PAM8403 Datasheet, PDF (6/12 Pages) Power Analog Micoelectronics – Filterless 3W Class-D Stereo Audio Amplifier

PAM8403
Filterless 3W Class-D Stereo Audio Amplifier
Typical Operating Characteristics (T_A=25°C)
1. THD+N vs Output Power
100
50
20
10
V = _DD 2.5V
5
V = _DD 3.3V
2
%
1
0.5
0.2
0.1
0.05
0.02
0.01
20m
V = _DD 5V
50m
100m
200m
500m
1
W
2
4
R_L=4Ω, Gain = 24dB, f=1kHz
3. THD+N vs Frequency
100
50
20
10
5
2
%
1
0.5
L
0.2
0.1
0.05
0.02
0.01
20
R
50
100
200
500
1k
2k
Hz
5k
10k 20k
V = _DD 5V, R_L=4Ω,Gain = 24dB, Cin=1μF
2. THD+N vs Output Power
100
50
20
V = _DD 2.5V ^{V = DD 3.3V}
10
5
2
%
1
0.5
0.2
0.1
0.05
V = _DD 5V
0.02
0.01
20m
50m
100m
200m
500m
1
W
2
4
R_L=8Ω, Gain = 24dB, f=1kHz
4. THD+N vs Frequency
100
50
20
10
5
2
%
1
0.5
0.2
L
0.1
0.05
0.02
0.01
20
R
50
100
200
500
1k
2k
Hz
5k
10k 20k
V_DD=5V, R_L=8Ω,Gain = 24dB, Cin=1μF
Power Analog Microelectronics,Inc
www.poweranalog.com
6
09/2008 Rev 1.3