AKD4569 Datasheet, PDF (13/27 Pages) Asahi Kasei Microsystems – Evaluation board Rev.A for AK4569

ASAHI KASEI
[AKD4569]
(ADC)
AKM
AK4569 DAC THD+N vs.Input Level (fs=44.1kHz, fin=1kHz)
-60
-62.5
-65
-67.5
-70
-72.5
-75
d ^-77.5
B
F
-80
S -82.5
-85
-87.5
-90
-92.5
-95
-97.5
-100
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
dBr
Color Line Style Thick Data
Axis
Red Solid
Blue Solid
3
DSP Anlr.THD+N Ampl A Left
3
DSP Anlr.THD+N Ampl B Left
last.at2c
Figure 7. THD+N vs Input Level (fin=1kHz)
AKM
AK4569 ADC THD+N vs. fin (fs=44.1kHz, -1dBFS Input)
-60
-65
-70
-75
d
B
-80
F
S
-85
-90
-95
-100
20
50
100
200
500
1k
2k
Hz
Color Line Style Thick Data
Axis
Red Solid
Blue Solid
3
DSP Anlr.THD+N Ampl A Left
3
DSP Anlr.THD+N Ampl B Left
last.at2c
Figure 8. THD+N vs fin (Input Level=-1dBFS)
5k
10k
20k
<KM074000>
- 13 -
2004/02