AKD4420-SC Datasheet, PDF (18/22 Pages) Asahi Kasei Microsystems – AK4420 Evaluation Board Rev.2

[AKD4420-SC]





AKM
AK4420 S/(N+D) vs. Input Level
VDD=CVDD=5V, MCLK=128fs, fs=192kHz, fin=1kHz
-80
-82
-84
-86
-88
-90
-92
-94
-96
d
B
-98
r -100
-102
A
-104
-106
-108
-110
-112
-114
-116
-118
-120
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBFS
Figure 24. S/(N+D) vs. Input Level
AKM
AK4420 S/(N+D) vs. Input Frequency
VDD=CVDD=5V, MCLK=128fs, fs=192kHz, 0dBFS Input
-80
-82
-84
-86
-88
-90
-92
-94
-96
d
B
-98
r -100
-102
A
-104
-106
-108
-110
-112
-114
-116
-118
-120
90
200
500
1k
2k
Hz
5k
10k
20k
Figure 25. S/(N+D) vs. Input Frequency
KM091904







50k 80k
2009/07