AKD4730 Datasheet, PDF (11/29 Pages) Asahi Kasei Microsystems – AK4730-100W Evaluation Board Rev.4

ASAHI KASEI
[AKD4730-100W]
AKM
+0
-10
AK4730 Vp=48V
THD+N vs Input level
-20
-30
-40
-50
d
B
-60
r
-70
A
-80
-90
-100
-110
-120
-130
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBFS
Figure 5. THD+N vs Input Level (fin=1kHz)
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
AK4730 Vp=48V
Out of band noise
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 6. FFT (Out of band noise)
FFT points=16384, Avg=8, Window=Equiripple
50k
100k
<KM074904>
- 11 -
2005/07