AKD4368 Datasheet, PDF (18/39 Pages) Asahi Kasei Microsystems – Evaluation board Rev.1 for AK4368

ASAHI KASEI
[AKD4368-A]
[Plot of Headphone Amp]
AKM
AK4368 HP-AMP THD+N vs. Input Level (fs= 44.1kHz, fin= 1kHz)
-20
-25
-30
-35
-40
-45
-50
d
-55
B
r
-60
A
-65
-70
-75
-80
-85
-90
-95
-100
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBFS
Figure 14. THD+N vs. Input Level
AKM
-20
-25
-30
-35
-40
-45
-50
d
-55
B
r
-60
A
-65
-70
-75
-80
-85
-90
-95
-100
20
AK4368 HP-AMP THD+N vs. Input Frequency (fs= 44.1kHz, fin= 1kHz)
50
100
200
500
1k
2k
Hz
Figure 15. THD+N vs. Input Frequency
5k
10k
20k
<KM077800>
- 18 -
2005/02