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부품번호 | AA4005 기능 |
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기능 | 2.7W Stereo Audio Power Amplifier | ||
제조업체 | BCD | ||
로고 | |||
전체 15 페이지수
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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
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Preliminary Datasheet
2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005
Table-1, Gain vs.Gain0, Gain1 Logic level
GAIN0
L
L
H
H
GAIN1
L
H
L
H
Gain
6dB
10dB
15.6dB
21.6dB
Ordering Information
AA4005
Circuit Type
Package
G: TSSOP-20(EDP)
E1: Lead Free
TR: Tape and Reel
Package
TSSOP-20(EDP)
Part Number
Temperature Range Lead Free
-40 to 85oC
AA4005GTR-E1
Marking ID
Lead Free
AA4005G
Packing Type
Tape and Reel
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Apr. 2008 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
4
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Preliminary Datasheet
2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005
Typical Performance Characteristics
11
10 VIN=0
9 IOUT=0
8 VSHUTDOWN=VDD
7
6
5
4
3
2
1
0
3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage _VDD (V)
Figure 3. Quiescent Current vs. Supply Voltage
200
180 VIN=0
160 IOUT=0
140 VSHUTDOWN=0
120
100
80
60
40
20
0
3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage_VDD (V)
Figure 4. Shutdown Current vs. Supply Voltage
10
f=1kHz
RL=4Ω
Gain=6dB
LPF=22kHz
1
0.1
(VDD=5.5V)
(VDD=5.0V)
(VDD=3.6V)
(VDD=3.3V)
(VDD=3.0V)
10m
100m
1
Output Power (W)
Figure 5. THD+N vs. Output Power
10
VDD=3.0V
f=1kHz
RL=4Ω
Gain=6dB
LPF=22kHz
1
0.1
10m
100m
Output Power (W)
1
Figure 6. THD+N vs. Output Power
Apr. 2008 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
7
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DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |