AA4002 Datasheet, PDF (8/22 Pages) BCD Semiconductor Manufacturing Limited – STEREO 2W AUDIO POWER AMPLIFIER

Data Sheet
STEREO 2W AUDIO POWER AMPLIFIER
AA4002
Electrical Characteristics (Continued)
(V_DD=5V, T_A=25^oC, unless otherwise specified.)
Parameter
Symbol
Conditions
Min Typ Max Unit
BTL Mode Section (Continued)
Signal to Noise Ratio
SNR P_OUT=1.1W, R_L=8Ω, A-Wtd Filter
93
dB
Channel Separation
C_B=1.0µF, f=1kHz
70
dB
Typical Performance Characteristics
10
V =5V
DD
SE Mode
R =33Ω
L
LPF=80KHz
1
0.1
0.01
10
Output Power (mW)
1KHz (C =220µF)
OUT
20KHz (C =220µF)
OUT
20Hz (C =1000µF)
OUT
100
Figure 4. THD+N vs. Output Power
10
V =5V
DD
BTL Mode
R =3.9Ω
L
LPF=80KHz
1KHz
20KHz
20Hz
1
0.1
100m
1
Output Power (W)
Figure 5. THD+N vs. Output Power
10
V =5V
DD
BTL Mode
R =8.2Ω
L
LPF=80KHz
1KHz
1
20KHz
20Hz
0.1
10m
100m
1
Output Power (W)
Figure 6. THD+N vs. Output Power
Sep. 2006 Rev. 1. 1
0
V =5V
DD
SE Mode
-20
C =1.0µF
B
V =200mV
RIPPLE
RMS
-40
-60
-80
-100
20
100
1k
Frequency (Hz)
10k 20K
Figure 7. PSRR vs. Frequency
BCD Semiconductor Manufacturing Limited
8