PAM8303D
Ultra Low EMI, 3W Filterless
Mono Class-D Audio Power Amplifier
Typical Operating Characteristics
TA=25°C, VDD=5V, f=1kHz, Gain=2V/V, unless otherwise noted.
1. Efficiency VS Output Power
2. Efficiency VS Output Power
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
VDD=5V
VDD=5V
VDD=3.6V
VDD=3.6V
RL=8Ω
RL=4Ω
0
0.5
1
1.5
2
0
0.5
1
1.5
2
2.5
3
Output Pow er (W)
Output Pow er (W)
Audio Precision
3. THD+N VS Output Power
4. THD+N VS Output Power
30
30
20 RL=8Ω
BW=22Hz ~22kHz
20
10
5
RL=4Ω
BW=22Hz ~22kHz
10
VDD=3.6V
5
VDD=3.6V
2
1
2
1
VDD=3.2V
%
%
VDD=3.2V
0.5
0.5
0.2
0.1
0.2
0.1
VDD=5.0V
VDD=5.0V
30m
50m
100m
200m
500m
W
1
2
3
10m
20m
50m
100m 200m
W
500m
1
2
4
Power Analog Microelectronics,Inc
09/2008 Rev 1.4
www.poweranalog.com
7
PAM [ POWER ANALOG MICOELECTRONICS ]
