Data Sheet
2W STEREO AUDIO POWER AMPLIFIER WITH SHUTDOWN
AA4003
Typical Performance Characteristics (Continued)
75
70
70
60
65
50
60
40
55
30
20
10
50
45
40
VDD=5.0V, SE Mode
RL=32Ω,Cb=1.0μF
VRIPPLE=0.2Vrms
VDD=5.0V, BTL Mode
RL=8Ω, Cb=1.0μF
VRIPPLE=0.2Vrms
10
100
1k
10k
20k
20k
10
100
1k
10k
Frequency (Hz)
Frequency (Hz)
Figure 16. PSRR vs. Frequency
@ BTL Mode
Figure 15. PSRR vs. Frequency
@ SE Mode
4
0
1000
800
600
400
200
0
-80
VDD=5.0V
Gain
-120
-160
-200
-240
-280
-4
-8
Phase
-12
-16
-20
SE Mode, VDD=5.0V
RF=RI=20k, COUT=1000μF
0.2
0.4
0.6
0.8
1.0
10
100
1k
10k
100k
1M
10M
Bypass Capacitor (μF)
Frequency (Hz)
Figure 17. Start-up Time vs. Bypass Capacitor
Figure 18. Closed Loop Frequency Response
Oct. 2007 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
10
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
