APA2057A
Typical Operating Characteristics (Cont.)
AMP Attenuation vs. Frequency
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
20
100
1k
10k 20k
V
DD
=5V
R
L
=4Ω
C
in
=2.2µF
V
O
=2Vrms(F
in
=1KHz, AMP enable)
AMP mode (disable)
AMP Attenuation vs. Frequency
+0
-10
-20
V
DD
=5V
R
L
=8Ω
C
in
=2.2µF
V
O
=2Vrms(F
in
=1KHz,AMP enable)
AMP mode (disable)
AMP Attenuation (dB)
AMP Attenuation (dB)
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
20
100
1k
10k 20k
Frequency (Hz)
Frequency (Hz)
Shutdown Attenuation vs. Frequency
+0
-10
Shutdown Attenuation vs. Frequency
+0
-10
R =8Ω
L
-20
C
in
=2.2µF
-40
-50
-60
-70
-80
-90
-100
-110
V
DD
=5V
Shutdown Attenuation (dB)
Shutdown Attenuation (dB)
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
20
V
DD
=5V
R
L
=4Ω
C
in
=2.2µF
V
O
=1Vrms(F
in
=1KHz)
Shutdown active
AMP mode
-30
Shutdown active
AMP mode
V
O
=1Vrms(F
in
=1KHz)
100
1k
10k 20k
-120
20
100
1k
10k 20k
Frequency (Hz)
Frequency (Hz)
Input Voltage vs. Output Voltage
3.5
3
V
DD
=5V
R
L
=4Ω
C
in
=2.2µF
F
in
=1KHz
AMP mode
Input Voltage vs. Output Voltage
4
3.5
V
DD
=5V
R
L
=8Ω
C
in
=2.2µF
F
in
=1KHz
AMP mode
Output Voltage (Vrms)
Output Voltage (Vrms)
3
2.5
2
1.5
1
0.5
2.5
2
1.5
1
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)
Copyright
©
ANPEC Electronics Corp.
Rev. A.1 - Aug., 2007
9
Input Voltage (Vrms)
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ANPEC [ ANPEC ELECTRONICS COROPRATION ]
