AK4633 Datasheet, PDF (13/82 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
[AK4633]
SWITING CHARACTERISTICS
(Ta = 25°C; AVDD =2.2 ∼ 3.6V, DVDD =1.6 ∼ 3.6V, SVDD =2.2 ∼ 4.0V; C_L=20pF)
Parameter
Symbol
min
typ
PLL Master Mode (PLL Reference Clock = MCKI pin) (Figure 2)
MCKI Input: Frequency
fCLK
11.2896
-
Pulse Width Low
tCLKL
0.4/fCLK
-
Pulse Width High
tCLKH
0.4/fCLK
-
MCKO Output:
Frequency
fMCK
-
256 x fFCK
Duty Cycle except fs=29.4kHz,32kHz
dMCK
40
50
fs=29.4kHz, 32kHz (Note 21) dMCK
-
33
FCK Output: Frequency
fFCK
8
-
Pulse width High
(DIF1-0 bits = “00” and FCKO bit = “1”)
tFCKH
-
tBCK
Duty Cycle
(DIF1-0 bits ≠ “00” or FCKO bit = “0”)
dFCK
-
50
BICK: Period (BCKO1-0 = “00”)
(BCKO1-0 = “01”)
(BCKO1-0 = “10”)
tBCK
-
1/16fFCK
tBCK
-
1/32fFCK
tBCK
-
1/64fFCK
Duty Cycle
dBCK
-
50
Audio Interface Timing
DSP Mode: (Figure 3, Figure 4)
FCK “↑” to BICK “↑” (Note 22)
FCK “↑” to BICK “↓” (Note 23)
BICK “↑” to SDTO (BCKP = “0”)
BICK “↓” to SDTO (BCKP = “1”)
tDBF
tDBF
tBSD
tBSD
0.5 x tBCK -40
0.5 x tBCK -40
-70
-70
0.5 x tBCK
0.5 x tBCK
-
-
SDTI Hold Time
tSDH
50
-
SDTI Setup Time
tSDS
50
-
Except DSP Mode: (Figure 5)
BICK “↓” to FCK Edge
tBFCK
-40
-
FCK to SDTO (MSB)
tFSD
-70
-
(Except I²S mode)
BICK “↓” to SDTO
tBSD
-70
-
SDTI Hold Time
tSDH
50
-
SDTI Setup Time
tSDS
50
-
max
27.0
-
-
-
60
-
48
-
-
-
-
-
-
Units
MHz
ns
ns
kHz
%
%
kHz
ns
%
ns
ns
ns
%
0.5 x tBCK + 40 ns
0.5 x tBCK +40 ns
70
ns
70
ns
-
ns
-
ns
40
ns
70
ns
70
ns
-
ns
-
ns
MS0447-E-03
- 13 -
2006/04