apa2058 Anpec Electronics Corporation, apa2058 Datasheet - Page 12

• 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.)
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.09
0.06
0.03
0.15
0.12
0.0
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
0
Output Power vs. Supply Voltage
R
A
f
Mono
AMP Mode
0
in
V
L
=1kHz
=4
=10dB
LDO Drop-Out Voltage vs. Output
LDO Mode
ANPEC Electronics Corp.
Power Dissipation vs. Output
0.5
Supply Voltage (V)
Output Power (W)
Output Current (A)
0.1
THD+N=10%
Current
Power
V
THD+N=1%
1.0
DD
=4.5V
V
DD
0.2
=5.0V
R
f
Mono
AMP Mode
1.5
in
L
=1kHz
V
=8
DD
=5.5V
2.0
0.3
12
300
250
200
150
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
2.0
1.8
1.6
1.4
1.2
1.0
0.8
50
0
0.0
4.5 4.6 4.7
0
Output Power vs. Supply Voltage
R
A
f
Mono
AMP Mode
in
Power Dissipation vs. Output
V
Power Dissipation vs. Output
L
=1kHz
25
=8
=10dB
0.5
50
Output Power (mW)
Supply Voltage (V)
Output Power (W)
4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
1.0
75
V
Power
DD
Power
THD+N=10%
=4.5V
THD+N=1%
1.5
100 125
V
DD
R
2.0
=5.0V
L
=32
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R
f
Mono
AMP Mode
V
HV
f
Mono
HP Mode
in
in
R
150
L
DD
V
=1kHz
=1kHz
=4
L
DD
DD
=16
=5.0V
2.5
=5.5V
=3.3V
175
3.0
200