參數(shù)資料
型號: AK5385A
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: ADC
英文描述: 24BIT 192KHZ ADC
中文描述: 24位192kHz的模數(shù)轉(zhuǎn)換器
文件頁數(shù): 3/24頁
文件大?。?/td> 175K
代理商: AK5385A
ASAHI KASEI
[AK5385A]
MS0265-J-01
2003/11
- 11 -
XCb`“O“
(Ta=25
°C; AVDD=4.75 5.25V; DVDD=3.0 5.25V; C
L=20pF)
Parameter
Symbol
min
typ
max
Units
Master Clock Timing
Frequency
Pulse Width Low
Pulse Width High
fCLK
tCLKL
tCLKH
2.048
14.5
27.648
MHz
ns
LRCK Frequency
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
fsn
fsd
fsq
8
54
108
54
108
216
kHz
Duty Cycle
Slave mode
Master mode
45
50
55
%
Audio Interface Timing
Slave mode
BICK Period
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
BICK Pulse Width Low
Pulse Width High
LRCK Edge to BICK “
↑”
(Note 11)
BICK “
↑” to LRCK Edge
(Note 11)
LRCK to SDTO (MSB)
(Except I
2S mode)
BICK “
↓” to SDTO
tBCK
tBCKL
tBCKH
tLRB
tBLR
tLRS
tBSD
1/128fsn
1/64fsd
1/64fsq
33
20
ns
Master mode
BICK Frequency
BICK Duty
BICK “
↓” to LRCK
BICK “
↓” to SDTO
fBCK
dBCK
tMBLR
tBSD
20
64fs
50
20
Hz
%
ns
Reset Timing
PDN Pulse Width
(Note 12)
PDN “
↑” to SDTO valid
(Note 13)
tPD
tPDV
150
516
ns
1/fs
Note 11. ±Ki’l
LRCKGbW
BICK “
↑”d¤K’èB
Note 12. AK5385A PDN pin = “L”ZbgêB
Note 13. PDN pin—§° LRCKNbN“
↑”‰”BKi’l}X^[h’lB
X[u[h1LRCKNbN
(1/fs)’-èB
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