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AKD4420-SC Datasheet, PDF (19/22 Pages) Asahi Kasei Microsystems – AK4420 Evaluation Board Rev.2
                            [AKD4420-SC]
AKM
+0
-10
-20
AK4420 Linearity
VDD=CVDD=5V, MCLK=128fs, fs=192kHz, fin=1kHz
-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 26. Linearity
AKM
+1
+0.8
+0.6
+0.4
+0.2
+0
-0.2
d
B
-0.4
r
-0.6
A
-0.8
-1
-1.2
-1.4
-1.6
-1.8
-2
AK4420 Frequency Response
VDD=CVDD=5V, MCLK=128fs, fs=192kHz, 0dBFS Input
5k
10k
15k
20k
25k
30k
35k
40k
45k
50k
55k
60k
65k
70k
75k 80k
Hz
Figure 27. Frequency Response
KM091904 -19-     2009/07