APA2057A
Typical Operating Characteristics (Cont.)
AMP Attenuation vs. Frequency
AMP Attenuation vs. Frequency
+0
+0
-10
VDD =5V
RL=4W
VDD =5V
RL=8W
-10
-20
-30
-40
-50
-60
-70
-80
-90
Cin=2.2mF
VO=2Vrms(Fin=1KHz, AMP enable)
AMP mode (disable)
Cin=2.2mF
VO=2Vrms(Fin=1KHz,AMP enable)
AMP mode (disable)
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-100
-110
-120
20k
10k
20
1k
100
10k 20k
20
1k
100
Frequency (Hz)
Frequency (Hz)
Shutdown Attenuation vs. Frequency
Shutdown Attenuation vs. Frequency
+0
+0
VDD =5V
RL=8W
Cin=2.2mF
VO=1Vrms(Fin=1KHz)
Shutdown active
AMP mode
VDD =5V
-10
-10
-20
RL=4W
Cin=2.2mF
VO=1Vrms(Fin=1KHz)
-20
-30
-30
-40
Shutdown active
AMP mode
-40
-50
-50
-60
-60
-70
-70
-80
-80
-90
-90
-100
-110
-120
-100
-110
-120
20
20k
10k
20
100
1k
20k
100
1k
10k
Frequency (Hz)
Frequency (Hz)
Input Voltage vs. Output Voltage
Input Voltage vs. Output Voltage
4
3.5
3
3.5
3
VDD =5V
RL=8W
Cin=2.2mF
Fin=1KHz
AMP mode
VDD =5V
RL=4W
Cin=2.2mF
Fin=1KHz
AMP mode
2.5
2
2.5
2
1.5
1
1.5
1
0.5
0.5
0
0.3
0.6
0.9
1.2
1.5
0
0.3
0.6
0.9
1.2
1.5
Input Voltage (Vrms)
Input Voltage (Vrms)
Copyright ã ANPEC Electronics Corp.
9
www.anpec.com.tw
Rev. A.1 - Aug., 2007
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
