APA2057A
Typical Operating Characteristics (Cont.)
THD+N vs. Output Power
THD+N vs. Frequency
10
10
VDD =5V
VDD =5V
RL=8W
RL=8W
Cin=2.2mF
BW<80KHz
AMP mode
Cin=2.2mF
PO=0.92W
BW<80KHz
AMP mode
1
1
Fin=20KHz
Fin=20Hz
Left Channel
0.1
0.1
Fin=1KHz
Right Channel
0.05
0.05
5
20
100
1k
10k 20k
0.01
0.1
1
Frequency (Hz)
Output Power (W)
Crosstalk vs. Frequency
Output Noise Voltage vs. Frequency
100m
+0
-10
-20
-30
-40
-50
-60
-70
-80
VDD =5V
W
RL=8
m
Cin=2.2
F
PO=0.92W
AMP mode
10m
VDD =5V
RL=8W
Cin=2.2mF
A-weighted
AMP mode
Left to Right
Right to Left
-90
1m
20
-100
20
20k
1k
10k
20k
+30
100
1k
10k
100
Frequency (Hz)
Frequency (Hz)
FrequencyResponse
Crosstalk vs. Frequency
+0
-10
+11
VDD =5V
Gain
RL=4Ohm (AMP)
RL=10KW(HP)
Cin=2.2mF (AMP)
PO=1.5W(AMP)
AMP (active) mode
HP Mode
+25
+20
+15
+10
+5
-20
+10
+9
+8
+7
+6
-30
VDD =5V
Cin =2.2mF
RL=8W
PO=0.13W
AMP mode
-40
-50
Right(AMP) to Right(HP)
-60
Left(AMP) to Left(HP)
Left(AMP) to Right(HP)
-70
-80
-90
Phase
-100
-110
-120
+0
-5
Right(AMP) to Left(HP)
20
20k
10k
100
1k
10
100
1k
10k
100k
200k
Frequency (Hz)
Frequency (Hz)
Copyright ã ANPEC Electronics Corp.
8
www.anpec.com.tw
Rev. A.1 - Aug., 2007
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
