PAM8403
Filterless 3W Class-D Stereo Audio Amplifier
Typical Operating Characteristics (continued)
5. Frequency response
6. Crosstalk VS Frequency
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
TTTTTTTT
+2 4.4
+2 4.2
L
+2 4
+2 3.8
+2 3.6
+2 3.4
+2 3.2
+2 3
R
d
B
r
d
B
A
L
+2 2.8
R
+2 2.6
-110
20
50
100
200
500
1k
2k
5k
10k
20k
10
20
50
100 200
500 1k
Hz
VDD=5V, RL=8Ω,Gain = 24dB, Cin=1μF
2k
5k
10k 20k
Hz
VDD=5V, RL=4Ω,Gv=24dB, Po=0.5W
7. Noise Floor FFT
+0
+0
-10
-10
-20
-30
-20
-30
-40
-40
-50
-50
d
B
V
d
B
V
-60
-60
-70
-70
L
-80
-80
-90
-90
-100
-110
-120
-100
-110
-120
R
20
50
100
200
500
1k
2k
5k
10k
20k
Hz
Inputs ac-ground, VDD=5V, RL=8Ω,Cin=1μF
Power Analog Microelectronics,Inc
www.poweranalog.com
09/2008 Rev 1.3
7
PAM [ POWER ANALOG MICOELECTRONICS ]
