PAM8012 Datasheet, PDF (5/13 Pages) Power Analog Micoelectronics – Mono 2.0WAnti-saturation Class D Audio Power Amplifier with Power Limit

PAM8012
Mono 2.0W Anti-saturation Class D
Audio Power Amplifier with Power Limit
Typical Operating Characteristics
T_A=25°C, V_DD=5V, unless otherwise noted.
1. THD+N VS Output Power
20
RL =8Ω
10
5
Vin=5V
2
%
1
0.5
0.2
0.1
Vin=4.2V
Vin=3.6V
2. THD+N VS Output Power
20
RL=4 Ω
10
5
Vin=5V
2
%
1
Vin=4.2V
0.5
Vin=3.6V
0.2
0.1
0.04
1m 2m
5m 10m 20m
50m 100m 200m 500m 1
2
W
0.05
1m 2m
5m 10m 20m
50m 100m 200m
W
500m 1
24
3. THD+N VS Frequency
10
5 RL =8Ω
4. THD+N VS Frequency
10
5 RL =4Ω
2
1
0.5
%
0.2
0.1
0.05
0.02
0.01
0.007
20
Po=1W
Po=0.5W
Po=0.3W
50
100
200
500
1k
2k
Hz
5k
10k
20k
2
1
0. 5
%
0. 2
0. 1
0.05
0.02
0.01
20
Po=1W
Po=0.5W
Po=0.3W
50
100
200
500
1k
2k
Hz
5k
10k
20k
5. Frequency Response
+ 20
+ 19
Cin=1uF
+ 18
+ 17
+ 16
+ 15 Cin=0.47uF
+ 14
d
+ 13
B
r
+ 12
A
+ 11
+ 10
+9
Cin=0.1uF
+8
+7
+6
+5
+4
20
50
100
200
500
1k
2k
Hz
5k
10k
20 k
50 k
Power Analog Microelectronics, Inc
www.poweranalog.com
6. Frequency VS Supply Voltage
255
253
251
249
247
245
243
241
239
237
235
2.0
3. 0
4. 0
5. 0
6. 0
Supply Voltage(V)
06/2012 Rev1.3
5