參數(shù)資料
型號(hào): AK4632
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16-Bit ツヒ Mono CODEC with ALC & MIC/SPK/Video-AMP
中文描述: 16位ツヒALC的單聲道編解碼器
文件頁(yè)數(shù): 11/70頁(yè)
文件大小: 639K
代理商: AK4632
ASAHI KASEI
[AK4632]
MS0396-E-00
2005/06
- 11 -
SWITING CHARACTERISTICS
(Ta = 25
°
C; AVDD, DVDD = 2.6
3.6V; SVDD =2.6
5.25V ; VVDD =2.8
5.25V; C
L
=20pF)
Parameter
Symbol
PLL Master Mode (PLL Reference Clock = MCKI pin) (Figure 3)
MCKI Input: Frequency
Pulse Width Low
Pulse Width High
tCLKH
MCKO Output:
Frequency
Duty Cycle except fs=29.4kHz, 32kHz
fs=29.4kHz, 32kHz (Note 30)
dMCK
FCK Output: Frequency
Duty Cycle
dFCK
BICK: Period (BCKO1-0 =
00
)
(BCKO1-0 =
01
)
(BCKO1-0 =
10
)
Duty Cycle
dBCK
Audio Interface Timing
DSP Mode: (Figure 4, Figure 5)
FCK
to BICK
(Note 31)
FCK
to BICK
(Note 32)
BICK
to SDTO (BCKP =
0
)
BICK
to SDTO (BCKP =
1
)
SDTI Hold Time
SDTI Setup Time
tSDS
Except DSP Mode: (Figure 6)
BICK
to FCK Edge
FCK to SDTO (MSB)
(Except I
2
S mode)
BICK
to SDTO
SDTI Hold Time
SDTI Setup Time
tSDS
min
typ
max
Units
fCLK
tCLKL
11.2896
0.4/fCLK
0.4/fCLK
-
40
-
8
-
-
-
-
-
0.5 x tBCK -40
0.5 x tBCK -40
-70
-70
50
50
-40
-70
-70
50
50
-
-
-
27.0
-
-
-
60
-
48
-
-
-
-
-
MHz
ns
ns
fMCK
dMCK
256 x fFCK
50
33
-
50
1/16fFCK
1/32fFCK
1/64fFCK
50
kHz
%
%
kHz
%
ns
ns
ns
%
fFCK
tBCK
tBCK
tBCK
tDBF
tDBF
tBSD
tBSD
tSDH
0.5 x tBCK
0.5 x tBCK
-
-
-
-
-
-
-
-
-
0.5 x tBCK + 40
0.5 x tBCK +40
70
70
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
tBFCK
tFSD
tBSD
tSDH
40
70
70
-
-
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