ASAHI KASEI
[AKD4584]
<KM065802>
2009/06
- 22 -
[ADC Plot : fs=44.1kHz]
A K M
A K 45 84 A D C THD +N vs. Inp ut Level
V D D =5.0V , fs=44 .1kHz, fin=1kHz
la s t.at2c
C olor
Lin e Style
Th ick
D ata
Axis
Blue
So lid
3
D SP Anlr.TH D +N Am pl A
L eft
-110
-80
-108
-106
-104
-102
-100
-98
-96
-94
-92
-90
-88
-86
-84
-82
d
B
F
S
-120
-10
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
dB r
Figure 1. THD+N vs. Input Level
A K M
A K 4584 A D C THD +N vs. Input Freq uency
V D D =5.0V , fs=44.1kHz, Input=-0 .5d B r
la s t.at2c
C olor
Lin e Style
Th ick
D ata
Axis
Blue
So lid
3
D SP Anlr.TH D +N Am pl A
L eft
-110
-80
-108
-106
-104
-102
-100
-98
-96
-94
-92
-90
-88
-86
-84
-82
d
B
F
S
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
Figure 2. THD+N vs. Input Frequency