ASAHI KASEI
[AK4319A]
SWITCHING CHARACTERISTICS
(Ta=25°C; AVDD,DVDD=4.5∼5.5V; C
L
=20pF)
Parameter
Master Clock Timing
Crystal Resonator 256fs:
384fs:
External Clock
256fs:
Pulse Width Low
Pulse Width High
384fs:
Pulse Width Low
Pulse Width High
LRCK Frequency
Duty Cycle
Symbol
fCLK
fCLK
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fs
Duty
min
7.10
10.70
2.048
28
28
3.072
20
20
8
45
44.1
typ
max
13.9
20.7
13.824
Unit
MHz
MHz
MHz
MHz
ns
ns
MHz
ns
ns
kHz
%
ns
ns
ns
ns
ns
ns
ns
ns
20.736
54
55
Serial Interface Timing
290
tBCK
BICK Period
100
tBCKL
BICK Pulse Width Low
100
tBCKH
Pulse Width High
40
tBLR
BICK rising to LRCK edge (Note 10 )
40
tLRB
LRCK Edge to BICK rising (Note 10 )
40
tSDH
SDATA Hold Time
40
tSDS
SDATA Setup Time
Reset Timing
tPD
100
PD Pulse Width
(Note 11 )
Notes: 10. BICK rising edge must not occur at the same time as LRCK edge.
11. The AK4319A can be reset by bringing PD "L" to "H" only upon power up.
M0011-E-01
-7-
1998/6
AKM [ ASAHI KASEI MICROSYSTEMS ]
