
ASAHI KASEI
[AK4589]
MS0339-E-00
2004/09
-
14
-
SWITCHING CHARACTERISTICS (ADC/DAC part)
(Ta=25
°
C; AVDD, DVDD, PVDD=4.75
∼
5.25V; TVDD=2.7
∼
5.25V; C
L
=20pF)
Parameter Symbol
min
typ
max
Units
Master Clock Timing
Master Clock
256fsn, 128fsd:
Pulse Width Low
Pulse Width High
384fsn, 192fsd:
Pulse Width Low
Pulse Width High
512fsn, 256fsd, 128fsq:
Pulse Width Low
Pulse Width High
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
8.192
27
27
12.288
20
20
16.384
15
15
12.288
18.432
24.576
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
LRCK1 Timing (Slave Mode)
Normal mode
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
Duty Cycle
fsn
fsd
fsq
Duty
32
64
120
45
48
96
192
55
kHz
kHz
kHz
%
TDM 256 mode
LRCK1 frequency
“H” time
“L” time
fsd
tLRH
tLRL
32
1/256fs
1/256fs
48
kHz
ns
ns
TDM 128 mode
LRCK1 frequency
“H” time
“L” time
fsd
tLRH
tLRL
64
1/128fs
1/128fs
96
kHz
ns
ns
LRCK1 Timing (Master Mode)
Normal mode
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
Duty Cycle
fsn
fsd
fsq
Duty
32
64
120
50
48
96
192
kHz
kHz
kHz
%
TDM 256 mode
LRCK1 frequency
“H” time (Note 16)
fsn
tLRH
32
1/8fs
48
kHz
ns
TDM 128 mode
LRCK1 frequency
“H” time (Note 16)
fsd
tLRH
64
1/4fs
96
kHz
ns
Power-down & Reset Timing
PDN Pulse Width (Note 17)
PDN “
↑
” to SDTO1 valid (Note 18)
tPD
tPDV
150
522
ns
1/fs
Notes:
16. “L” time at I
2
S format.
17. The AK4589 can be reset by bringing PDN “L” to “H” upon power-up.
18. These cycles are the number of LRCK rising from PDN rising.