[AK4612]
スイッチング特性
(Ta= Tmin ∼ Tmax; AVDD1=AVDD2=3.0∼3.6; DVDD=1.6∼2.0V; TVDD1=1.6∼3.6V, TVDD2=1.6∼3.6V; CL=20pF;
unless otherwise specified)
Parameter
Symbol
min
typ
max
Units
Master Clock Timing
Crystal Resonator
Frequency
fXTAL
11.2896
24.576
MHz
MCKO Output
Frequency (TVDD1 ≥ 3.0V)
fMCK
dMCK
5.6448
40
24.576
60
MHz
%
Duty cycle
External Clock
256fsn:
50
fCLK
8.192
32
32
12.288
22
22
16.384
16
16
12.288
18.432
24.576
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
Pulse Width Low
Pulse Width High
384fsn:
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
Pulse Width Low
Pulse Width High
512fsn, 256fsd, 128fsq:
Pulse Width Low
Pulse Width High
MCKO Output
tCLKL
tCLKH
Frequency
fMCK
fMCK
dMCK
4.096
12.288
40
12.288
24.576
60
MHz
MHz
%
(TVDD1 ≥ 3.0V)
Duty cycle
(Note 16)
50
LRCK Timing (Slave mode)
Stereo mode
(TDM0 bit = “0”, TDM1 bit = “0”)
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
fsn
fsd
fsq
Duty
32
64
128
45
48
96
192
55
kHz
kHz
kHz
%
Duty Cycle
TDM512 mode
(Note 17)
(TDM0 bit = “0”, TDM1 bit = “1”)
LRCK frequency
“H” time
fsn
tLRH
tLRL
32
1/512fs
1/512fs
48
96
kHz
ns
ns
“L” time
TDM256 mode
(TDM0 bit = “1”, TDM1 bit = “0”)
LRCK frequency
“H” time
(Note 18)
fsd
tLRH
tLRL
64
1/256fs
1/256fs
kHz
ns
ns
“L” time
TDM128 mode
(TDM0 bit = “1”, TDM1 bit = “1”)
LRCK frequency
“H” time
(Note 19)
fsq
tLRH
tLRL
128
1/128fs
1/128fs
192
kHz
ns
ns
“L” time
MS1039-J-01
2009/06
- 15 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
