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AK5385B 参数 Datasheet PDF下载

AK5385B图片预览
型号: AK5385B
PDF下载: 下载PDF文件 查看货源
内容描述: 24位192kHz的ΔΣ ADC [24Bit 192kHz ΔΣ ADC]
分类和应用:
文件页数/大小: 24 页 / 185 K
品牌: AKM [ ASAHI KASEI MICROSYSTEMS ]
 浏览型号AK5385B的Datasheet PDF文件第7页浏览型号AK5385B的Datasheet PDF文件第8页浏览型号AK5385B的Datasheet PDF文件第9页浏览型号AK5385B的Datasheet PDF文件第10页浏览型号AK5385B的Datasheet PDF文件第12页浏览型号AK5385B的Datasheet PDF文件第13页浏览型号AK5385B的Datasheet PDF文件第14页浏览型号AK5385B的Datasheet PDF文件第15页  
ASAHI KASEI  
[AK5385B]  
SWITCHING CHARACTERISTICS  
(Ta=25°C; AVDD=4.75 5.25V; DVDD=3.0 5.25V; CL=20pF)  
Parameter  
Symbol  
min  
typ  
max  
Units  
Master Clock Timing  
Frequency  
fCLK  
tCLKL  
tCLKH  
2.048  
14.5  
14.5  
27.648  
MHz  
ns  
Pulse Width Low  
Pulse Width High  
ns  
LRCK Frequency  
Normal Speed Mode  
Double Speed Mode  
Quad Speed Mode  
Duty Cycle  
fsn  
fsd  
fsq  
8
54  
108  
216  
55  
kHz  
kHz  
kHz  
%
54  
108  
45  
Slave mode  
Master mode  
50  
%
Audio Interface Timing  
Slave mode  
BICK Period  
Normal Speed Mode  
tBCK  
tBCK  
tBCK  
tBCKL  
tBCKH  
tLRB  
1/128fsn  
1/64fsd  
1/64fsq  
33  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
Double Speed Mode  
Quad Speed Mode  
BICK Pulse Width Low  
Pulse Width High  
33  
LRCK Edge to BICK “”  
BICK “” to LRCK Edge  
(Note 11)  
(Note 11)  
20  
tBLR  
20  
LRCK to SDTO (MSB) (Except I2S mode)  
BICK “” to SDTO  
Master mode  
tLRS  
20  
20  
tBSD  
BICK Frequency  
fBCK  
dBCK  
tMBLR  
tBSD  
64fs  
50  
Hz  
%
BICK Duty  
BICK “” to LRCK  
BICK “” to SDTO  
20  
20  
20  
20  
ns  
ns  
Reset Timing  
PDN Pulse Width  
PDN “” to SDTO valid  
tPD  
(Note 12)  
(Note 13)  
150  
ns  
tPDV  
516  
1/fs  
Note 11. BICK rising edge must not occur at the same time as LRCK edge.  
Note 12. The AK5385B can be reset by bringing the PDN pin = “L”.  
Note 13. This cycle is the number of LRCK rising edges from the PDN pin = “H”. This value is in master mode  
This value is longer 1/fs in slave mode than master mode.  
MS0406-E-00  
2005/08  
- 11 -  
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