AKD4643-B Datasheet, PDF (18/40 Pages) Asahi Kasei Microsystems – Stereo CODEC with built-in MIC/HP/RCV/SPK amplifier

ASAHI KASEI
[AKD4643-B]
2. PLOT DATA
2-1 ADC (LIN2/RIN2 Æ ADC) (+20dB)
AKM
-60
-62.5
AK4643 THD+N vs Input Level
fs=44.1kHz , fin=1kHz
-65
-67.5
-70
-72.5
-75
d ^-77.5
B
-80
F
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
Figure 15. THD+N vs. Input Level
AKM
-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
20
AK4643 THD+N vs Input Frequencyl
fs=44.1kHz , -1dB Input
50
100
200
500
1k
2k
Hz
Figure 16. THD+N vs. Input Frequency
5k
10k
20k
<KM082400>
- 18 -
2005/12