Data Sheet

5
Typical Operating Characteristics(T =25°C)
A
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1. THD+N vs Output Power
V =5V, R =4 , Gain = 18.5dB
DD L
Ω
2. THD+N vs Output Power
V =5V, R =8 , Gain = 18.5dB
DD L
Ω
3. THD+N vs Output Power
V =5V, R =4 , P =0.8W,Gain = 18.5dB
DD L O
Ω
4. THD+N vs Output Power
V =5V, R =8 , P =1.5W,Gain = 18.5dB
DD L O
Ω
0.01
100
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
%
20m 450m100m200m500m1 2
W
V=5V
DD
V =2.5V
DD
V =3.3V
DD
0.01
100
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
%
20m 450m100m200m500m 1 2
W
V=5V
DD
V =2.5V
DD
V =3.3V
DD
0. 01
100
0. 02
0. 05
0.1
0.2
0.5
1
2
5
10
20
50
%
20m 450m 100m200m500m1 2
W
f=100Hz
f=10KHz
f=1KHz
0. 01
100
0. 02
0. 05
0. 1
0. 2
0. 5
1
2
5
10
20
50
%
20m 450m 100m 200m 500m 1 2
W
f=100Hz
f=10KHz
f=1KHz
5. THD+N vs Frequency
V =5V, R =4 ,Gain = 18.5dB
DD L
Ω
0. 01
100
0. 02
0. 05
0. 1
0. 2
0. 5
1
2
5
10
20
50
%
20 20k50 100 200 500 1 k 2k 5k 10k
Hz
Po=2WPo=1.5W
Po=2W
6. THD+N vs Frequency
V =5V, R =8 ,Gain = 18.5dB
DD L
Ω
0. 01
100
0. 02
0. 05
0. 1
0. 2
0. 5
1
2
5
10
20
50
%
20 20k50 100 200 500 1k 2k 5k 10k
Hz
Po=2WPo=0.5W
Po=1W
PAM8403
Filterless 3W Class-D Stereo Audio Amplifier
03/2007
,Power Analog Microelectronics Inc