AKD4392-SB Datasheet, PDF (15/32 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
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=44.1kHz)
AK4392 FFT
AVDD=DVDD=5V, fs=44.1kHz, No signal Input
[AKD4392-SB]
50
100
200
500
1k
2k
Hz
Figure 12. FFT (Noise Floor)
5k
10k
20k
AK4392 FFT Out of band noise
AVDD=DVDD=5V, fs=44.1kHz, No signal Input
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 13. FFT (Out of band noise)
50k
100k
<KM099800>
15
2009/06