PAM8902 Datasheet, PDF (7/13 Pages) Power Analog Micoelectronics – 30-Vpp Mono Class-D Audio Amplifier for Piezo/Ceramic Speakers

PAM8902
30-Vpp Mono Class-D Audio Amplifier for Piezo/Ceramic Speakers
Typical Operating Characteristics
T_A=25°C, V_DD=5V,Gain=18dB, unless otherwise noted.
7. Output Voltage RMS VS Frequency
10
9
8
ΤΗD=1%
7 Vset Floating
VDD=5.5V
6
5
VDD=4.2V
4
3
VDD=3.6V
2
1
0
20
50 100 200
500 1k 2k
5k 10k 20k
Hz
Frequency(Hz)
9. Output Voltage RMS VS Frequency
8
7 ^ΤΗD=1%
Vset Low
VDD=5.5V
6
5
4
VDD=4.2V
3
VDD=3.6V
2
1
0
20
50 100 200
500 1k 2k
5k 10k 20k
Frequen^Hc^z y(Hz)
11. Output Voltage RMS VS THD+N
20
VDD=3.6V
10 _{Vset High}
5
2
1
0.5
0.2
0.1
0
2
4
6
8
10
12
14
16
V
Output Voltage RMS
8. Output Voltage RMS VS Frequency
12
11 ^{ΤΗD=10%}
Vset Floating
10
VDD=5.5V
9
8
7
6
5
VDD=4.2V
4
3
VDD=3.6V
2
1
0
20
50 100 200
500 1k 2k
5k 10k 20k
Hz
Frequency(Hz)
10. Output Voltage RMS VS Frequency
8
ΤΗD=10%
7 Vset Low
VDD=5.5V
6
5
4
VDD=4.2V
3
VDD=3.6V
2
1
0
20
50 100 200
500 1k 2k
F r e q u e n^Hc^z y ( H z )
5k 10k 20k
12. Output Voltage RMS VS THD+N
20
10 ^VDD=4.2V
Vset Floating
5
2
1
0.5
0.2
0.1
0
1
2
3
4
5
6
7
8
9 10
V
Output Voltage RMS
Power Analog Microelectronics, Inc
www.poweranalog.com
7
01/2012 Rev1.4