AKD4683-B Datasheet, PDF (32/55 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=48kHz)
AK4683 THD+N vs Input Level fs=48kHz
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
Figure 30. 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
20
AK4683 THD+N vs Input Frequency fs=48kHz
AVDD1=AVDD2=DVDD=TVDD=HVDD=5V
50
100
200
500
1k
2k
5k
Hz
Figure 31. THD+N vs Input Frequency (Input Level=0dBFS)
10k
20k
<KM080901>
- 32 -
2006/05