PAM8302A
2.5W Filterless Class-D Mono Audio Amplifier
Typical Performance Characteristics
T
A
=25 C, unless otherwise noted.
THD+N VS Output Power
R
L
=8
Ω
, Gain=23dB, f=1kHz
V
DD
= 3 . 6 V
V
DD
= 4 . 2 V
5
%
2
1
0
.5
0
.2
0
.1
20
m
O
THD+N VS Output Power
R
L
=4
Ω
, Gain=23dB, f=1kHz
50
20
10
5
%
2
1
0.
5
50
20
10
V
DD
= 3 . 6 V
V
DD
= 4 . 2 V
V
DD
= 5 V
50
m
100
m
200
m
W
500
m
1
2
3
0.
2
0.
1
20
m
V
DD
= 5 V
50
m
100
m
200
m
W
500
m
1
2
3
THD+N VS Frequency
R
L
=8
Ω
, Cin=0.1 μ F, Gain=23dB, V
DD
=5V
10
5
THD+N VS Frequency
R
L
=8
Ω
, Cin=0.1 μ F, Gain=23dB, V
DD
=3.6V
10
5
2
1
Po=200mW
2
1
%
0.5
Po=500mW
0.5
%
0.2
Po=500mW
0.2
0.1
0.1
0.05
Po=200mW
0.05
0.02
0.02
20
50
100
200
500
Hz
1k
2k
5k
10k
20k
0.01
20
50
100
200
500
Hz
1k
2k
5k
10k
20k
10
5
2
1
0.5
%
0.2
0.1
0.05
0.02
THD+N VS Frequency
R
L
=4
Ω
, Cin=0.1 μ F, Gain=23dB, V
DD
=5V
10
5
2
THD+N VS Frequency
R
L
=4
Ω
, Cin=0.1 μ F, Gain=23dB, V
DD
=3.6V
Po=200mW
Po=500mW
%
1
0.5
Po=500mW
0.2
Po=200mW
0.1
0.05
0.01
20
50
100
200
500
Hz
1k
2k
5k
10
k
20
k
0.02
20
50
100
200
500
Hz
1k
2k
5k
10
k
20
k
Power Analog Microelectronics
,
Inc
www.poweranalog.com
5
09/2008 Rev 1.2
PAM [ POWER ANALOG MICOELECTRONICS ]
