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AK4367VN 参数 Datasheet PDF下载

AK4367VN图片预览
型号: AK4367VN
PDF下载: 下载PDF文件 查看货源
内容描述: 低功耗24位双声道DAC,具有HP - AMP和输出混音器 [Low Power 24-Bit 2ch DAC with HP-AMP & Output Mixer]
分类和应用: 转换器数模转换器
文件页数/大小: 38 页 / 439 K
品牌: AKM [ ASAHI KASEI MICROSYSTEMS ]
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ASAHI KASEI  
[AK4367]  
FILTER CHARACTERISTICS  
(Ta=25°C; VDD, HVDD=2.2 3.6V; fs=44.1kHz; De-emphasis = “OFF”)  
Parameter  
Symbol  
min  
typ  
max  
Units  
DAC Digital Filter: (Note 10)  
Passband  
(Note 11)  
(Note 11)  
PB  
0
-
24.1  
-
54  
-
-
20.0  
-
-
kHz  
kHz  
kHz  
dB  
dB  
1/fs  
µs  
0.05dB  
6.0dB  
22.05  
-
-
-
20.8  
0
Stopband  
SB  
PR  
SA  
GD  
GD  
Passband Ripple  
Stopband Attenuation  
Group Delay  
±0.02  
-
-
-
(Note 12)  
Group Delay Distortion  
-
DAC Digital Filter + Analog Filter: (Note 10) (Note 13)  
Frequency Response  
Analog Filter: (Note 14)  
Frequency Response  
FR  
FR  
FR  
-
-
-
-
dB  
dB  
0 20.0kHz  
±0.5  
±1.0  
0 20.0kHz  
BOOST Filter:  
Frequency Response  
(Note 13) (Note 15)  
20Hz  
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
5.76  
2.92  
0.02  
10.80  
6.84  
0.13  
16.06  
10.54  
0.37  
MIN  
100Hz  
1kHz  
20Hz  
100Hz  
1kHz  
20Hz  
FR  
FR  
MID  
MAX 100Hz  
1kHz  
Note 10. BOOST OFF (BST1-0 bit = “00”)  
Note 11. The passband and stopband frequencies scale with fs.  
For example, PB=0.4535*fs(@±0.05dB), SB=0.546*fs(@54dB).  
Note 12. This is the calculated delay time caused by digital filtering. This time is measured from the setting of the 24bit  
data of both channels to the input registers to the output of the analog signal.  
Note 13. DAC Æ HPL, HPR, MOUT  
Note 14. MIN Æ HPL/HPR/MOUT, LIN Æ HPL/MOUT, RIN Æ HPR/MOUT  
Note 15. These frequency responses scale with fs. If high-level signal is input, the AK4367 clips at low frequency.  
Boost Filter (fs=44.1kHz)  
20  
MAX  
15  
MID  
10  
MIN  
5
0
-5  
10  
100  
1000  
10000  
Frequency [Hz]  
Figure 2. Boost Frequency (fs=44.1kHz)  
MS0247-E-02  
2005/10  
- 8 -  
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