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參數(shù)資料
| 型號： | AK4386 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 100DB 96KHZ 24 BIT 2CH |
| 中文描述： | 100dB的96kHz的24位二通 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 129K |
| 代理商： | AK4386 |
ASAHI KASEI
[AK4386]
MS0280-E-00
2003/12
- 7 -
SWITCHING CHARACTERISTICS
(Ta=25
°
C; VDD=2.2
～
3.6V)
Parameter
Master Clock Frequency
Half Speed Mode (512/768/1024/1536fs)
Normal Speed Mode (256/384/512/768fs)
Double Speed Mode (128/192/256/384fs)
Duty Cycle
LRCK Frequency
Half Speed Mode (DFS1-0 = “10”)
Normal Speed Mode (DFS1-0 = “00”)
Double Speed Mode (DFS1-0 = “01”)
Duty Cycle
Audio Interface Timing
BICK Period
Half Speed Mode
Normal Speed Mode
Double Speed Mode
BICK Pulse Width Low
Pulse Width High
BICK “
↑
” to LRCK Edge (Note 8)
LRCK Edge to BICK “
↑
” (Note 8)
SDTI Hold Time
SDTI Setup Time
Power-Down & Reset Timing
PDN Pulse Width (Note 9)
Note 8. BICK rising edge must not occur at the same time as LRCK edge.
Note 9. The AK4386 can be reset by bringing PDN pin = “L”.
The PDN pulse width is proportional to the value of the capacitor (C) connected to VCOM pin. tPD = 4
×
C.
When C = 4.7
μ
F, tPD is 19ms(min).
The value of the capacitor (C) connected with VCOM pin should be 1
μ
F
≤
C
≤
10
μ
F.
When the states of DIF1-0 pins change, the AK4386 should be reset by PDN pin.
Symbol
fCLK
fCLK
fCLK
dCLK
fsh
fsn
fsd
dCLK
tBCK
tBCK
tBCK
tBCKL
tBCKH
tBLR
tLRB
tSDH
tSDS
tPD
min
4.096
2.048
6.144
40
8
8
48
45
1/128fs
1/128fs
1/64fs
70
70
40
40
40
40
4
×
C
typ
max
36.864
36.864
36.864
60
24
48
96
55
Units
MHz
MHz
MHz
%
kHz
kHz
kHz
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
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