ASAHI KASEI
[AK4114]
SWITCHING CHARACTERISTICS
(Ta=25°C; DVDD, AVDD2.7~3.6V, TVDD=2.7~5.5V; C
L
=20pF)
Parameter
Symbol
min
Master Clock Timing
Crystal Resonator
Frequency
fXTAL
11.2896
External Clock
Frequency
fECLK
11.2896
Duty
dECLK
40
MCKO1 Output
Frequency
fMCK1
4.096
Duty
dMCK1
40
MCKO2 Output
Frequency
fMCK2
2.048
Duty
dMCK2
40
PLL Clock Recover Frequency (RX0-7)
fpll
32
LRCK Frequency
fs
32
Duty Cycle
dLCK
45
Audio Interface Timing
Slave Mode
BICK Period
tBCK
80
BICK Pulse Width Low
tBCKL
30
Pulse Width High
tBCKH
30
20
tLRB
LRCK Edge to BICK “↑”
(Note 6)
tBLR
20
BICK “↑” to LRCK Edge
(Note 6)
tLRM
LRCK to SDTO (MSB)
tBSD
BICK “↓” to SDTO
tDXH
20
DAUX Hold Time
tDXS
20
DAUX Setup Time
Master Mode
BICK Frequency
fBCK
BICK Duty
dBCK
tMBLR
-20
BICK “↓” to LRCK
tBSD
BICK “↓” to SDTO
tDXH
20
DAUX Hold Time
tDXS
20
DAUX Setup Time
Control Interface Timing (4-wire serial mode)
tCCK
200
CCLK Period
tCCKL
80
CCLK Pulse Width Low
tCCKH
80
Pulse Width High
tCDS
50
CDTI Setup Time
tCDH
50
CDTI Hold Time
tCSW
150
CSN “H” Time
tCSS
50
CSN “↓” to CCLK “↑”
tCSH
50
CCLK “↑” to CSN “↑”
tDCD
CDTO Delay
tCCZ
CSN “↑” to CDTO Hi-Z
Note 6. BICK rising edge must not occur at the same time as LRCK edge.
typ
max
24.576
24.576
60
24.576
60
24.576
60
192
192
55
Units
MHz
MHz
%
MHz
%
MHz
%
kHz
kHz
%
50
50
50
-
30
30
ns
ns
ns
ns
ns
ns
ns
ns
ns
Hz
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
64fs
50
20
10
45
70
MS0098-E-04
-7-
2004/03
AKM [ ASAHI KASEI MICROSYSTEMS ]
