ASAHI KASEI
[AK4341]
SWITCHING CHARACTERISTICS
(Ta = 25°C; VDD = +3.0
∼
+3.6V, HVDD = +8.55
∼
+12.6V)
Parameter
Symbol
min
typ
fCLK
2.048
11.2896
Master Clock Frequency
dCLK
40
Duty Cycle
LRCK Frequency
Normal Speed Mode
fsn
8
Double Speed Mode
fsd
32
Quad Speed Mode
fsq
120
Duty Cycle
Duty
45
Audio Interface Timing
BICK Period
tBCK
1/128fsn
Normal Speed Mode
tBCK
1/64fsd
Double Speed Mode
tBCK
1/64fsq
Quad Speed Mode
tBCKL
30
BICK Pulse Width Low
tBCKH
30
Pulse Width High
tBLR
20
BICK “↑” to LRCK Edge (Note 13)
tLRB
20
LRCK Edge to BICK “↑” (Note 13)
tSDH
20
SDTI Hold Time
tSDS
20
SDTI Setup Time
Reset Timing
tRST
150
RSTN Pulse Width (Note 14)
Note 13. BICK rising edge must not occur at the same time as LRCK edge.
Note 14. The AK4341 can be reset by bringing PDN pin = “L”.
max
36.864
60
48
96
192
55
Units
MHz
%
kHz
kHz
kHz
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MS0558-E-01
-7-
2007/03
AKM [ ASAHI KASEI MICROSYSTEMS ]
