PAM8004 Datasheet, PDF (5/11 Pages) Power Analog Micoelectronics – Filterless 3W Class-D Stereo Audio Amplifier

PAM8004
Filterless 3W Class-D Stereo Audio Amplifier
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^
Typical Operating Characteristics (T_A=25°C)
AudioPrecision
1. THD+N vs Output Power
30
T
T
20
R_L=4Ω
T TT
10
07/12/10 18:50:03
A ud io Precision
2. THD+N vs Output Power
30
20
R_L=8Ω
10
07 /12 /10 1 8:2 0:57
5
V_DD=3.6V
5
V_DD=3.6V
2
%
1
0.5
^
0.2
V_DD=5V
0.1
1m
2m
5m
10m
20m
50m
100m
200m
W
AudioPrecision
3. THD+N vs Frequency
10 _T
T
R_L=4Ω
5
Po=0.5W
500m
1
23
07/13/10 10:09:45
2
%
1
0.5
^
0.2
V_DD=5V
0.1
1m 2m
5m 1 0m 20m
5 0m 100m 20 0m
W
AudioPrecision
4. THD+N vs Frequency
10
R_L=8Ω
5
Po=0.5W
500m 1
23
07/13/10 09:56:36
2
1
%
0.5
R
^{ 0.2}
0.1
L
0.06
20
50
100
200
500
1k
2k
Hz
AudioPrecision
5. Frequency Response
+25
+24.5
+24
+23.5
+23
d
B
g +22.5
A
+22
+21.5 ^VDD=5V
Gain=24dB
+21 R_L=4Ω
Vo=0.1Vrms
+20.5 _Cin=1uF
+20
10
20
50
100
200
500
1k
2k
Hz
5k
10k
20k
07/13/10 10:14:11
5k
10k 20k
2
1
%
0.5
R
0.2
^
0.1
0.06
20
50
100
200
AudioPrecision
6. Crosstalk
-50_{T T T T T T}
T
Gain=24dB
-55
R_L=4Ω
-60 Vo=0.1Vrms
Cin=1uF
-65
500
1k
Hz
-70
d
-75
B
-80
-85
L to R
-90
-95
-100
20
50
100
200
500
1k
Hz
L
2k
5k
10k
20k
07/13/10 12:02:45
R to L
2k
5k
10k
20k
Power Analog Microelectronics,Inc
www.poweranalog.com
5
08/2010 Rev1.0