APA2057A
Typical Operating Characteristics (Cont.)
FrequencyResponse
THD+N vs. Output Voltage
+190
+185
+180
+175
+170
10
1
+0.2
+0.1
-0
VDD=5V
Gain
HVDD=3.3V
RL=300W
Rin=39KW
Cin=3.3mF
BW<80KHz
HP mode
Phase
0.1
Fin=20KHz
VDD =5V
HVDD=3.3V
RL=32W
Rin=39KW
Cin=3.3mF
PO=13mW
HP mode
Fin=20Hz
-0.1
0.01
0.001
Fin=1KHz
-0.2
2.5
0
1.5
2
3
0.5
1
10
10k
100k
200k
100
1k
Frequency (Hz)
Output Voltage (Vrms)
THD+N vs. Frequency
Crosstalk vs. Frequency
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
10
VDD=5V
HVDD=3.3V
RL=300W
Rin=39KW
Cin=3.3mF
VO=1.7Vrms
BW<80KHz
HP mode
VDD=5V
HVDD=3.3V
RL=300W
Rin=39KW
Cin=3.3mF
VO=1.7Vrms
BW<80KHz
HP mode
1
0.1
Right to Left
Left to Right
0.01
Right Channel
Left Channel
1k
-100
-110
-120
0.001
20
20k
100
1k
10k
20
100
20k
10k
Frequency (Hz)
Frequency (Hz)
FrequencyResponse
Output Noise Voltage vs. Frequency
100m
10m
1m
+0.4
+0.2
+0
+195
+190
+185
+180
+175
Gain
Right channel
Left channel
VDD =5V
HVDD=3.3V
RL=300W
Rin=39KW
Cin=3.3mF
VO=240mVrms
HP mode
VDD =5V
HVDD=3.3V
RL=300W
Rin=39KW
Cin=3.3mF
A-wighted
HP mode
Phase
-0.2
-0.4
100
10k
20
1k
20k
10
100
1k
10k
100k 200k
Frequency (Hz)
Frequency (Hz)
Copyright ã ANPEC Electronics Corp.
12
www.anpec.com.tw
Rev. A.1 - Aug., 2007
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
