CONFIDENTIAL
[AK4753]
SWITCHING CHARACTERISTICS
(Ta=-30 ~ 85°C, AVDD= DVDD= 3.0V ~ 3.6V, CL=20pF; unless otherwise specified)
Parameter
Symbol
min
typ
max
Units
Crystal Resonator
Frequency
fXTAL
11.2896
-
12.288
MHz
PLL Master Mode (PLL Reference Clock = XTI/MCKI pin)
MCKI Input Timing
Frequency
Pulse Width Low
Pulse Width High
AC Pulse Width
fCLK
tCLKL
tCLKH
tACW
11.2896
0.4/fCLK
0.4/fCLK
18.5
-
-
-
-
24.576
MHz
ns
ns
-
-
-
ns
LRCK Output Timing
Frequency
DSP Mode: Pulse Width High
Except DSP Mode: Duty Cycle
BICK Output Timing
fs
7.35
-
-
-
48
-
-
kHz
ns
%
tLRCKH
Duty
tBCK
50
Period
BCKO bit = “0”
BCKO bit = “1”
tBCK
tBCK
dBCK
-
-
-
1/(32fs)
1/(64fs)
50
-
-
-
ns
ns
%
Duty Cycle
PLL Slave Mode (PLL Reference Clock = LRCK pin)
LRCK Input Timing
Frequency
fs
7.35
tBCK−60
45
-
-
-
48
1/fs − tBCK
55
kHz
ns
%
DSP Mode: Pulse Width High
Except DSP Mode: Duty Cycle
BICK Input Timing
Period
tLRCKH
Duty
tBCK
tBCKL
tBCKH
1/(64fs)
130
130
-
-
-
1/(32fs)
ns
ns
ns
Pulse Width Low
Pulse Width High
-
-
PLL Slave Mode (PLL Reference Clock = BICK pin)
LRCK Input Timing
Frequency
fs
7.35
tBCK−60
45
-
-
-
48
1/fs − tBCK
55
kHz
ns
%
DSP Mode: Pulse Width High
Except DSP Mode: Duty Cycle
BICK Input Timing
tLRCKH
Duty
Period
PLL3-0 bits = “0010”
PLL3-0 bits = “0011”
tBCK
tBCK
tBCKL
tBCKH
-
-
1/(32fs)
1/(64fs)
-
-
-
-
ns
ns
ns
ns
Pulse Width Low
Pulse Width High
0.4 x tBCK
0.4 x tBCK
-
-
MS1311-E-00
2011/07
- 10 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
