[AK4675]
MS0963-E-00
2008/05
- 27 -
Parameter Symbol
min
typ
max
Units
PLL Slave Mode (PLL Reference Clock = LRCK pin)
LRCK Input Timing
Frequency
fs
8
-
48
kHz
DSP Mode: Pulse Width High
tLRCKH
tBCK
−
60 -
1/fs
−
tBCK
ns
Except DSP Mode: Duty Cycle
Duty
45
-
55
%
BICK Input Timing
Period
tBCK
1/(64fs)
-
1/(32fs)
ns
Pulse Width Low
tBCKL
130
-
-
ns
Pulse Width High
tBCKH
130
-
-
ns
PLL Slave Mode (PLL Reference Clock = BICK pin)
LRCK Input Timing
Frequency
fs
8
-
48
kHz
DSP Mode: Pulse Width High
tLRCKH
tBCK
−
60 -
1/fs
−
tBCK
ns
Except DSP Mode: Duty Cycle
Duty
45
-
55
%
BICK Input Timing
Period
PLL3-0 bits = “0010”
tBCK
-
1/(32fs)
-
ns
PLL3-0 bits = “0011”
tBCK
-
1/(64fs)
-
ns
Pulse Width Low
tBCKL
0.4 x tBCK
-
-
ns
Pulse Width High
tBCKH
0.4 x tBCK
-
-
ns
External Slave Mode
MCKI Input Timing
Frequency 256fs
fCLK
2.048
-
12.288
MHz
384fs
fCLK
3.072
-
18.432
MHz
512fs
fCLK
4.096
-
13.312
MHz
768fs
fCLK
6.144
-
19.968
MHz
1024fs
fCLK
8.192
-
13.312
MHz
Pulse Width Low
tCLKL
0.4/fCLK
-
-
ns
Pulse Width High
tCLKH
0.4/fCLK
-
-
ns
LRCK Input Timing
Frequency 256fs/384fs
fs
8
-
48
kHz
512fs/768fs
fs
8
-
26
kHz
1024fs
fs
8
-
13
kHz
DSP Mode: Pulse Width High
tLRCKH
tBCK
−
60 -
1/fs
−
tBCK
ns
Except DSP Mode: Duty Cycle
Duty
45
-
55
%
BICK Input Timing
Period
tBCK
312.5
-
-
ns
Pulse Width Low
tBCKL
130
-
-
ns
Pulse Width High
tBCKH
130
-
-
ns
External Master Mode
MCKI Input Timing
Frequency 256fs
fCLK
2.048
-
12.288
MHz
384fs
fCLK
3.072
-
18.432
MHz
512fs
fCLK
4.096
-
13.312
MHz
768fs
fCLK
6.144
-
19.968
MHz
1024fs
fCLK
8.192
-
13.312
MHz
Pulse Width Low
tCLKL
0.4/fCLK
-
-
ns
Pulse Width High
tCLKH
0.4/fCLK
-
-
ns
LRCK Output Timing
Frequency
fs
8
-
48
kHz
DSP Mode: Pulse Width High
tLRCKH
-
tBCK
-
ns
Except DSP Mode: Duty Cycle
Duty
-
50
-
%
BICK Output Timing
Period
BCKO bit = “0”
tBCK
-
1/(32fs)
-
ns
BCKO bit = “1”
tBCK
-
1/(64fs)
-
ns
Duty
Cycle
dBCK
-
50
-
%