AKD4554 Datasheet, PDF (10/27 Pages) Asahi Kasei Microsystems – Evaluation board Rev.0 for AK4554

ASAHI KASEI
[AKD4554]
3.PLOT DATA
3-1 ADC
AKM
-60
-62
AK4554 ADC THD+N vs.Input Level
VDD=2.5V, fs=44.1kHz, fin=1kHz
-64
-66
-68
-70
-72
d
-74
B
F
S
-76
-78
-80
-82
-84
-86
-88
-90
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
dBr
Fig. 1 THD+N vs. Input Level
AKM
-60
-62
-64
-66
-68
-70
-72
d
-74
B
F
S
-76
-78
-80
-82
-84
-86
-88
-90
20
AK4554 ADC THD+N vs. Input Frequency
VDD=2.5V, fs=44.1kHz, Input Level=-0.5dB
50
100
200
500
1k
2k
Hz
Fig.2 THD+N vs. Input Frequency
5k
10k
20k
<KM077900>
- 10 -
2005/03