AKD4691-A Datasheet, PDF (37/68 Pages) Asahi Kasei Microsystems – Evaluation board Rev.0 for AK4691

[AKD4691-A]
2. ADC (INTL1/INTR1 Æ ADC, INTL2/INTR2 Æ ADC, Pre-Amp Gain=+24dB, IVOL=0dB)


AKM
AK4691 INTL1/R1 => ADC1, INTL2/R2 => ADC2
THD+N vs. Input Level fs=48kHz, fin=1kHz
-70
-75
-80
d
B
F
-85
S
-90
-95
-100
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBr










AKM


Figure 27. THD+N vs. Input Level
AK4691 INTL1/R1 => ADC1, INTL2/R2 => ADC2
THD+N vs. Frequency fs=48kHz, -1dB Input
-70
-75
-80
d
B
F
-85
S
-90
-95
-100
20
50
100
200
500
1k
2k
Hz
Figure 28. THD+N vs. Input Frequency
5k
10k 20k


<KM089100>
- 37 -
2007/06