Data Sheet
LOW VOLTAGE AUDIO POWER AMPLIFIER
Typical Performance Characteristics
8
16
14
12
10
8
6
4
2
0
AZ386
7
6
5
AZ386
4
Output Voltage (V) (peak to peak)
Supply Current (mA)
3
2
AZ386 R
L
=4
Ω
AZ386 R
L
=8
Ω
AZ386 R
L
=16
Ω
AZ386 R
L
=32
Ω
4
5
6
7
8
1
4
6
8
10
12
14
16
18
Supply Voltage (V)
Supply Voltage (V)
9
10
11
12
13
14
15
16
Figure 4. Quiescent Supply Current vs.
Supply Voltage
60
Figure 5. Peak-to-Peak Output Voltage
Swing vs. Supply Voltage
1.2
50
1.0
AZ386
V
CC
=6V R
L
=8
Ω
P
OUT
=125mW C1,8=0
Voltage Gain (dB)
40
0.8
THD (%)
AZ386 C1,8=0
AZ386 C1,8=10u
30
0.6
20
0.4
10
0.2
0
100
1k
10k
100k
1M
0.0
10
100
Frequency (Hz)
Frequency (Hz)
1k
10k
Figure 6. Voltage Gain vs. Frequency
10
9
Figure 7. Distortion vs. Frequency
2.0
1.8
Device Dissipation (W)
8
7
AZ386
V
CC
=6V R
L
=8
Ω
f=1KHz
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0
R
L
=4
Ω
AZ386 V
CC
=12V
AZ386 V
CC
=9V
AZ386 V
CC
=6V
THD (%)
6
5
4
3
2
1
0
1
10
Power Out (mW)
100
1,000
0.1
0.2
0.3
0.4
0.5
Output Power (W)
Figure 8. Distortion vs. Output Power
Figure 9. Device Dissipation vs. Output Power
(4Ω Load)
Oct. 2006 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
6
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
