APA2057A
Typical Operating Characteristics
THD+N vs. Output Power
10
V
DD
=5V
F
in
=1KHz
C
in
=2.2µF
BW<80KHz
AMP mode
THD+N vs. Output Power
10
V
DD
=5V
R
L
=4Ω
C
in
=2.2µF
BW<80KHz
AMP mode
THD+N (%)
1
R
L
=8Ω
R
L
=4Ω
THD+N (%)
1
F
in
=20KHz
F
in
=20Hz
0.1
F
in
=1KHz
0.05
0
0.5
1
1.5
2
2.5
3
0.1
0.01
0.1
1
2
5
Output Power (W)
Output Power (W)
THD+N vs. Frequency
10
V
DD
=5V
R
L
=4Ω
C
in
=2.2µF
P
O
=1.5W
BW<80KHz
AMP mode
Crosstalk vs. Frequency
+0
-10
-20
V
DD
=5V
R
L
=4
Ω
C
in
=2.2µF
u
P
O
=1.5W
AMP mode
Crosstalk (dB)
-30
-40
-50
-60
-70
-80
-90
THD+N (%)
1
Right to Left
Left to Right
Right Channel
Left Channel
0.1
20
100
1k
10k 20k
-100
20
100
1k
10k 20k
Frequency (Hz)
Frequency (Hz)
Output Noise Voltage vs. Frequency
100µ
Frequency Response
+11
Gain
+30
+25
Output Noise Voltage (Vrms)
+10
Gain (dB)
+9
Phase
+15
+10
+5
10µ
+8
V
DD
=5V
R
L
=4Ω
C
in
=2.2µF
A-weighted
AMP mode
+7
+0
+6
10
-5
100k 200k
1µ
20
100
1k
10k 20k
100
1k
10k
Frequency (Hz)
Frequency (Hz)
Copyright
©
ANPEC Electronics Corp.
Rev. A.1 - Aug., 2007
7
www.anpec.com.tw
Phase (deg)
V
DD
=5V
C
in
=2.2µF
R
L
=4Ω
P
O
=0.2W
AMP mode
+20
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
