APA2020A Anpec Electronics Coropration, APA2020A Datasheet - Page 18

• Manufacturer Part Number: APA2020A
• Description: Stereo 2-W Audio Power Amplifier
• Manufacturer: Anpec Electronics Coropration

APA2020A
Typical Characteristics (Cont.)
Copyright  ANPEC Electronics Corp.
Rev. A.5 - July., 2002
dB
-10
-0
-1
-2
-3
-4
-5
-6
-7
-8
-9
9
8
7
6
5
4
3
2
1
0
2.5
20
50 100 200 5001k 2k 5k 10k20k 50k
3
V
DD
3.5
- Supply Voltage - V
Stereo BTL
f- Frequency
Figure 46
Figure 44
Phase
Gain
Stereo SE
4
Hz
4.5
V
A
P
5
DD
V
O
=1 V/V
=0.5W
=5V
5.5
200k
6
18
dB
2.5
1.5
0.5
-10
-0
-1
-2
-3
-4
-5
-6
-7
-8
-9
3
2
1
0
2.5
20
THD +N = 1%
BTL
V
50 100 200 5001k 2k 5k 10k20k 50k
3
DD
- Supply Voltage - V
R
L
3.5
=3 Ω Ω Ω Ω Ω
Phase
Figure 47
Gain
f- Frequency
Figure 45
4
Hz
4.5
www.anpec.com.tw
R
R
L
L
V
A
P
=4 Ω Ω Ω Ω Ω
=8 Ω Ω Ω Ω Ω
5
DD
O
V
=1 V/V
=0.25W
=3.3V
5.5
200k
6