CS4245_07 Datasheet, PDF (24/57 Pages) Cirrus Logic – 104 dB, 24-Bit, 192 kHz Stereo Audio CODEC

SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT 2
Logic ‘0’ = DGND = AGND = 0 V; Logic ‘1’ = VL, C_L = 20 pF. (Note 29)
Parameter
Symbol Min
Typ
Sample Rate
MCLK Specifications
Single Speed Mode Fs
4
-
Double Speed Mode Fs
50
-
Quad Speed Mode Fs
100
-
MCLK2 Input Frequency
fmclk
1.024
-
MCLK2 Input Pulse Width High/Low
Master Mode
tclkhl
8
-
LRCK2 Duty Cycle
-
50
SCLK2 Duty Cycle
-
50
SCLK2 falling to LRCK edge
SDIN valid to SCLK2 rising setup time
SCLK2 rising to SDIN hold time
Slave Mode
t_slr
-10
-
t_sdis
16
-
t_sdih
20
-
LRCK2 Duty Cycle
40
50
SCLK2 Period
Single-Speed Mode t_sclkw
(^---1^---2^1---8^-0--)^-9--F^----s^-
-
Double-Speed Mode t_sclkw
(^---6^--1-4^--0-)^---F^9----s^-
-
Quad-Speed Mode t_sclkw
(^---6^--1-4^--0-)^---F^9----s^-
-
SCLK2 Pulse Width High
SCLK2 Pulse Width Low
SCLK2 falling to LRCK2 edge
SDIN valid to SCLK2 rising setup time
SCLK2 rising to SDIN hold time
t_sclkh
30
-
t_sclkl
48
-
t_slr
-10
-
t_sdis
16
-
t_sdih
20
-
29. See Figure 5 and Figure 6 on page 25.
CS4245
Max
50
100
200
51.200
-
-
-
10
-
-
60
-
Unit
kHz
kHz
kHz
MHz
ns
%
%
ns
ns
ns
%
ns
-
ns
-
ns
-
ns
-
ns
10
ns
-
ns
-
ns
24
DS656F2