參數(shù)資料
型號: AK4588
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 2/8 CHANNEL AUDIO CODEC WITH DIR
中文描述: 2 / 8聲道音頻編解碼器迪爾
文件頁數(shù): 14/76頁
文件大小: 787K
代理商: AK4588
ASAHI KASEI
[AK4588]
MS0287-E-01
2004/03
- 14 -
SWITCHING CHARACTERISTICS (ADC/DAC part)
(Ta=25
°
C; AVDD, DVDD, PVDD=4.5
5.5V; TVDD=2.7
5.5V; C
L
=20pF)
Parameter
Master Clock Timing
Master Clock
256fsn, 128fsd:
Pulse Width Low
Pulse Width High
384fsn, 192fsd:
Pulse Width Low
Pulse Width High
512fsn, 256fsd:
Pulse Width Low
Pulse Width High
LRCK1 Timing (Slave Mode)
Normal mode
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
Duty Cycle
TDM 256 mode
LRCK1 frequency
“H” time
“L” time
TDM 128 mode
LRCK1 frequency
“H” time
“L” time
LRCK1 Timing (Master Mode)
Normal mode
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
Duty Cycle
TDM 256 mode
LRCK1 frequency
“H” time (Note 15)
TDM 128 mode
LRCK1 frequency
“H” time (Note 15)
Power-down & Reset Timing
PDN Pulse Width (Note 16)
PDN “
” to SDTO1 valid (Note 17)
Notes:
15. “L” time at I
2
S format.
16. The AK4588 can be reset by bringing PDN “L” to “H” upon power-up.
17. These cycles are the number of LRCK rising from PDN rising.
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
32
64
120
32
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
kHz
kHz
kHz
%
kHz
ns
kHz
ns
ns
1/fs
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fsn
fsd
fsq
Duty
48
96
192
55
48
fsd
tLRH
tLRL
fsd
tLRH
tLRL
96
fsn
fsd
fsq
Duty
50
1/8fs
1/4fs
522
48
96
192
48
fsn
tLRH
fsd
tLRH
64
150
96
tPD
tPDV
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