AKD4551 Datasheet, PDF (9/17 Pages) Asahi Kasei Microsystems – EVALUATION BOARD REV.C FOR AK4551

ASAHI KASEI
[AKD4551]
3. Graph
(1) ADC
AKM
AK4551 ADC THD+N vs. Input Level
VDD=2.5V, fs=44.1kHz, fin=1kHz
-70
-72
-74
-76
d
-78
B
-80
F
S
-82
-84
-86
-88
-90
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
dBr
Fig 1. THD+N vs. Input Level
AKM
-60
-65
-70
-75
d
B
-80
F
S
-85
-90
-95
-100
20
AK4551 ADC THD+N vs. Input Frequency
VDD=2.5V, fs=44.1kHz, Input=-0.5dBr
50
100
200
500
1k
2k
Hz
5k
10k
20k
Fig 2. THD+N vs. Input Frequency
<KM062000>
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