AKD4420-SC Datasheet, PDF (17/22 Pages) Asahi Kasei Microsystems – AK4420 Evaluation Board Rev.2

[AKD4420-SC]





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
AK4420 FFT
VDD=CVDD=5V, MCLK=128fs, fs=192kHz, No signal Input
200
500
1k
2k
5k
10k
20k
Hz
Figure 22. FFT (No Signal)
50k 80k
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
AK4420 FFT Out of Band Noise
VDD=CVDD=5V, MCLK=128fs, fs=192kHz, No signal Input
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 23. FFT (Out of Band Noise)
KM091904







50k
100k
2009/07