cs4223 Cirrus Logic, Inc., cs4223 Datasheet - Page 9

• Manufacturer Part Number: cs4223
• Description: 24-bit, 105 Db Codecs With Volume Control
• Manufacturer: Cirrus Logic, Inc.

SWITCHING CHARACTERISTICS
Notes: 10. After powering up the CS4223/4, PDN should be held low for 10 ms to allow the power supply to settle.
DS290F1
Audio ADC’s and DAC’s Sample Rate
XTI Frequency
XTI Pulse Width High
XTI Pulse Width Low
XTI Jitter Tolerance
RST Low Time
SCLK falling edge to SDOUT output valid
LRCK edge to MSB valid
SDIN setup time before SCLK rising edge
SDIN hold time after SCLK rising edge
SCLK Period
SCLK High Time
SCLK Low Time
SCLK rising to LRCK edge
LRCK edge to SCLK rising
SDOUT
*SCLK shown for DSCK = 0, SCLK inverted for DSCK = 1.
SCLK*
LRCK
SDIN
Parameter
XTI = 256, 384, or 512 Fs
t
Figure 1. Serial Audio Port Data I/O Timing
lrckd
t
lrpd
XTI = 512 Fs
XTI = 384 Fs
XTI = 256 Fs
XTI = 512 Fs
XTI = 384 Fs
XTI = 256 Fs
t
lrcks
(Outputs loaded with 30 pF)
DSCK = 0
DSCK = 0
DSCK = 0
DSCK = 0
DSCK = 0
(Note 10)
t
ds
MSB
t
sckh
t
dh
Symbol
t
t
t
t
t
t
t
sckw
sckh
lrckd
lrcks
Fs
t
t
sckl
dpd
lrpd
ds
dh
t
sckw
t
sckl
1.024
--------------------- -
(128) Fs
t dpd
Min
13
21
31
13
21
31
10
25
25
40
40
35
40
4
-
1
-
-
MSB-1
Typ
500
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CS4223 CS4224
--------------------- - 20
(384) Fs
Max
1
50
26
45
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
psRMS
MHz
Unit
kHz
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
9