APA2037
Typical Operating Characteristics (Cont.)
Output Noise Voltage vs. Frequency
50u
20u
Right channel
Left channel
10u
Output Noise Voltage vs. Frequency
50µ
20µ
Right channel
10µ
Left channel
VDD=3.6V
RL=8Ω
AV=12dB
Ci=0.22µF
A-Weighting
1u
20
100
1k
Frequency (Hz)
10k 20k
PSRR vs. Frequency
+0
-10
RL=8Ω
AV=12dB
-20 Cb=0.22µF
Ci=0.22µF
-30 Vrr=0.2Vrms
-40
-50
-60
-70
VDD=2.4V
-80
-90
VDD=3.6V
VDD=5.0V
-100
20
100
1k
Frequency (Hz)
10k 20k
CMRR vs. Frequency
+0
-10 RL=8Ω
AV=12dB
-20
Vin=0.2VPP
Ci=0.22µF
-30
-40
-50
-60
-70
-80
20
VDD=2.4V
VDD=3.6V
VDD=5.0V
100
1k
Frequency (Hz)
10k 20k
VDD=2.4V
RL=8Ω
AV=12dB
Ci=0.22µF
A-Weighting
1µ
20
100
1k
Frequency (Hz)
10k 20k
PSRR vs. Frequency
+0
-10
VDD=3.6V
RL=8Ω
-20 AV=12dB
Ci=0.22µF
-30 Vrr=0.2Vrms
-40
Cb=0.01µF
-50
Cb=0.1µF
-60
-70 Cb=0.47µF
-80
-90
Cb=1µF
-100
20
100
1k
Frequency (Hz)
10k 20k
CMRR vs. Common Mode Input Voltage
+0
-10
RL=8Ω
AV=12dB
-20 fin=1kHz
Ci=0.22µF
-30
-40
-50
VDD=2.4V
-60
VDD=3.6V
VDD=5.0V
-70
-80
-90
-100
1
2
3
4
5
Common Mode Input Voltage (Vrms)
Copyright © ANPEC Electronics Corp.
9
Rev. A.3 - Aug., 2009
www.anpec.com.tw