AKD4682-A Datasheet, PDF (28/51 Pages) Asahi Kasei Microsystems – 24bit CODEC that has two channels of ADC and four channels of DAC

ASAHI KASEI
-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
20
(DAC fs=48kHz)
AK4682 THD+N vs Input Frequency fs=48kHz
AVDD1=AVDD2=DVDD1=DVDD2=5.0V,TVDD=3.3V,PVDD=9.0V
50
100
200
500
1k
2k
5k
Hz
Figure 25. THD+N vs Input Frequency (Input Level=0dBFS)
[AKD4682-A]
10k
20k
AKM
AK4682 Linearity fs=48kHz
AVDD1=AVDD2=DVDD1=DVDD2=5.0V,TVDD=3.3V,PVDD=9.0V
+0
-10
-20
-30
-40
-50
d
-60
B
r
-70
A
-80
-90
-100
-110
-120
-130
-140
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
dBFS
Figure 26. Linearity (Input Frequency =1kHz)
-10
+0
<KM086400>
- 28 -
2007/02