CS4397 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'CS4397' PDF : 36 Pages View PDF
CS4397
8X INTERPOLATOR - SWITCHING CHARACTERISTICS (TA= -10 to 70°C;
Logic 0 = AGND = DGND; Logic 1 = VD = 5.25 to 3.0 Volts; CL = 20 pF)
Parameter
Symbol
Min
Typ Max
Input Sample Rate
(Note 10) Fs
128
-
400
MCLK Frequency
(MCLK = 32×Fs)
(MCLK = 48×Fs)
(MCLK = 64×Fs)
(MCLK = 96×Fs)
4.096
6.144
8.192
12.288
-
12.8
-
19.2
-
25.6
-
28.4
MCLK Duty Cycle
40
-
50
WCKI Duty Cycle
25
-
75
BCKI Frequency
32xFs
BCKI rising to WCKI edge delay
BCKI rising to WCKI edge setup time
SDATA valid to BCKI rising setup time
BCKI rising to DIL/DIR hold time
tslrd
20
tslrs
20
tsdlrs
20
tsdh
20
-
-
-
-
-
-
-
-
Unit
kHz
MHz
MHz
MHz
MHz
%
%
MHz
ns
ns
ns
ns
Notes: 10. Fs refers to the input sample rate to the Digital-to-Analog converter, i.e. Fs = 44.1 kHz × 8 = 352.8 kHz.
WCKI
BCKI
DIL/DIR
t slrd
t sdlrs
t slrs
t sclkh
t sclkl
t sdh
Figure 3. Serial Audio Input Timing
12
DS333F1
Share Link: 
