PAM8603M Datasheet, PDF (5/14 Pages) Power Analog Micoelectronics – 3W Filterless Stereo Class-D Audio Amplifier with DC Volume Control

PAM8603M
3W Filterless Stereo Class-D Audio Amplifier with DC Volume Control
Typical Operating Characteristics (T_A=25°C)
1. Efficiency VS Output Power
100
90
80
70
V = _DD 5V
60
50
40 ^VDD=3.6V
30
20
10
0
R_L=8Ω
0
0.5
1
1.5
2
Output Pow er (W)
2. Efficiency VS Output Power
100
90
80
70
60
V = _DD 5V
50
V = _DD 3.6V
40
30
20
10
0
R_L=4Ω
0
0.5
1
1.5
2
2.5
3
Output Pow er (W)
3.THD+N VS Output Power
30
R_L=8Ω
10 _Gain=20dB
5 ^f=1kHz
2
V_DD=5V
1
% _0.5
VDD=3.6V
0.2
0.1
0.05
0.02
0.01
10m 20m
50m 100m 200m
W
500m 1
2
4
5. THD+N VS Frequency
10
Po=0.5W
5 _RL=8Ω
Cin=0.47μF
Gain=20dB
2
%
1
0.5
V = _DD 5V
0.2
V = _DD 3.6V
0.1
20
50
100
200
500
1k
2k
5k
10k 20k
Hz
4.THD+N VS Output Power
30
20
10
R_L=4Ω
Gain=20dB
5
f=1kHz
V_DD=5V
2
1
% ^0.5
VDD=3.6V
0.2
0.1
0 05
.
0.02
0.01
10m 20m
50m 100m 200m
W
500m
1
2
4
6. THD+N VS Frequency
10
Po=1W
5 _RL=4Ω
Cin=0.47μF
Gain=20dB
2
1
%
0.5
0.2
V_DD=3.6V
0.1
0.08
20
50
100
200
500
1k
2k
Hz
V = _DD 5V
5k
10k 20k
Power Analog Microelectronics,Inc
www.poweranalog.com
5
10/2008 Rev 1.0