Data Sheet
STEREO 2W AUDIO POWER AMPLIFIER
AA4002
Electrical Characteristics (Continued)
(VDD=5V, TA=25oC, unless otherwise specified.)
P a r a m e t e r
S y m b o l
C o n d i t i o n s
Min
Ty p
M a x
U n i t
BTL Mode Section (Continued)
Signal to Noise Ratio
SNR
POUT=1.1W, RL=8Ω, A-Wtd Filter
CB=1.0µF, f=1kHz
93
70
dB
dB
Channel Separation
Typical Performance Characteristics
10
10
VDD=5V
VDD=5V
SE Mode
RL=33Ω
BTL Mode
RL=3.9Ω
LPF=80KHz
LPF=80KHz
1
1KHz
20KHz
20Hz
1
0.1
1KHz (COUT=220µF)
20KHz (COUT=220µF)
20Hz (COUT=1000µF)
0.01
0.1
10
100
100m
1
Output Power (mW)
Output Power (W)
Figure 4. THD+N vs. Output Power
Figure 5. THD+N vs. Output Power
0
-20
10
VDD=5V
SE Mode
CB=1.0µF
VDD=5V
BTL Mode
RL=8.2Ω
VRIPPLE=200mVRMS
LPF=80KHz
1KHz
20KHz
20Hz
-40
1
-60
-80
0.1
-100
10m
100m
1
20
20K
100
1k
10k
Frequency (Hz)
Output Power (W)
Figure 6. THD+N vs. Output Power
Sep. 2006 Rev. 1. 1
Figure 7. PSRR vs. Frequency
BCD Semiconductor Manufacturing Limited
8
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
