ASAHI KASEI
[AK4112A]
SWITCHING CHARACTERISTICS
(Ta=25°C; DVDD, AVDD2.7~3.6V, TVDD=2.7~5.5V; C
L
=20pF)
Parameter
Master Clock Timing
Crystal Resonator
External Clock
MCKO1 Output
MCKO2 output
Frequency
Frequency
Duty
Frequency
Duty
Frequency
Duty
fXTAL
fECLK
dECLK
fMCK1
dMCK1
fMCK2
dMCK2
fpll
fs
dLCK
11.2896
11.2896
40
5.632
40
2.816
40
22
22
45
50
50
50
-
48
24.576
24.576
60
27.648
60
27.648
60
108
108
55
MHz
MHz
%
MHz
%
MHz
%
kHz
kHz
%
Symbol
min
typ
max
Units
PLL Clock Recover Frequency (RX1-4)
LRCK Frequency
Duty Cycle
Audio Interface Timing
Slave Mode
BICK Period
BICK Pulse Width Low
Pulse Width High
LRCK Edge to BICK “”
(Note 6)
BICK “” to LRCK Edge
(Note 6)
LRCK to SDTO (MSB)
BICK “¯” to SDTO
DAUX Hold Time
DAUX Setup Time
Master Mode
BICK Frequency
BICK Duty
BICK “¯” to LRCK
BICK “¯” to SDTO
DAUX Hold Time
DAUX Setup Time
Control Interface Timing
CCLK Period
CCLK Pulse Width Low
Pulse Width High
CDTI Setup Time
CDTI Hold Time
CSN “H” Time
CSN “¯” to CCLK “”
CCLK "" to CSN “”
CDTO Delay
CSN “” to CDTO Hi-Z
tBCK
tBCKL
tBCKH
tLRB
tBLR
tLRM
tBSD
tDXH
tDXS
fBCK
dBCK
tMBLR
tBSD
tDXH
tDXS
tCCK
tCCKL
tCCKH
tCDS
tCDH
tCSW
tCSS
tCSH
tDCD
tCCZ
140
60
60
30
30
35
35
20
20
64fs
50
-20
20
20
200
80
80
50
50
150
50
50
45
70
20
40
ns
ns
ns
ns
ns
ns
ns
ns
ns
Hz
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Reset Timing
PDN Pulse Width
tPW
150
Note 6: BICK rising edge must not occur at the same time as LRCK edge.
MS0020-E-00
-7-
2000/3
AKM [ ASAHI KASEI MICROSYSTEMS ]
