Data Sheet
2W STEREO AUDIO POWER AMPLIFIER WITH SHUTDOWN
Typical Performance Characteristics (Continued)
AA4003
800
2.5
600
V
DD
=5.0V, SE Mode
f=1kHz, LPF=30kHz
THD+N=10%
THD+N=1%
2.0
V
DD
=5.0V, BTL Mode
f=1kHz, LPF=30kHz
THD+N=10%
THD+N=1%
Output Power (mW)
Output Power (W)
1.5
400
1.0
200
0.5
0
10
20
30
40
50
60
70
0.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
Resistor Load (ohm)
Resistor Load (
Ω
)
Figure 11. Output Power vs. Resistor Load
@ SE Mode
Figure 12. Output Power vs. Resistor Load
@ BTL Mode
250
3.0
200
SE Mode, R
L
=16
Ω
f=1kHz, LPF=30kHz
THD+N=10%
THD+N=1%
2.5
BTL Mode, R
L
=4
Ω
f=1kHz, LPF=30kHz
THD+N=10%
THD+N=1%
Output Power (mW)
Output Power (mW)
3.0
3.5
4.0
4.5
5.0
2.0
150
1.5
100
1.0
50
0.5
0
2.5
0.0
2.5
3.0
3.5
4.0
4.5
5.0
Supply Voltage (V)
Supply Voltage (V)
Figure 13. Output Power vs. Supply Voltage
@ SE Mode
Figure 14. Output Power vs. Supply Voltage
@ BTL Mode
Oct. 2007 Rev. 1. 1
9
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
