AKD4640 Datasheet, PDF (14/29 Pages) Asahi Kasei Microsystems – AKD4640 EVALUATION BOARD

ASAHI KASEI
AKM
AK4640 ADC FFT Plot
VDD=3.3V, fs=44.1kHz, fin=1kHz, Input=-1.0dBr
+0
-10
-20
-30
-40
-50
-60
d
-70
B
F
-80
S
-90
-100
-110
-120
-130
-140
-150
-160
20
50
100
200
500
1k
2k
5k
Hz
Sweep Trace Color Line Style Thick Data
Axis Comment
1
1
Red Solid
3
Fft.Ch.1 Ampl Left
ADDA.at2c
Figure 13. FFT Plot ( Input level=-1.0dBFS)
AKM
AK4640 ADC FFT Plot
VDD=3.3V, fs=44.1kHz, fin=1kHz, Input=-60dBr
+0
-10
-20
-30
-40
-50
-60
d
-70
B
-80
F
S
-90
-100
-110
-120
-130
-140
-150
-160
20
50
100
200
500
1k
2k
5k
Hz
Sweep Trace Color Line Style Thick Data
Axis Comment
1
1
Red Solid
3
Fft.Ch.1 Ampl Left
ADDA.at2c
Figure 14. FFT Plot ( Input level=-60.0dBFS )
[AKD4640]
10k
20k
10k
20k
<KM072300>
- 14 -
2003/07