
12
DS568F1
CS4398
SWITCHING CHARACTERISTICS
(Inputs: Logic 0 = GND, Logic 1 = VLS, CL = 20 pF)
Parameters
Symbol
Min
Typ
Max
Units
Input Sample Rate
Single-Speed Mode
Double-Speed Mode
Quad-Speed Mode
Fs
30
50
100
-
54
108
216
kHz
MCLK Frequency
See Tables
1 &
2 (page 21) for compatible frequencies
MCLK Duty Cycle
40%
-
60%
LRCK Duty Cycle
45%
50
55%
SCLK Pulse Width Low
tsclkl
20
-
ns
SCLK Pulse Width High
tsclkh
20
-
ns
SCLK Period
Single-Speed Mode
tsclkw
--
ns
Double-Speed Mode
tsclkw
--
ns
Quad-Speed Mode
tsclkw
--
ns
SCLK rising to LRCK edge delay
tslrd
20
-
ns
SCLK rising to LRCK edge setup time
tslrs
20
-
ns
SDATA valid to SCLK rising setup time
tsdlrs
22
-
ns
SCLK rising to SDATA hold time
tsdh
20
-
ns
sclkh
t
slrs
t
slrd
t
sdlrs
t
sd h
t
sclkl
t
SD A TA
SC LK
LR C K
Figure 2. Serial Mode Input Timing
1
128
()Fs
---------------------
1
64
()Fs
------------------
2
MCLK
-----------------