Low voltage audio power amplifier, 6data sheet az386, Typical performance characteristics – Diodes AZ386 User Manual
Page 6
LOW VOLTAGE AUDIO POWER AMPLIFIER
Apr. 2007 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
6
Data Sheet
AZ386
Figure 4. Quiescent Supply Current vs.
Supply Voltage
Typical Performance Characteristics
Figure 5. Peak-to-Peak Output Voltage
Swing vs. Supply Voltage
Figure 7. Distortion vs. Frequency
Figure 6. Voltage Gain vs. Frequency
Figure 8. Distortion vs. Output Power
1
10
100
1,000
0
1
2
3
4
5
6
7
8
9
10
THD
(%)
Power Out (mW)
AZ386
V
CC
=6V R
L
=8
Ω
f=1KHz
10
100
1k
10k
0.0
0.2
0.4
0.6
0.8
1.0
1.2
T
HD (
%
)
Frequency (Hz)
AZ386
V
CC
=6V R
L
=8
Ω
P
OUT
=125mW C1,8=0
100
1k
10k
100k
1M
0
10
20
30
40
50
60
Vo
ltag
e Gai
n
(
d
B)
Frequency (Hz)
AZ386 C1,8=0
AZ386 C1,8=10u
4
6
8
10
12
14
16
18
1
2
3
4
5
6
7
8
Su
ppl
y
Cu
rr
en
t (
m
A)
Supply Voltage (V)
AZ386
Figure 9. Device Dissipation vs. Output Power
(4
Ω Load)
0.0
0.1
0.2
0.3
0.4
0.5
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Dev
ic
e
Diss
ipa
tion
(W
)
Output Power (W)
AZ386 V
CC
=12V
AZ386 V
CC
=9V
AZ386 V
CC
=6V
R
L
=4
Ω
4
5
6
7
8
9
10
11
12
13
14
15
16
0
2
4
6
8
10
12
14
16
Ou
tp
ut
V
o
lt
a
ge (
V
) (
pea
k
to pea
k
)
Supply Voltage (V)
AZ386 R
L
=4
Ω
AZ386 R
L
=8
Ω
AZ386 R
L
=16
Ω
AZ386 R
L
=32
Ω