AKD4648-C Datasheet, PDF (59/71 Pages) Asahi Kasei Microsystems – stereo CODEC with MIC/HP/SPK amplifier

[AKD4648-C]
+0
-10
-20
-30
-40
-50
d
-60
B
r
-70
A
-80
-90
-100
-110
-120
-130
-140
20
AK4648 DAC =>SPK (High power)
FFT, fs=44.1kHz, No Signal
50
100
200
500
1k
2k
Hz
Figure 72. FFT Plot (No signal)
5k
10k
20k
+0
-10
-20
-30
-40
-50
d
-60
B
-70
-80
-90
-100
-110
-120
-60
AK4648 DAC =>SPK (High power) Level (W) vs Amplitude Green
THD + N vs Amplitude Red
1.2
1.1
1
.9
800m
700m
600m W
500m
400m
300m
200m
100m
0
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
+0
dBFS
Figure 73. THD+N & Output Power vs. Input Level (SPKG=+12.65dB)
<KM088701>
- 59 -
2007/04