PAM8007 Datasheet, PDF (6/16 Pages) Power Analog Micoelectronics – Filterless 3W Class-D Stereo Audio Amplifier with DC Volume Control and Headphone Output

PAM8007
Filterless 3W Class-D Stereo Audio Amplifier
with DC Volume Control and Headphone Output
Typical Operating Characteristics(T_A=25°C)
Speaker
7. Frequency Response
+30
+28
Cin=2.2uF
+26
+24
+22
d
B
Cin=0.1uF
g +20
Cin=0.47uF
A
+18
Cin=1uF
+16
+14
+12
+10
20
50
100
200
500
1k
2k
5k
10k
Hz
9. Power Dissipation vs Output Power
450
400 RL=4 Ω
350
300
250
200
150
100
50
0
0
500 1000 1500 2000 2500 3000
Output Power(mW)
20k
3500
8. Noise Floor
-50
-55
-60
-65
-70
-75
d -80
B
g -85
A -90
-95
-100
-105
-110
-115
-120
20
50
100
200
500
1k
2k
Hz
5k
10k
20k
10.Power Dissipation vs Output Power
180
160
RL=8Ω
140
120
100
80
60
40
20
0
0
500
1000
1500
2000
Output Power(mW)
11. Efficiency vs Output Power
100
90
80
70
60
50
40
30
20
RL=4Ω
VDD=5V
10
0
0
500 1000 1500 2000 2500 3000 3500
O ut put Power (mW)
Power Analog Microelectronics, Inc
12. Efficiency vs Output Power
100
90
80
70
60
50
40
30
20
RL=8 Ω
10
VDD=5V
0
0
500
1000
1500
2000
Output Power(mW)
www.poweranalog.com
6
01/2012 Rev1.2