AKD4644-B Datasheet, PDF (20/40 Pages) Asahi Kasei Microsystems – Stereo CODEC with built-in MIC/HP/RCV amplifier

ASAHI KASEI
[AKD4644-B]
AKM
+0
-10
-20
-30
-40
-50
-60
d
-70
B
-80
F
S
-90
-100
-110
-120
-130
-140
-150
-160
20
AK4644 AIN2 -> ADC FFT
fs=44.1kHz , fin=1kHz , -1dB Input
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 17. FFT Plot (Input level= -1dBFs)
AKM
+0
-10
-20
-30
-40
-50
-60
d
-70
B
-80
F
S
-90
-100
-110
-120
-130
-140
-150
-160
20
AK4644 AIN2 -> ADC FFT
fs=44.1kHz , fin=1kHz , -60dB Input
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 18. FFT Plot (Input level= -60dBFs)
<KM082800>
- 20 -
2006 / 02