AKD4683-B Datasheet, PDF (37/55 Pages) Asahi Kasei Microsystems – 24bit CODEC that has two channels of ADC and four channels of DAC with internal DIR, DIT

ASAHI KASEI
[AKD4683-B]
(DAC fs=96kHz)
AK4683 THD+N vs Input Level fs=96kHz
AVDD1=AVDD2=DVDD=TVDD=HVDD=5V
-80
-82.5
-85
-87.5
-90
-92.5
-95
d -97.5
B
r -100
A ^-102.5
-105
-107.5
-110
-112.5
-115
-117.5
-120
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBFS
FigureFigure 39. THD+N vs Input Level (Input Frequency =1kHz)
-80
-82.5
-85
-87.5
-90
-92.5
-95
d -97.5
B
r -100
A ^-102.5
-105
-107.5
-110
-112.5
-115
-117.5
-120
40 50
AK4683 THD+N vs Input Frequency fs=96kHz
AVDD1=AVDD2=DVDD=TVDD=HVDD=5V
100
200
500
1k
2k
5k
Hz
Figure 40. THD+N vs fin (Input Level=0dBFS)
10k
20k
40k
<KM080901>
- 37 -
2006/05