
CS4392
32
DS459PP3
SWITCHING CHARACTERISTICS - SERIAL AUDIO INTERFACE
(Inputs: Logic 0 = 0 V, Logic 1 = VL) .
Parameters
Symbol
Min
Typ
Max
Units
Input Sample Rate
Fs
4
-
200
kHz
LRCK Duty Cycle
45
50
55
%
MCLK Duty Cycle
40
50
60
%
SCLK Frequency
Single Speed Mode
Double Speed Mode
Quad Speed Mode (MCLKDIV=0)
Quad Speed Mode (MCLKDIV=1)
-
128LRCK
64LRCK
MCLK/2
MCLK/4
Hz
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
20
-
ns
SCLK rising to SDATA hold time
tsdh
20
-
ns
slrs
t
slrd
t
sd lrs
t
sdh
t
SD A TA
SC L K
LRCK
Figure 36. Serial Mode Input Timing