AKD4640 Datasheet, PDF (18/29 Pages) Asahi Kasei Microsystems – AKD4640 EVALUATION BOARD

ASAHI KASEI
AKM
+0
AK4640 HP FFT Plot (DAC -> HP)
VDD=3.3V, fs=44.1kHz, fin=1kHz, Input=-3dBFS
-20
-40
-60
d
B
r
-80
A
-100
-120
-140
-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
1
2
Blue Solid
3
Fft.Ch.2 Ampl Left
ADDA.at2c
Figure 20. FFT Plot ( Input level=-3dBFS )
AKM
AK4640 HP FFT Plot (DAC -> HP)
VDD=3.3V, fs=44.1kHz, fin=1kHz, Input=-60dBFS
+0
-20
-40
-60
d
B
r
-80
A
-100
-120
-140
-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
1
2
Blue Solid
3
Fft.Ch.2 Ampl Left
ADDA.at2c
Figure 21. FFT Plot ( Input level=-60.0dBFS )
[AKD4640]
10k
20k
10k
20k
<KM072300>
- 18 -
2003/07