参数资料
型号: AK4584
厂商: Asahi Kasei Microsystems Co.,Ltd
元件分类: Codec
英文描述: 24BIT 96KHZ AUDIO CODEC WITH DIT/DIR
中文描述: 24位96kHz的音频编解码器动态网/迪尔
文件页数: 4/53页
文件大小: 316K
代理商: AK4584
ASAHI KASEI
[AK4584]
MS0118-J-01
2001/11
- 12 -
XCb`“O“
(Ta=
10 70°C; AVDD, DVDD, PVDD=4.75 5.25V, TVDD=2.7 5.25V; C
L=20pF)
Parameter
Symbol
min
typ
max
Units
Master Clock Timing
Crystal Resonator
Frequency
11.2896
24.576
MHz
External Clock
Frequency
Pulse Width Low
Pulse Width High
fCLK
tCLKL
tCLKH
11.2896
0.4/fCLK
36.864
MHz
ns
MCKO1 Output
Frequency
Duty Cycle (Note 15)
fMCK
dMCK
11.2896
40
50
24.576
60
MHz
%
MCKO2 Output
Frequency
Duty Cycle
fMCK
dMCK
5.6448
40
50
18.432
60
MHz
%
PLL Clock Recover Frequency
fPLL
32
192
kHz
LRCK Frequency
Normal Speed Mode (DFS0=“0”, DFS1=“0”)
Double Speed Mode (DFS0=“1”, DFS1=“0”)
Quad Speed Mode
(DFS0=“0”, DFS1=“1”)
fsn
fsd
fsq
32
88.2
176.4
48
96
192
kHz
Duty Cycle
Slave mode
Master mode
45
50
55
%
Audio Interface Timing
Slave mode
BICK Period
BICK Pulse Width Low
Pulse Width High
LRCK Edge to BICK “
↑”
(Note 16)
BICK “
↑” to LRCK Edge
(Note 16)
LRCK to SDTO (MSB) (Except I
2S mode)
BICK “
↓” to SDTO
SDTI Hold Time
SDTI Setup Time
tBCK
tBCKL
tBCKH
tLRB
tBLR
tLRS
tBSD
tSDH
tSDS
81
33
20
ns
Master mode
BICK Frequency
BICK Duty
BICK “
↓” to LRCK
BICK “
↓” to SDTO
SDTI Hold Time
SDTI Setup Time
fBCK
dBCK
tMBLR
tBSD
tSDH
tSDS
20
64fs
50
20
Hz
%
ns
Note: 15. O”NbN“ü—êA
DutyB
Note: 16. ±Ki’l
LRCKGbW
BICK “
↑”d¤K’èB
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