参数资料
型号: AKD4640
厂商: Asahi Kasei Microsystems Co.,Ltd
英文描述: AKD4640 EVALUATION BOARD
中文描述: AKD4640评价委员会
文件页数: 8/29页
文件大小: 266K
代理商: AKD4640
ASAHI KASEI
[AKD4640]
<KM072300>
2003/07
- 16 -
2-2. DAC (DAC à HPL/HPR) PLOT DATA
AKM
AK4640 HP THD+N vs. Input Level (DAC -> HP)
VDD=3.3V, fs=44.1kHz, fin=1kHz
ADDA.at2c
Color
Sweep
Trace
Line Style
Thick
Data
Axis
Comment
1
Red
Solid
3
Anlr.THD+N Ampl
Left
1
2
Blue
Solid
3
Anlr.THD+N Ampl
Left
-120
+0
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
dBFS
-100
-60
-95
-90
-85
-80
-75
-70
-65
d
B
r
A
Figure 16. THD+N vs. Input Level
AKM
AK4640 HP THD+N vs. Input Frequency (DAC -> HP)
VDD=3.3V, fs=44.1kHz, Input=-3dBFS
ADDA.at2c
Color
Sweep
Trace
Line Style
Thick
Data
Axis
Comment
1
Red
Solid
3
Anlr.THD+N Ampl
Left
1
2
Blue
Solid
3
Anlr.THD+N Ampl
Left
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
-100
-50
-95
-90
-85
-80
-75
-70
-65
-60
-55
d
B
r
A
Figure 17. THD+N vs. Input Frequency
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