AKD4223-A Datasheet, PDF (18/31 Pages) Asahi Kasei Microsystems – AK4223 Evaluation Board Rev.2

ASAHI KASEI
[AKD4223-A]
+0
-10
-20
-30
-40
-50
-60
-70
d
-80
B
r
-90
A
-100
-110
-120
-130
-140
-150
-160
-170
-180
20
AK4223 FFT No Signal,fin=1kHz
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 9. FFT (Noise Floor)
AK4223 Input Level vs THD+N
fin=1kHz
+0
-10
-20
-30
-40
-50
d
B
r
-60
A
-70
-80
-90
-100
-110
-120
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBr
Figure 10. THD+N vs. Input level (fin=1kHz)
<KM101302>
- 18 -
2010/08