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AKD4648-C Datasheet, PDF (34/71 Pages) Asahi Kasei Microsystems – stereo CODEC with MIC/HP/SPK amplifier
[AKD4648-C]
2-2 ADC (LIN2/RIN2 Æ ADC)(MIC-Amp Gain:0dB)
AK4648 LIN2/RIN2 => ADC (MGAIN 0dB)
THD + N vs Input Level , fs=44.1kHz, fin=1kHz
-60
-62
-64
-66
-68
-70
-72
-74
-76
d
-78
B
F
-80
S
-82
-84
-86
-88
-90
-92
-94
-96
-98
-100
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBr
Figure 22. THD+N vs. Input Level
-60
-62
-64
-66
-68
-70
-72
-74
-76
d
-78
B
F
-80
S
-82
-84
-86
-88
-90
-92
-94
-96
-98
-100
20
AK4648 LIN2/RIN2 => ADC (MGAIN 0dB)
THD + N vs Input Frequency, fs=44.1kHz, -1dB Input
50
100
200
500
1k
2k
Hz
Figure 23. THD+N vs. Input Frequency
5k
10k
20k
<KM088701>
- 34 -
2007/04