AKD4392-SB Datasheet, PDF (25/32 Pages) Asahi Kasei Microsystems – AK4392 Sound quality evaluation board Rev.0

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)
AK4392 FFT
AVDD=DVDD=5V, fs=192kHz, -60dBFS Input
[AKD4392-SB]
500
1k
2k
Hz
5k
10k
20k
Figure 30. FFT (fin=1kHz, Input Level=-60dBFS)
AK4392 FFT
AVDD=DVDD=5V, fs=192kHz, No signal Input
50k 80k
500
1k
2k
Hz
5k
10k
20k
Figure 31. FFT (Noise Floor)
50k 80k
<KM099800>
25
2009/06