AKD5385B Datasheet, PDF (16/27 Pages) Asahi Kasei Microsystems – AK5385B Evaluation Board Rev.0

ASAHI KASEI
[AKD5385B-A]
[ADC Plot : fs=192kHz]
AK5385B THD+N vs Input Level, fs=192KHz, fin=1LKHz, AVDD=5V, DVDD=3.3V, Red=Lch, Blue=Rch
-90
-92
-94
-96
-98
-100
-102
d
-104
B
F
S
-106
-108
-110
-112
-114
-116
-118
-120
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBr
Figure 17. THD+N vs. Input Level
AK5385B THD+N vs Input Frequency, fs=192KHz, Input Level=-1dBr, AVDD=5V, DVDD=3.3V, Red=Lch, Blue=Rch
-90
-92
-94
-96
-98
-100
-102
d
-104
B
F
S
-106
-108
-110
-112
-114
-116
-118
-120
20
50
100
200
500
1k
2k
Hz
5k
10k
20k
50k 80k
Figure 18. THD+N vs. Input Frequency (BW=40kHz)
<KM080500>
- 16 -
2005/09