AKD4645-B Datasheet, PDF (19/40 Pages) Asahi Kasei Microsystems – Stereo CODEC with built-in MIC/HP amplifier

ASAHI KASEI
[AKD4645-B]
2. PLOT DATA
2-1 ADC (LIN2/RIN2 Æ ADC) (+20dB)
AK4645 LIN2 -> ADC (MGain+20dB) THD+N vs Input Level
fs=44.1kHz, fin=1kHz
-70
-72
-74
-76
-78
-80
-82
d
-84
B
F
S
-86
-88
-90
-92
-94
-96
-98
-100
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
dBr
Figure 15. THD+N vs. Input Level
-60
-62
-64
-66
-68
-70
-72
-74
-76
d
-78
B
-80
F
S
-82
-84
-86
-88
-90
-92
-94
-96
-98
-100
20
AK4645 THD+N vs Input Frequency
fs=44.1kHz, -1dB Input
50
100
200
500
1k
2k
Hz
Figure 16. THD+N vs. Input Frequency
5k
10k
20k
<KM084500>
- 19 -
2006/07