AKD4691-A Datasheet, PDF (38/68 Pages) Asahi Kasei Microsystems – Evaluation board Rev.0 for AK4691

[AKD4691-A]




AKM
+0
-20
AK4691 INTL1/R1 => ADC1, INTL2/R2 => ADC2
Linearity fs=48kHz, fin=1kHz
-40
d
B
-60
F
S
-80
-100
-120
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBr










AKM


Figure 29. Linearity
AK4691 INTL1/R1 => ADC1, INTL2/R2 => ADC2
Frequency Response fs=48kHz, -1dB Input
+0
-1
-2
-3
d
B
F
-4
S
-5
-6
-7
-8
20
50
100
200
500
1k
2k
5k
10k 20k
Hz


*Positive Input: C=1μF, Ri=100kΩ(Ext HPF: fc=1.6Hz); Negative Input: C=2.2μF, Rn=2.2kΩ(Ext HPF: fc=33Hz)
Figure 30. Frequency Response
<KM089100>
- 38 -
2007/06