CS4245 Datasheet, PDF (23/54 Pages) Cirrus Logic – 105 dB, 24-Bit, 192 kHz Streo Sudio CODEC

CS4245
SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT 2 (Logic ‘0’ = DGND = 0 V;
Logic ‘1’ = VL, C_L = 20 pF) (Note 26)
Parameter
Symbol Min
Typ
Max
Unit
Sample Rate
Single Speed Mode Fs
4
-
50
kHz
Double Speed Mode Fs
50
-
100
kHz
Quad Speed Mode Fs
100
-
200
kHz
MCLK Specifications
MCLK2 Input Frequency
fmclk
1.024
-
51.200 MHz
MCLK2 Input Pulse Width High/Low
tclkhl
8
-
-
ns
Master Mode
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
-
10
ns
t_sdis
16
-
-
ns
t_sdih
20
-
-
ns
LRCK2 Duty Cycle
40
50
60
%
SCLK2 Period
Single Speed Mode t_sclkw
-------1---0---⁹-------
( 128 ) F s
-
Double Speed Mode t_sclkw
-----1---0----⁹-----
(64)Fs
-
-
ns
-
ns
Quad Speed Mode t_sclkw
-----1---0----⁹-----
(64)Fs
-
-
ns
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
-
-
ns
t_sclkl
48
-
-
ns
t_slr
-10
-
10
ns
t_sdis
16
-
-
ns
t_sdih
20
-
-
ns
26. See figures 5 and 6 on page 24.
23