AKD4648-C Datasheet, PDF (30/71 Pages) Asahi Kasei Microsystems – stereo CODEC with MIC/HP/SPK amplifier

2. PLOT DATA
2-1 ADC (LIN2/RIN2 Æ ADC)(MIC-Amp Gain:+20dB)
[AKD4648-C]
AK4648 LIN2/RIN2 => ADC (MGAIN+20dB)
THD + N vs Input Level, fs=44.1kHz, fin=1kHz
-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
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBr
Figure 14. 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
AK4648 LIN2/RIN2 => ADC (MGAIN+20dB)
THD + N vs Input Frequency, fs=44.1kHz, -1dB Input
50
100
200
500
1k
2k
Hz
Figure 15. THD+N vs. Input Frequency
5k
10k
20k
<KM088701>
- 30 -
2007/04