
ASAHI KASEI
[AKD4589-B]
<KM076201>
2005/07
-
18
-
(ADC fs=48kHz)
AKM
Red=Lch,Blue=Rch
-160
+0
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
Figure 10. FFT(noise floor)
AKM
Red=Lch,Blue=Rch
-140
+0
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
dBr
-120
-80
-118
-116
-114
-112
-110
-108
-106
-104
-102
-100
-98
-96
-94
-92
-90
-88
-86
-84
-82
d
B
F
S
Figure 11. THD + N vs Input Level(Input Frequency=1kHz)