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PAM8404 Datasheet(PDF) 7 Page - Power Analog Micoelectronics

Part # PAM8404
Description  3W/CH Filterless Stereo Class-D Audio Amplifier
PDF  18 Pages
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Manufacturer  PAM [Power Analog Micoelectronics]
Direct Link  http://www.poweranalog.com
Logo PAM - Power Analog Micoelectronics

PAM8404 Datasheet(HTML) 7 Page - Power Analog Micoelectronics

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Typical Operating Characteristics (T =25°C)
A
THD+N vs Output Power
R =8 , Gain=23dB, f=1kHz
L
Ω
THD+N vs Output Power
R =4 , Gain=23dB, f=1kHz
L
Ω
0.01
30
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
%
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
VDD=5.5V
VDD=5V
VDD=3.6V
THD+N vs Frequency
P =0.5W, R =8 , C =1 F,Gain=23dB
OL
IN
Ωμ
THD+N vs Frequency
P =0.5W, R =4 , C =1 F,Gain=23dB
OL
IN
Ωμ
7
,
Power Analog Microelectronics Inc
www.poweranalog.com
Efficiency vs Output Power
R=8
V =5V, L =33 H
LDD
Ω,
μ
Efficiency vs Output Power
R=4
V =5V, L =33 H
LDD
Ω,
μ
PAM8404
3W/CH Filterless Stereo Class-D Audio Amplifier
10
20
30
40
50
60
70
80
90
100
0
200
400
600
800
1000 1200 1400 1600 1800
Output Pow er(mW)
10
20
30
40
50
60
70
80
90
100
0
300 600
900 1200 1500 1800 2100 2400 2700 3000
Output Pow er(mW)
0.01
30
0.02
0.05
0.1
0.2
0.5
1
2
5
10
%
10m
4
20m
50m
100m
200m
500m
1
2
W
VDD=2.5V
VDD=3.6V
VDD=5V
0.01
30
0.02
0.05
0.1
0.2
0.5
1
2
5
10
%
10 m
4
20 m
50 m
100m
200m
500m
1
2
W
VDD=2.5V
VDD=3.6V
VDD=5V
0
.01
30
0
.02
0
.05
0
.1
0
.2
0
.5
1
2
5
10
20
%
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
VDD=5.5V
VDD=5V
VDD=3.6V
QFN 4x4 20-Pin
03/2009 Rev 1.1



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