CS4365_08 Datasheet, PDF (15/52 Pages) Cirrus Logic – 114 dB, 192 kHz 6-Channel D/A Converter

CS4365
SWITCHING CHARACTERISTICS - PCM
Inputs: Logic 0 = GND, Logic 1 = VLS, C_L = 20 pF.
Parameters
Symbol
RST pin Low Pulse Width
(Note 14)
MCLK Frequency
MCLK Duty Cycle
Input Sample Rate - LRCK (Manual selection)
Input Sample Rate - LRCK (Auto detect)
LRCK Duty Cycle
SCLK Duty Cycle
SCLK High Time
SCLK Low Time
LRCK Edge to SCLK Rising Edge
SCLK Rising Edge to LRCK Falling Edge
SDIN Setup Time Before SCLK Rising Edge
SDIN Hold Time After SCLK Rising Edge
(Note 15)
Single-Speed Mode F_s
Double-Speed Mode F_s
Quad-Speed Mode F_s
Single-Speed Mode Fs
Double-Speed Mode Fs
Quad-Speed Mode Fs
t_sckh
t_sckl
t_lcks
t_lckd
t_ds
t_dh
Min
1
1.024
45
4
50
100
4
84
170
45
45
8
8
5
5
3
5
Max
-
55.2
55
54
108
216
54
108
216
55
55
-
-
-
-
-
-
Units
ms
MHz
%
kHz
kHz
kHz
kHz
kHz
kHz
%
%
ns
ns
ns
ns
ns
ns
Notes:
14. After powering up, RST should be held low until after the power supplies and clocks are settled.
15. See Tables 1 - 3 for suggested MCLK frequencies.
16. MSB of CH1 is always the second SCLK rising edge following LRCK rising edge.
LRCK
t_lcks
t_sckh
t_sckl
SCLK
SDINx
t_ds
t_dh
MSB
MSB-1
Figure 1. Serial Audio Interface Timing
DS670F2
15