AKD4620B-B_06 Datasheet, PDF (31/63 Pages) Asahi Kasei Microsystems – 24Bit A/D & D/A converter

ASAHI KASEI
AKM
+0
-10
-20
-30
-40
-50
-60
d
-70
B
-80
F
S
-90
-100
-110
-120
-130
-140
-150
-160
90
200
(fs=192kHz)
AK4620 FFT (Singl-ended)
VA=VT=5V, VD=3.3V, fs=192kHz, No input
[AKD4620B-B]
500
1k
2k
5k
10k
20k
Hz
Figure 29. FFT (Noise Floor)
50k 80k
AKM
-80
-85
AK4620 THD+N vs Input Level
VA=VT=5V, VD=3.3V, fs=192kHz
-90
-95
-100
-105
d
B
-110
F
S
-115
-120
-125
-130
-135
-140
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBr
Figure 30. THD+N vs. Input level (fin=1kHz)
<KM078901>
- 31 -
2006/06