SWITCHING CHARACTERISTICS
(GND = 0 V; all voltages with respect to 0 V.)
Parameters
Input Sample Rate
Single-Speed Mode
Double-Speed Mode
MCLK Duty Cycle
LRCK Duty Cycle
SCLK Pulse Width Low
SCLK Pulse Width High
SCLK Period
Single-Speed Mode
Symbol
Fs
Fs
tsclkl
tsclkh
tsclkw
Double-Speed Mode tsclkw
SCLK rising to LRCK edge delay
SCLK rising to LRCK edge setup time
SDIN valid to SCLK rising setup time
SCLK rising to SDIN hold time
tslrd
tslrs
tsdlrs
tsdh
Min
8
50
40
40
20
20
(---1---2----81---)---F----s-
--------1----------
( 64 ) F s
20
20
20
20
CS44L11
Typ Max Units
-
50
kHz
-
100
kHz
50
60
%
50
60
%
-
-
ns
-
-
ns
-
-
ns
-
-
ns
-
-
ns
-
-
ns
-
-
ns
-
-
ns
LRCK
SCLK
SDI N
t slrd
t sclkw
t sdlrs
t slrs
t sclkh
t sclkl
t sdh
Figure 1. Serial Audio Data Interface Timing
8
DS640PP4