asahi kasei [AKD5381]
<km069200> 2002/06
- 9 -
AKM ak5381 crosstalk
VA=VD=5.0v, fs=48khz, 输入=-1dbr
-150
-80
-145
-140
-135
-130
-125
-120
-115
-110
-105
-100
-95
-90
-85
d
B
20 20k50 100 200 500 1k 2k 5k 10k
Hz
图示 5. 串扰
AKM ak5381 fft plot
va=vd=5.0v,fs=48khz, 输入=-1dbr, fin=1khz
20 20k50 100 200 500 1k 2k 5k 10k
Hz
-180
+0
-170
-160
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
图示 6. fft plot