AKD4643-B Datasheet, PDF (21/40 Pages) Asahi Kasei Microsystems – Stereo CODEC with built-in MIC/HP/RCV/SPK amplifier

ASAHI KASEI
[AKD4643-B]
AKM
+0
-10
-20
-30
-40
-50
-60
d
-70
B
F
-80
S
-90
-100
-110
-120
-130
-140
-150
-160
20
AK4643 AIN2 -> ADC FFT
fs=44.1kHz , fin=1kHz , No Signal
50
100
200
500
1k
2k
Hz
Figure 21. FFT Plot (No signal)
5k
10k
20k
AKM
-70
-75
-80
-85
-90
-95
-100
d
-105
B
-110
-115
-120
-125
-130
-135
-140
20
AK4643 Crosstalk
fs=44.1kHz , -1dB Input RED : Rch ->Lch , BLUE : Lch -> Rch
50
100
200
500
1k
2k
Hz
Figure 22. Crosstalk Plot
5k
10k
20k
<KM082400>
- 21 -
2005/12