ak4635ecb AKM Semiconductor, Inc., ak4635ecb Datasheet - Page 12

• Manufacturer Part Number: ak4635ecb
• Description: 16-bit Mono Codec With Alc & Mic/spk/video-amp
• Manufacturer: AKM Semiconductor, Inc.

(Ta = 30 ~ 85 C; AVDD = 2.8
Parameter
PLL Master Mode (PLL Reference Clock = MCKI pin)
MCKI Input: Frequency
MCKO Output:
FCK Output: Frequency
BICK: Period (BCKO1-0 = “00”)
Audio Interface Timing
Rev. 0.6
Frequency
Duty Cycle except fs=29.4kHz, 32kHz
Pulse width High
Duty Cycle
DSP Mode:
Except DSP Mode:
(DIF1-0 bits = “00” and FCKO bit = “1”)
(DIF1-0 bits = “00” or FCKO bit = “0”)
SDTI Hold Time
SDTI Setup Time
BICK “ ” to FCK Edge
FCK to SDTO (MSB)
BICK “ ” to SDTO
FCK “ ” to BICK “ ”
FCK “ ” to BICK “ ”
BICK “ ” to SDTO (BCKP = “0”)
BICK “ ” to SDTO (BCKP = “1”)
SDTI Hold Time
SDTI Setup Time
Duty Cycle
fs =29.4kHz, 32kHz
Pulse Width Low
Pulse Width High
(BCKO1-0 = “01”)
(BCKO1-0 = “10”)
(Figure
(Except I
(Figure
7,
Figure
(Note
(Note
2
S mode)
(Note
9)
8)
3.6V, DVDD = 1.6
29)
30)
28)
SWITING CHARACTERISTICS
Symbol
tCLKH
tFCKH
tCLKL
tBFCK
dMCK
dMCK
fMCK
dFCK
dBCK
fCLK
tBCK
tBCK
tBCK
fFCK
tDBF
tDBF
tBSD
tBSD
tSDH
tBSD
tSDH
tSDS
tFSD
tSDS
3.6V, SVDD = 2.2
- 12 -
0.5 x tBCK 40
0.5 x tBCK 40
(Figure
0.4/fCLK
0.4/fCLK
11.2896
min
-70
-70
40
50
50
50
50
8
40
70
70
-
-
-
-
-
-
-
-
6)
4.0V; C
256 x fFCK
0.5 x tBCK
0.5 x tBCK
1/16fFCK
1/32fFCK
1/64fFCK
tBCK
typ
50
33
50
50
-
-
-
-
-
-
-
-
-
-
-
-
-
L
= 20pF)
0.5 x tBCK + 40
0.5 x tBCK +40
27.0
max
60
48
70
70
40
70
70
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4635]
2007/10
Units
MHz
kHz
kHz
ns
ns
%
%
ns
%
ns
ns
ns
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns