AKD4390-SA Datasheet, PDF (22/29 Pages) Asahi Kasei Microsystems – AK4390 Sound quality evaluation board Rev.2

[AKD4390-SA]
AKM
+0
-10
-20
-30
-40
-50
-60
-70
d
-80
B
r
-90
A
-100
-110
-120
-130
-140
-150
-160
-170
-180
20
AKM
+0
-10
-20
-30
-40
-50
-60
-70
d
-80
B
r
-90
A
-100
-110
-120
-130
-140
-150
-160
-170
-180
20
(fs=192kHz)
AK4390 FFT
fs=192kHz,0dBFS Input
03/05/08 21:03:43
50
100
200
500
1k
2k
Hz
5k
10k
20k
50k 80k
Figure 18 FFT (fin=1kHz, Input Level=0dBFS)
AK4390 FFT
fs=192kHz,-60dBFS
03/05/08 21:15:25
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 19 FFT (fin=1kHz, Input Level=-60dBFS)
50k 80k
<KM093004>
22
2009/02