APA2057A
Typical Operating Characteristics (Cont.)
HP attenuation vs. Frequency
HP attenuation vs. Frequency
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
+0
VDD =5V
HVDD=3.3V
RL=32W
Cin=3.3mF
VO=1Vrms(Fin=1KHz HP enable)
HP mode (disable)
VDD =5V
HVDD=3.3V
RL=10KW
Cin=3.3mF
VO=1Vrms(Fin=1KHz HP enable)
HP mode (disable)
-10
-20
-30
-40
-50
-60
-70
-80
-90
Right channel
100
Left channel
-100
-110
-120
Left channel
Right channel
1k
20
10k 20k
1k
20
10k 20k
100Frequency (Hz)
Frequency (Hz)
Shutdown attenuation vs. Frequency
Shutdown attenuation vs. Frequency
+0
+0
-10
VDD =5V
VDD =5V
HVDD=3.3V
RL=32W
-10 HVDD=3.3V
RL=10KW
Cin=3.3mF
-20
-20
Cin=3.3mF
-30
-30 VO=1Vrms(Fin=1KHz)
VO=1Vrms(Fin=1KHz)
Shutdown active
HP mode
Shutdown active
HP mode
-40
-40
-50
-50
-60
-70
-80
-90
-60
-70
-80
Left channel
-90
-100
-110
-120
-130
-140
-100
Left channel
-110
-120
-130
Right channel
Right channel
20k
1k
10k
20
100
20k
10k
20
100
1k
Frequency (Hz)
Frequency (Hz)
Input Voltage vs. Output Voltage
Input Voltage vs. Output Voltage
3
2.5
2
2.5
2
VDD =5V
HVDD=3.3V
RL=32W
Rin=39KW
Cin=3mF
Fin=1KHz
HP mode
VDD =5V
HVDD=3.3V
Mono
RL=16W
Rin=39KW
Cin=3mF
Fin=1KHz
HP mode
Mono
Stereo, in
phase
Stereo, in
phase
1.5
1
1.5
1
0.5
0
0.5
0
3
0
2
0.5
1
1.5
2.5
0
0.5
1
1.5
2
2.5
Input Voltage (Vrms)
Input Voltage (Vrms)
Copyright ã ANPEC Electronics Corp.
14
www.anpec.com.tw
Rev. A.1 - Aug., 2007
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
