AKD4644-B Datasheet, PDF (22/40 Pages) Asahi Kasei Microsystems – Stereo CODEC with built-in MIC/HP/RCV amplifier

ASAHI KASEI
[AKD4644-B]
2-2 ADC (LIN2/RIN2 Æ ADC) (0dB)
AKM
AK4644 THD+N vs Input Level
fs=44.1kHz , fin=1kHz
-60
-62.5
-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
last.at2c
Figure 21. THD+N vs. Input Frequency
AKM
-60
-62.5
-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
20
AK4644 THD+N vs Input Frequency
fs=44.1kHz , -1dB Input
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 22. THD+N vs. Input Frequency
<KM082800>
- 22 -
2006 / 02