AKD4589-B Datasheet, PDF (22/51 Pages) Asahi Kasei Microsystems – gle chip 24bit CODEC that has two channels of ADC

ASAHI KASEI
AKM
+0
-10
-20
-30
-40
-50
-60
-70
d
-80
B
-90
F
S -100
-110
-120
-130
-140
-150
-160
-170
-180
40 50
100
200
(ADC fs=96kHz)
Red=Lch,Blue=Rch
500
1k
2k
Hz
Figure 18. FFT(Noise floor)
[AKD4589-B]
5k
10k
20k
40k
AKM
Red=Lch,Blue=Rch
-80
-82
-84
-86
-88
-90
-92
-94
-96
d
-98
B
-100
F
S -102
-104
-106
-108
-110
-112
-114
-116
-118
-120
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBr
Figure 19. THD + N vs Input Level (Input Frequency=1kHz)
<KM076201>
- 22 -
2005/07