AKD4682-A Datasheet, PDF (35/51 Pages) Asahi Kasei Microsystems – 24bit CODEC that has two channels of ADC and four channels of DAC

ASAHI KASEI
+0
-10
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d
-70
B
r
-80
A
-90
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90
(DAC fs=192kHz)
AK4682 FFT fs=192kHz 0dBFS input
AVDD1=AVDD2=DVDD1=DVDD2=5.0V, TVDD=3.3V, PVDD=9.0V
200
500
1k
2k
5k
10k
20k
Hz
Figure 38. FFT(Input Frequency =1kHz, Input Level=0dBFS)
[AKD4682-A]
50k 80k
+0
-10
-20
-30
-40
-50
-60
d
-70
B
r
-80
A
-90
-100
-110
-120
-130
-140
-150
-160
90
AK4682 FFT(Notch) fs=192kHz 0dBFS input
AVDD1=AVDD2=DVDD1=DVDD2=5.0V, TVDD=3.3V, PVDD=9.0V
200
500
1k
2k
5k
10k
20k
Hz
Figure 39. FFT(Input Frequency =1kHz, Input Level=0dBFS,Notch=on,40kHzLPF)
50k 80k
<KM086400>
- 35 -
2007/02