參數(shù)資料
型號: AK4524VF
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 24BIT 96KHZ AUDIO CODEC
中文描述: 24位96kHz的音頻編解碼器
文件頁數(shù): 8/31頁
文件大?。?/td> 320K
代理商: AK4524VF
ASAHI KASEI
[AK4524]
M0050-E-01
1999/5
- 8 -
DIGITAL CHARACTERISTICS
(Ta=25
°
C; VA, VD=4.75
~
5.25V; VT=2.7
~
5.25V)
Parameter
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage (Iout=-100uA) (Note 10)
Low-Level Output Voltage (Iout=100uA)
Input Leakage Current
Symbol
VIH
VIL
VOH
VOL
Iin
min
2.2
-
typ
-
-
-
-
-
Max
-
0.8
-
0.5
±
10
Units
V
V
V
V
uA
2.7 / VT-0.5
-
-
Note: 10. Min value is lower voltage of 2.7V or VT-0.4V.
SWITCHING CHARACTERISTICS
(Ta=25
°
C; VA, VD=4.75
~
5.25V, VT=2.7
~
5.25V; C
L
=20pF)
Parameter
Master Clock Timing
Crystal Resonator
Frequency
External Clock
Frequency
Pulse Width Low
Pulse Width High
CLK O Output
(X’tal mode)
Duty Cycle
LRCK Frequency
Normal Speed Mode (DFS0=”0”, DFS1=”0”)
Double Speed Mode (DFS0=”1”, DFS1=”0”)
Quad Speed Mode (DFS0=”0”, DFS1=”1”)
Duty Cycle
Slave mode
Master mode
Audio Interface Timing
Slave mode
BICK Period
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
2
S mode)
BICK “
ˉ
” to SDTO
SDTI Hold Time
SDTI Setup Time
Master mode
BICK Frequency
BICK Duty
BICK “
ˉ
” to LRCK
BICK “
ˉ
” to SDTO
SDTI Hold Time
SDTI Setup Time
Symbol
min
typ
max
Units
11.2896
8.192
0.4/fCLK
0.4/fCLK
11.2896
35
24.576
49.152
MHz
MHz
ns
ns
MHz
%
fCLK
tCLKL
tCLKH
fMCK
dMCK
Frequency
24.576
65
fsn
fsd
fsq
32
64
128
45
48
96
192
55
kHz
kHz
kHz
%
%
50
tBCK
tBCKL
tBCKH
tLRB
tBLR
tLRS
tBSD
tSDH
tSDS
81
33
33
20
20
20
20
40
40
ns
ns
ns
ns
ns
ns
ns
ns
ns
fBCK
dBCK
tMBLR
tBSD
tSDH
tSDS
-20
-20
20
20
64fs
50
20
20
Hz
%
ns
ns
ns
ns
Note 11. BICK rising edge must not occur at the same time as LRCK edge.
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