參數(shù)資料
型號: AK4628A
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: High Performance Multi-channel Audio CODEC
中文描述: 高性能多通道音頻解碼器
文件頁數(shù): 11/41頁
文件大?。?/td> 557K
代理商: AK4628A
ASAHI KASEI
[AK4628A]
MS0385-E-00
2005/02
- 11 -
SWITCHING CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD=4.5
5.5V; TVDD=2.7
5.5V; C
L
=20pF)
Parameter
Master Clock Timing
256fsn, 128fsd:
Pulse Width Low
Pulse Width High
384fsn, 192fsd:
Pulse Width Low
Pulse Width High
512fsn, 256fsd:
Pulse Width Low
Pulse Width High
LRCK Timing
Normal mode (TDM0= “0”, TDM1= “0”)
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
Duty Cycle
TDM256 mode (TDM0= “1”, TDM1= “0”)
LRCK frequency
“H” time
“L” time
TDM128 mode (TDM0= “1”, TDM1= “1”)
LRCK frequency
“H” time
“L” time
Audio Interface Timing
Normal mode (TDM0= “0”, TDM1= “0”)
BICK Period
BICK Pulse Width Low
Pulse Width High
LRCK Edge to BICK “
” (Note 18)
BICK “
” to LRCK Edge (Note 18)
LRCK to SDTO(MSB)
BICK “
” to SDTO
SDTI1-4,DAUX Hold Time
SDTI1-4,DAUX Setup Time
TDM256 mode (TDM0= “1”, TDM1= “0”)
BICK Period
BICK Pulse Width Low
Pulse Width High
LRCK Edge to BICK “
” (Note 18)
BICK “
” to LRCK Edge (Note 18)
BICK “
” to SDTO
SDTI1 Hold Time
SDTI1 Setup Time
TDM128 mode (TDM0= “1”, TDM1= “1”)
BICK Period
BICK Pulse Width Low
Pulse Width High
LRCK Edge to BICK “
” (Note 18)
BICK “
” to LRCK Edge (Note 18)
BICK “
” to SDTO
SDTI1-2 Hold Time
SDTI1-2 Setup Time
Symbol
min
8.192
27
27
12.288
20
20
16.384
15
15
32
64
120
45
32
1/256fs
1/256fs
64
1/128fs
1/128fs
81
32
32
20
20
20
20
81
32
32
20
20
10
10
81
32
32
20
20
10
10
typ
max
12.288
18.432
24.576
Units
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
kHz
kHz
kHz
%
kHz
ns
ns
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fsn
fsd
fsq
Duty
fsn
tLRH
tLRL
fsn
tLRH
tLRL
tBCK
tBCKL
tBCKH
tLRB
tBLR
tLRS
tBSD
tSDH
tSDS
tBCK
tBCKL
tBCKH
tLRB
tBLR
tBSD
tSDH
tSDS
tBCK
tBCKL
tBCKH
tLRB
tBLR
tBSD
tSDH
tSDS
48
96
192
55
48
96
40
40
20
20
Notes: 18. BICK rising edge must not occur at the same time as LRCK edge.
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