AKD4399-SB Datasheet, PDF (24/31 Pages) Asahi Kasei Microsystems – AK4399 Sound quality evaluation board Rev.4

AKM
+0
-10
-20
-30
-40
-50
-60
-70
d
-80
B
r
-90
A
-100
-110
-120
-130
-140
-150
-160
-170
-180
90
200
AKM
+0
-10
-20
-30
-40
-50
-60
-70
d
-80
B
r
-90
A
-100
-110
-120
-130
-140
-150
-160
-170
-180
90
200
(fs=192kHz)
AK4399 FFT
AVDD=DVDD=5V, fs=192kHz, -60dBFS Input
[AKD4399-SB]
500
1k
2k
Hz
5k
10k
20k
Figure 27. FFT (fin=1kHz, Input Level=-60dBFS)
AK4399 FFT
AVDD=DVDD=5V, fs=192kHz, No signal Input
50k 80k
500
1k
2k
Hz
5k
10k
20k
Figure 28. FFT (Noise Floor)
50k 80k
<KM093703>
24
2009/10