PAM8303D
Ultra Low EMI, 3W Filterless
Mono Class-D Audio Power Amplifier
Typical Operating Characteristics
5. THD+N VS Frequency
10
T
A
=25 ° C, V
DD
=5V, f=1kHz, Gain=2V/V, unless otherwise noted
.
6. THD+N VS Frequency
R
L
=4 Ω,V
DD
=3.6V
BW=10Hz ~30kHz
10
5
R
L
=4 Ω,V
DD
=5V
BW=10Hz ~30kHz
5
2
2
Po=1W
%
1
Po=1W
Po=400mW
%
1
0.5
0.5
0.2
0.2
Po=150mW
50
100
200
500
Hz
1k
2k
5k
10k
20k
0.1
20
50
100
200
500
Hz
1k
2k
5k
10k
20k
0.1
20
7. THD+N VS Frequency
10
10
8. THD+N VS Frequency
5
5
R
L
=8 Ω,V
DD
=5V
BW=10Hz ~30kHz
R
L
=8 Ω,V
DD
=3.6V
BW=10Hz ~30kHz
2
2
Po=400mW
%
1
%
1
Po=100mW
0.5
0.5
0.2
0.2
Po=1W
0.1
20
50
100
200
500
Hz
1k
2k
5k
10k
20k
0.1
20
50
100
200
Po=500mW
500
Hz
1k
2k
5k
10k
20k
Power Analog Microelectronics
,
Inc
www.poweranalog.com
09/2008 Rev 1.4
8