CS43122
SWITCHING CHARACTERISTICS
(T
A
= -10 to 70° C; Logic 0 = AGND = DGND; Logic
1 = VD = 5.25 to 3.0 Volts; C
L
= 20 pF)
Parameter
Input Sample Rate
Symbol
(Operational Mode 0)
Fs
(Operational Mode 1)
Fs
(Operational Mode 2)
Fs
Min
16
45
95
45
4.096
Typ
-
-
-
50
-
Max
55
105
200
55
14.08
Unit
kHz
kHz
kHz
%
MHz
LRCK Duty Cycle
MCLK Frequency
MCLK Frequency
MCLK Frequency
MCLK Frequency
(Operational Mode 0, 256 Fs)
(Operational Mode 1, 128 Fs)
(Operational Mode 2, 64 Fs)
(Operational Mode 0, 384 Fs)
(Operational Mode 1, 192 Fs)
(Operational Mode 2, 96 Fs)
(Operational Mode 0, 512 Fs)
(Operational Mode 1, 256 Fs)
(Operational Mode 2 , 128 Fs)
(Operational Mode 0, 768 Fs)
(Operational Mode 1, 384 Fs)
(Operational Mode 2 , 192 Fs)
(Operational
(Operational Mode 1)
(Operational Mode 2)
t
slrd
t
slrs
t
sdlrs
t
sdh
6.144
-
21.12
MHz
8.192
-
28.16
MHz
12.288
40
-
-
-
20
20
20
20
-
50
-
-
-
-
-
-
-
42.24
60
256×Fs
128×Fs
64×Fs
-
-
-
-
MHz
%
Hz
Hz
Hz
ns
ns
ns
ns
MCLK Duty Cycle
SCLK Frequency
Mode 0)
SCLK rising to LRCK edge delay
SCLK rising to LRCK edge setup time
SDATA valid to SCLK rising setup time
SCLK rising to SDATA hold time
LRCK
t slrd
t slrs
t sclkl
t sclkh
SCLK
t sdlrs
SDATA
t sdh
Figure 1. Serial Audio Input Timing
9
CIRRUS [ CIRRUS LOGIC ]
