AKD4620B-B_06 Datasheet, PDF (57/63 Pages) Asahi Kasei Microsystems – 24Bit A/D & D/A converter

ASAHI KASEI
AKM
+0
-10
-20
-30
-40
-50
-60
d
-70
B
r
-80
A
-90
-100
-110
-120
-130
-140
-150
-160
90
200
(fs=192kHz)
AK4620 FFT (DAC)
VA=VT=5V, VD=3.3V, fs=192kHz, -60dBFS input
[AKD4620B-B]
500
1k
2k
5k
10k
20k
Hz
Figure 79. FFT (fin=1kHz, Input Level=-60dBFS)
50k 80k
AKM
+0
-10
-20
-30
-40
-50
-60
d
-70
B
r
-80
A
-90
-100
-110
-120
-130
-140
-150
-160
90
200
<KM078901>
AK4620 FFT (DAC)
VA=VT=5V, VD=3.3V, fs=192kHz, No input
500
1k
2k
5k
10k
20k
Hz
Figure 80. FFT (Noise Floor)
- 57 -
50k 80k
2006/06