CS4382A_05 Datasheet, PDF (14/47 Pages) Cirrus Logic – 114 dB, 192 kHz 8-Channel D/A Converter

CS4382A
SWITCHING CHARACTERISTICS - PCM
(Inputs: Logic 0 = GND, Logic 1 = VLS, C_L = 30 pF)
Parameters
Symbol
RST pin Low Pulse Width
(Note 14)
MCLK Frequency
MCLK Duty Cycle
Input Sample Rate - LRCK
LRCK Duty Cycle
SCLK Duty Cycle
SCLK High Time
SCLK Low Time
LRCK Edge to SCLK Rising 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
t_sckh
t_sckl
t_lcks
t_ds
t_dh
Min
1
1.024
45
4
50
100
45
45
8
8
5
3
5
Max
-
55.2
55
54
108
216
55
55
-
-
-
-
-
Units
ms
MHz
%
kHz
kHz
kHz
%
%
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 Table 1 on page 20 for suggested MCLK frequencies.
LRCK
SCLK
SDINx
t_lcks
t_sckh
t_sckl
t_ds
t_dh
MSB
MSB-1
Figure 1. Serial Audio Interface Timing
14
DS618PP2