AKD4682-A Datasheet, PDF (38/51 Pages) Asahi Kasei Microsystems – 24bit CODEC that has two channels of ADC and four channels of DAC

ASAHI KASEI
[AKD4682-A]
(DAC fs=192kHz)
AK4682 Linearity fs=192kHz
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
-10
+0
dBFS
Figure 44. Linearity (f Input Frequency =1kHz)
+1
+0.75
+0.5
+0.25
-0
-0.25
-0.5
d -0.75
B
r
-1
A ^-1.25
-1.5
-1.75
-2
-2.25
-2.5
-2.75
90
AK4682 Frequency Response fs=192kHz
AVDD1=AVDD2=DVDD1=DVDD2=5.0V,TVDD=3.3V,PVDD=9.0V
200
500
1k
2k
5k
10k
20k
Hz
Figure 45. Frequency Response (Input Level=0dBFS)
50k 80k
<KM086400>
- 38 -
2007/02