AA4003 Datasheet, PDF (10/18 Pages) BCD Semiconductor Manufacturing Limited – 2W STEREO AUDIO POWER AMPLIFIER WITH SHUTDOWN

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