AKD4586 Datasheet, PDF (19/46 Pages) Asahi Kasei Microsystems – Evaluation board Rev.B for AK4586

ASAHI KASEI
[AKD4586]
AKM
+0
-10
-20
-30
-40
-50
-60
d
-70
B
-80
F
S
-90
-100
-110
-120
-130
-140
-150
-160
20
AKM
+0
-10
-20
-30
-40
-50
-60
d
-70
B
-80
F
S
-90
-100
-110
-120
-130
-140
-150
-160
20
(ADC, fs=48kHz)
A K 4 5 8 6 A D C F F T (fs =4 8 kHz; 1 kHz, -0 .5 d B F S inp ut)
F F T p o ints =1 6 3 8 4 , A vg =8 , W ind o w=E q uirrip le
50
100
200
500
1k
2k
5k
10k
20k
Hz
4 5 8 6 _ AD C .a t2 c
Figure 1-1. FFT (1kHz, -0.5dBFS input)
FFT points=16384, Avg=8, Window=Equiripple
AK4586 ADC FFT (fs=48kHz; 1kHz, -60dBFS input)
FFT points=16384, Avg=8, W indow=Equirriple
50
100
200
500
1k
2k
Hz
4 586_AD C .at2c
Figure 1-2. FFT (1kHz, -60dBFS input)
FFT points=16384, Avg=8, Window=Equiripple
5k
10k
20k
<KM065102>
- 19 -
2005/7