AK4589_1 Datasheet, PDF (19/76 Pages) Asahi Kasei Microsystems – 2/8-Channel Audio CODEC with DIR

ASAHI KASEI
[AK4589]
SWITCHING CHARACTERISTICS (DIR/DIT part)
(Ta=25°C; DVDD, AVDD, PVDD4.75~5.25V, TVDD=2.7~5.25V; C_L=20pF)
Parameter
Symbol
min
typ
Master Clock Timing
Crystal Resonator Frequency
fXTAL 11.2896
External Clock Frequency
fECLK 11.2896
Duty
dECLK
40
50
MCKO1 Output Frequency
fMCK1 4.096
Duty
dMCK1
40
50
MCKO2 Output Frequency
fMCK2 2.048
Duty
dMCK2
40
50
PLL Clock Recover Frequency (RX0-7)
fpll
32
-
LRCK2 Frequency
fs
32
Duty Cycle
dLCK
45
Audio Interface Timing
Slave Mode
BICK2 Period
tBCK
80
BICK2 Pulse Width Low
tBCKL
30
Pulse Width High
tBCKH
30
LRCK2 Edge to BICK2 “↑”
BICK2 “↑” to LRCK2 Edge
LRCK2 to SDTO2 (MSB)
BICK2 “↓” to SDTO2
DAUX2 Hold Time
DAUX2 Setup Time
(Note 22)
(Note 22)
tLRB
20
tBLR
20
tLRM
tBSD
tDXH
20
tDXS
20
Master Mode
BICK2 Frequency
fBCK
64fs
BICK2 Duty
dBCK
50
BICK2 “↓” to LRCK2
BICK2 “↓” to SDTO2
DAUX2 Hold Time
DAUX2 Setup Time
tMBLR
-20
tBSD
tDXH
20
tDXS
20
Notes;
22. BICK2 rising edge must not occur at the same time as LRCK2 edge.
max
24.576
24.576
60
24.576
60
24.576
60
192
192
55
30
30
20
15
Units
MHz
MHz
%
MHz
%
MHz
%
kHz
kHz
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
Hz
%
ns
ns
ns
ns
MS0339-E-00
- 19 -
2004/09