apa2058 Anpec Electronics Corporation, apa2058 Datasheet - Page 11

• 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.)
-120
-100
-110
-120
-100
-110
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
-70
-60
-80
-80
-90
-20
-30
-40
-50
-70
-90
+0
+0
T
T
20
20
20
T
T T
V
I
V
LDO Mode
T T
T T
O
V
HV
R
C
V
HP Mode (disable)
V
HV
R
C
V
HP Mode
DD
rr
ANPEC Electronics Corp.
=10mA
HP Attenuation vs. Frequency
T
DD
O
DD
rr
=0.2V
L
i
L
i
=1 F
=1 F
=10k
=32
=0.2V
=1V
=5.0V
DD
DD
=5.0V
=5.0V
=3.3V
T
=3.3V
rms
PSRR vs. Frequency
100
rms
PSRR vs. Frequency
rms
100
100
(HP enable)
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
Vrr:Ripple Voltage on HV
Right channel
Left channel
V
rr
:Ripple Voltage on V
1k
1k
1k
DD
10k
10k
10k
DD
20k
20k
20k
11
-100
-110
-120
-100
-110
-120
3.26
3.25
3.35
3.33
3.32
3.29
3.28
3.27
3.34
3.31
3.30
-20
-30
-40
-50
-60
-70
-80
-90
-20
-30
-40
-50
-60
-70
-80
-90
4.5
T T
T T
20
20
T
T
V
R
A
C
V
AMP Mode
LDO Output Voltage vs. Supply
V
HV
R
C
V
HP Mode
LDO Mode
T
T
DD
V
rr
L
i
T
T
DD
rr
L
i
=0.47 F
=1 F
=8
=10dB
=0.2V
=10k
=0.2V
DD
=5.0V
T
=5.0V
T
T
T
I
=3.3V
O
4.7
PSRR vs. Frequency
100
PSRR vs. Frequency
100
=10mA
rms
rms
Supply Voltage (Volt)
Frequency (Hz)
Frequency (Hz)
V
rr
V
:Ripple Voltage on V
4.9
Voltage
rr
:Ripple Voltage on HV
1k
I
1k
O
I
=100mA
5.1
O
=200mA
www.anpec.com.tw
DD
5.3
DD
10k
10k
20k
20k
5.5