AKD4682-A Datasheet, PDF (32/51 Pages) Asahi Kasei Microsystems – 24bit CODEC that has two channels of ADC and four channels of DAC

ASAHI KASEI
[AKD4682-A]
(DAC fs=96kHz)
AK4682 THD+N vs Input Level fs=96kHz
AVDD1=AVDD2=DVDD1=DVDD2=5.0V,TVDD=3.3V,PVDD=9.0V
-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
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBFS
FigureFigure 33. THD+N vs Input Level (Input Frequency =1kHz)
-70
-72.5
-75
-77.5
-80
-82.5
-85
d -87.5
B
r
-90
A ^-92.5
-95
-97.5
-100
-102.5
-105
-107.5
-110
40 50
AK4682 THD+N vs Input Frequency fs=96kHz
AVDD1=AVDD2=DVDD1=DVDD2=5.0V,TVDD=3.3V,PVDD=9.0V
100
200
500
1k
2k
Hz
5k
10k
Figure 34. THD+N vs fin (Input Level=0dBFS)
20k
40k
<KM086400>
- 32 -
2007/02