PAM8303D
Ultra Low EMI, 3W Filterless
Mono Class-D Audio Power Amplifier
Typical Operating Characteristics
9. Frequency Response
+5
+4
+3
-20
+0
T
A
=25 ° C, V
DD
=5V, f=1kHz, Gain=2V/V, unless otherwise noted
.
10. PSRR VS Frequency
T
T
-10
Gain=0dB@1kHz
Po=400mW
Inputs ac-ground
V
DD
=3.6V, Vripp=100mVpp,
+2
d
B
r
A
+1
+0
-1
-2
-60
d
B
-30
-40
-50
-3
-4
-5
20
-70
-80
10
50
100
200
500
Hz
1k
2k
5k
10k
20k
20
50
100
200
500
1k
Hz
2k
5k
10k
20k
50k 100k
-30
-35
-40
-45
d
B
r
A
-50
-55
-60
-65
-70
-75
11. CMRR vs Frequency
+0
-1 0
-2 0
-3 0
-4 0
-5 0
d
B
r
A
-6 0
-7 0
-8 0
-9 0
-1 0 0
-1 1 0
-1 2 0
-1 3 0
-1 4 0
12. Noise FFT
Inputs ac-ground
-80
20
50
100
200
500
H
z
1k
2k
5k
10k
20k
-1 5 0
20
50
100
200
500
Hz
1k
2k
5k
10k
20k
Power Analog Microelectronics
,
Inc
www.poweranalog.com
09/2008 Rev 1.4
9