIGHT OUT- Right channel negative output pin.
RIGHT OUT+ Right channel positive output pin.
Sep. 2006 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
3







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