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CS4349 Datasheet, PDF (13/40 Pages) Cirrus Logic – 192 kHz DAC w/ Volume Control and 1 Vrms @ 3.3 V
SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE
Inputs: Logic 0 = GND; Logic 1 = VLS; CL = 20 pF.
Parameters
Symbol Min
3.14 V ≤ VA ≤ 5.25 V and 1.35 V ≤ VLS ≤ 5.25 V
RMCK Output Frequency (Note )
7.680
RMCK Output Duty Cycle
45
Input Sample Rate
Single-Speed Mode
30
Double-Speed Mode Fs
60
Quad-Speed Mode
120
LRCK Duty Cycle (Non-TDM Mode)
40
SDIN Setup Time Before SCLK Rising Edge
tds
1
SDIN Hold Time After SCLK Rising Edge
tdh
1
4.75 V ≤ VA ≤ 5.25 V and 3.14 V ≤ VLS ≤ 5.25 V
SCLK Frequency
-
SCLK High Time
SCLK Low Time
Non-TDM Mode (refer to Figure 6)
tsckh
6
tsckl
6
LRCK Edge to SCLK Rising Edge
SCLK Rising Edge to LRCK Edge
TDM Mode (refer to Figure 7)
tlcks
11
tlckd
1
LRCK High Time
tlrckh
6
SCLK Rising to LRCK Falling Edge
tfsh
3
LRCK Rising Edge to SCLK Rising Edge
tfss
1
3.14 V ≤ VA < 4.75 V or 1.35 V ≤ VLS < 3.14 V
SCLK Frequency
-
SCLK High Time
SCLK Low Time
Non-TDM Mode (refer to Figure 6)
tsckh
11
tsckl
11
LRCK Edge to SCLK Rising Edge
SCLK Rising Edge to LRCK Edge
TDM Mode (refer to Figure 7)
tlcks
16
tlckd
1
LRCK High Time
SCLK Rising to LRCK Falling Edge
LRCK Rising Edge to SCLK Rising Edge
tlrckh
25
tfsh
8
tfss
1
CS4349
Max
Units
55.3
MHz
55
%
54
108
kHz
216
60
%
-
ns
-
ns
55.3
MHz
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
27.7
MHz
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
DS782F1
13