AKD4683-B Datasheet, PDF (30/55 Pages) Asahi Kasei Microsystems – 24bit CODEC that has two channels of ADC and four channels of DAC with internal DIR, DIT

ASAHI KASEI
[AKD4683-B]
2.DACà·¦
+0
-10
-20
-30
-40
-50
-60
d
-70
B
r
-80
A
-90
-100
-110
-120
-130
-140
-150
-160
20
(DAC fs=48kHz)
AK4683 FFT fs=48kHz, 0dBFS input
AVDD1=AVDD2=DVDD=PVDD=TVDD=HVDD=5V
50
100
200
500
1k
2k
5k
Hz
Figure 26. FFT(Input Frequency =1kHz, Input Level=0dBFS)
10k
20k
+0
-10
-20
-30
-40
-50
-60
d
-70
B
r
-80
A
-90
-100
-110
-120
-130
-140
-150
-160
20
AK4683 FFT fs=48kHz, -60dB input
AVDD1=AVDD2=DVDD=PVDD=TVDD=HVDD=5V
50
100
200
500
1k
2k
5k
Hz
Figure 27. FFT(Input Frequency =1kHz, Input Level=-60dBFS)
10k
20k
<KM080901>
- 30 -
2006/05