
CS4397
10
DS333F1
SWITCHING CHARACTERISTICS (T
A= -10 to 70°C; Logic 0 = AGND = DGND; Logic
1 = VD = 5.25 to 3.0 Volts; CL =20pF)
Parameter
Symbol
Min
Typ
Max
Unit
Input Sample Rate
(Single-speed mode)
(Double-speed mode)
(Quad-speed mode)
Fs
16
50
100
-
50
100
200
kHz
LRCK Duty Cycle
45
50
55
%
MCLK Frequency
(Single-speed 256 Fs,
Double speed 128 Fs or Quad-speed 64 Fs)
4.096
-
12.8
MHz
MCLK Frequency
(Single-speed 384 Fs,
Double speed 192 Fs or Quad-speed, 96 Fs
6.144
-
19.2
MHz
MCLK Frequency
(Single-speed 512 Fs,
Double speed 256 Fs or Quad-speed, 128 Fs
8.192
-
25.6
MHz
MCLK Frequency
(Single-speed 768 Fs,
Double speed 384 Fs or Quad-speed, 192 Fs
12.288
-
38.4
MHz
MCLK Duty Cycle
40
50
60
%
SCLK Frequency
(Single-speed mode)
(Double-speed mode)
(Quad-speed mode)
-
256×Fs
128×Fs
64×Fs
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
sdlrs
t
sdh
t
SDATA
SCLK
LRCK
Figure 1. Serial Audio Input Timing