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PDF AA4005 Data sheet ( Hoja de datos )
| Número de pieza | AA4005 | |
| Descripción | 2.7W Stereo Audio Power Amplifier | |
| Fabricantes | BCD | |
| Logotipo |  |
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Preliminary Datasheet
2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005
General Description
Features
The AA4005 is a Class AB audio power amplifier · Output Power, THD+N=10%
which can deliver 2.7W into 3Ω speakers with 5.0V
1.5W at BTL Mode for 8Ω Speaker
power supply and THD+N less than 10%. It is designed
2.3W at BTL Mode for 4Ω Speaker
specially for Notebook PC and portable media player
2.7W at BTL Mode for 3Ω Speaker
applications.
· Supply Voltage Range: 3.0V to 5.5V
The AA4005 features stereo full differential input or 2 sets
of stereo Single-Ended audio input. There are 4 different
gain settings at BTL mode - 6dB, 10dB, 15.6dB and
21.6dB, changed by setting GAIN0, GAIN1 pins.
·
·
·
4 Selectable Internal Fixed Gain Setups
Stereo Full Differential Input
Low Power Consumption at Shutdown Mode
100µA Typical
· Excellent Click/POP Noise Suppression
AA4005 is available in TSSOP-20 (EDP) package.
· Thermal Shutdown Protection
Applications
· Notebook PC
· Portable Media Player
Apr. 2008 Rev. 1. 0
TSSOP-20（EDP）
Figure 1. Package Type of AA4005
BCD Semiconductor Manufacturing Limited
1
1 page  
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Preliminary Datasheet
2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005
Absolute Maximum Ratings (Note 1)
Parameter
Power Supply Voltage
Input Voltage
Power Dissipation (Note 2)
Thermal Resistance
Operating Junction Temperature
ESD (Machine Mode)
ESD (Human Body Mode)
Storage Temperature Range
Lead Temperature (Soldering, 10 Seconds)
Symbol
VDD
VIN
PD
θJA
TJ
TSTG
TLEAD
Value
6.0
-0.3 to VDD+0.3
Internally limited
35 (Note 3)
150
200
2000
-65 to 150
260
Unit
V
V
oC/W
oC
V
V
oC
oC
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device.
These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated
under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods
may affect device reliability.
Note 2: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA and the
ambient temperature TA. The maximum allowable power dissipation is PDMAX = (TJMAX-TA)/θJA. For the AA4005, TJMAX =
150oC, and the typical junction-to-ambient thermal resistance for TSSOP-20 (EDP) package can be found in the Absolute
Maximum Ratings section.
Note 3: Chip is soldered to 60mm2 (4mm×15mm) copper (top side solder mask) of 1oz. on PCB with 8×0.5mm vias.
Recommended Operating Conditions
Parameter
Input Voltage
Operating Ambient Temperature Range
Symbol
VDD
TA
Min Max Unit
3.0 5.5
V
-40 85
oC
Apr. 2008 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
5
5 Page 
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Preliminary Datasheet
2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005
Typical Performance Characteristics (Continued)
0
VDD=5.0V
-10 Cb=1.0µF, RL=8Ω
-20 Vripple=0.2VRMS
Input AC Ground
-30
-40
-50
-60
-70
-80
-90
20
100 1k
Frequency (Hz)
10k 20k
Figure 19. PSRR vs. Frequency
0
VDD=5.0V
-20 RL=8Ω, PO=1.0W
-40
-60
-80 Right -> Left
-100
-120
-140
20
Left -> Right
100 1k
Frequency (Hz)
10k 20k
Figure 20. Crosstalk vs. Frequency
Apr. 2008 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet AA4005.PDF ] | |
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