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PDF AA4002 Data sheet ( Hoja de datos )
| Número de pieza | AA4002 | |
| Descripción | STEREO 2W AUDIO POWER AMPLIFIER | |
| Fabricantes | BCD Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AA4002 (archivo pdf) en la parte inferior de esta página. Total 22 Páginas | ||
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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 4Ω with · 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
1 page  
Data Sheet
STEREO 2W AUDIO POWER AMPLIFIER
Truth Table for Logic Inputs (Note 1)
AA4002
Gain Sel
0
0
0
0
1
1
1
1
X
X
Mode
0
0
1
1
0
0
1
1
X
X
Headphone
Sense
0
1
0
1
0
1
0
1
X
X
Mute
0
0
0
0
0
0
0
0
1
X
Shutdown
0
0
0
0
0
0
0
0
0
1
Output Stage
Set To
Internal Gain
Internal Gain
Internal Gain
Internal Gain
External Gain
External Gain
External Gain
External Gain
Muted
Shutdown
DC Volume
Fixed
Fixed
Adjustable
Adjustable
Fixed
Fixed
Adjustable
Adjustable
X
X
Output Stage
Configuration
BTL
SE
BTL
SE
BTL
SE
BTL
SE
Muted
X
Note 1: If system beep is detected on the BEEP IN pin, the system beep will be passed through the bridged amplifier regardless
of the logic of the MUTE and HP SENSE pins.
Ordering Information
AA4002
Circuit Type
Package
G: TSSOP-28 with Exposed-DAP
-
E1: Lead Free
TR: Tape and Reel
Blank: Tube
Package
Temperature Range
Part Number
Marking ID
Packing Type
TSSOP-28
with Exposed-DAP
-40 to 85 ℃
AA4002G-E1
AA4002GTR-E1
AA4002G-E1
AA4002G-E1
Tube
Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Sep. 2006 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
5
5 Page 
STEREO 2W AUDIO POWER AMPLIFIER
Typical Performance Characteristics (Continued)
Data Sheet
AA4002
0.26
V =5V
0.24
DD
SE Mode
0.22
f=1KHz
THD<1%
0.20 LPF=80KHz
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.0
40.0m
AA4002 R =8Ω
L
AA4002 R =33Ω
L
80.0m
120.0m
Output Power (W)
160.0m
200.0m
Figure 16. Power Dissipation vs. Output Power
1.8
V =5V
1.6
DD
BTL Mode
f=1KHz
1.4 R =3.9Ω
L
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0
0.5
1.0 1.5
Output Power (W)
2.0
2.5
Figure 17. Power Dissipation vs. Output Power
20
V =0mV
18 IN
I =0mA
O
16
14
12
BTL Mode
10
8
SE Mode
6
4
2
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply Voltage (V)
Figure 18. Supply Current vs. Supply Voltage
0
-10
-20
-30
-40
-50
-60
-70
-80
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Volume Control Voltage (V)
Figure 19. Volume Control Characteristics
Sep. 2006 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
11
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet AA4002.PDF ] | |
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