User Manual

22 DS656F3
CS4245
SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT 1
Logic ‘0’ = DGND = AGND = 0 V; Logic ‘1’ = VL, C
L
= 20 pF. (Note 28)
28. See Figure 3 and Figure 4 on page 23.
Parameter Symbol Min Typ Max Unit
Sample Rate Single Speed Mode
Double Speed Mode
Quad Speed Mode
Fs
Fs
Fs
4
50
100
-
-
-
50
100
200
kHz
kHz
kHz
MCLK Specifications
MCLK1 Input Frequency fmclk 1.024 - 51.200 MHz
MCLK1 Input Pulse Width High/Low t
clkhl 8--ns
Master Mode
LRCK1 Duty Cycle - 50 - %
SCLK1 Duty Cycle - 50 - %
SCLK1 falling to LRCK1 edge t
slr
-10 - 10 ns
SCLK1 falling to SDOUT valid t
sdo
0-36ns
Slave Mode
LRCK1 Duty Cycle 40 50 60 %
SCLK1 Period
Single-Speed Mode
Double-Speed Mode
Quad-Speed Mode
t
sclkw
t
sclkw
t
sclkw
-
-
-
-
-
-
ns
ns
ns
SCLK1 Pulse Width High t
sclkh
30 - - ns
SCLK1 Pulse Width Low t
sclkl
48 - - ns
SCLK1 falling to LRCK1 edge t
slr
-10 - 10 ns
SCLK1 falling to SDOUT valid t
sdo
0-36ns
10
9
128Fs
---------------------
10
9
64Fs
------------------
10
9
64Fs
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