apa2058 Anpec Electronics Corporation, apa2058 Datasheet - Page 13

• Manufacturer Part Number: apa2058
• Description: 2.4w Stereo Fully Differential Audio Power Amplifier With Stereo Class Ab Cap-free Headphone Driver And Ldo
• Manufacturer: Anpec Electronics Corporation

APA2058
Typical Operating Characteristics (Cont.)
(T
Copyright
Rev. A.5 - Feb., 2010
A
= +25°C, unless otherwise noted.)
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
11
10
0.0
9
8
7
6
5
4
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
4
Supply Current vs. Output Power
Output Power vs. Load Resistance
Supply Current (I
HV
No Load
ANPEC Electronics Corp.
AMP enable
(I
HVDD
0.5
THD+N=1%
DD
8
=3.3V
=0.1mA)
Load Resistance ( )
Output Power (W)
THD+N=10%
V
12
1.0
DD
AMP,HP enable
(I
Voltage (V
Supply Voltage(V)
HVDD
=4.5V
16
=2.2mA)
V
1.5
DD
VDD
=5.0V
20
DD
) vs. Supply
V
HP enable
(I
2.0
DD
HVDD
)
R
A
f
Mono
AMP Mode
=5.5V
in
V
L
24
=1kHz
=4
V
A
f
Mono
AMP Mode
=10dB
in
=2.2mA)
DD
V
=1kHz
=10dB
2.5
=5.0V
28
3.0
32
13
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
3.0
2.5
2.0
1.5
1.0
0.5
0.0
250
200
150
100
50
3.3
0.0
0
10
Output Power vs. Load Resistance
Supply Current (I
V
No Load
Supply Current vs. Output Power
DD
AMP enable
(I
THD+N=1%
=5.0V
VDD
=4.9mA)
AMP,HP enable
(I
0.5
VDD
V
Output Power (W)
Load Resistance ( )
DD
=9.3mA)
3.4
Supply Voltage(V)
Voltage (HV
=4.5V
V
THD+N=10%
DD
1.0
=5.0V
100
HVDD
V
DD
) vs. Supply
3.5
HP enable
(I
DD
www.anpec.com.tw
VDD
)
=5.5V
V
HV
f
Mono
HP Mode
R
A
f
Mono
AMP Mode
1.5
in
in
DD
=5.0mA)
L
V
=1kHz
=1kHz
=8
=10dB
DD
=5.0V
=3.3V
2.0
1000
3.6