AKD4569 Datasheet, PDF (11/27 Pages) Asahi Kasei Microsystems – Evaluation board Rev.A for AK4569

ASAHI KASEI
(ADC)
AKM
AK4569 ADC FFT (fs=44.1kHz, fin=1kHz, -1dBr Input)
FFT point=16384, Avg=8, window=Equiripple
+0
-20
-40
-60
d
-80
B
F
S ^-100
-120
-140
-160
-180
20
50
100
200
500
1k
2k
5k
Hz
Color Line Style Thick Data
Axis
Red Solid
Blue Solid
3
Fft.Ch.1 Ampl Left
3
Fft.Ch.2 Ampl Left
last.at2c
Figure 4. FFT (1kHz, -1dBFS input)
FFT points=16384, Avg=8, Window=Equiripple
AKM
AK4569 ADC FFT (fs=44.1kHz, fin=1kHz, -60dBr
FFT point=16384, AInvpgu=t8), window=Equiripple
+0
-20
-40
-60
d
-80
B
F
S ^-100
-120
-140
-160
-180
20
50
100
200
500
1k
2k
5k
Hz
Color Line Style Thick Data
Axis
Red Solid
Blue Solid
3
Fft.Ch.1 Ampl Left
3
Fft.Ch.2 Ampl Left
last.at2c
Figure 5. FFT (1kHz, -60dBFS input)
FFT points=16384, Avg=8, Window=Equiripple
[AKD4569]
10k
20k
10k
20k
<KM074000>
- 11 -
2004/02