AKD4554 Datasheet, PDF (12/27 Pages) Asahi Kasei Microsystems – Evaluation board Rev.0 for AK4554

ASAHI KASEI
[AKD4554]
AKM
+0
-10
-20
-30
-40
-50
-60
d
-70
B
F
-80
S
-90
-100
-110
-120
-130
-140
-150
-160
20
AKM
+0
-10
-20
-30
-40
-50
-60
d
-70
B
F
-80
S
-90
-100
-110
-120
-130
-140
-150
-160
20
AK4554 ADC FFT Plot
VDD=2.5V, fs=44.1kHz, fin=1kHz, Input Level=-0.5dB
50
100
200
500
1k
2k
Hz
5k
10k
20k
Fig.5 FFT Plot (Input Level = -0.5dB)
AK4554 ADC FFT Plot
VDD=2.5V, fs=44.1kHz, fin=1kHz, Input Level=-60dB
50
100
200
500
1k
2k
Hz
Fig.6 FFT Plot (Input Level = -60dB)
5k
10k
20k
<KM077900>
- 12 -
2005/03