CS4221-KS Cirrus Logic Inc, CS4221-KS Datasheet - Page 7

• Manufacturer Part Number: CS4221-KS
• Description: IC, AUDIO CODEC, 24BIT, 50KHZ, SSOP-28
• Manufacturer: Cirrus Logic Inc

Specifications of CS4221-KS

• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 2
• No. Of Output Channels: 2
• Adc / Dac Resolution: 24bit
• Adcs / Dacs Signal To Noise Ratio: 105dB
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

SWITCHING CHARACTERISTICS
30 pF)
Notes: 10. After powering up the CS4220/1, PDN should be held low for 10 ms to allow the power supply to settle.
DS284PP3
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
Figure 1. Serial Audio Port Data I/O Timing
XTI = 256, 384, or 512 Fs
t
lrckd
t
lrpd
XTI = 512 Fs
XTI = 384 Fs
XTI = 256 Fs
XTI = 512 Fs
XTI = 384 Fs
XTI = 256 Fs
t
lrcks
(T
DSCK = 0
DSCK = 0
DSCK = 0
DSCK = 0
DSCK = 0
A
(Note 10)
t
= 25° C; VA, VD = 4.75 V - 5.25 V; outputs loaded with
ds
MSB
t
sckh
t
dh
Symbol
t
t
t
t
t
t
t
sckw
lrckd
sckh
lrcks
Fs
dpd
lrpd
t
t
sckl
dh
ds
t
sckw
t
sckl
--------------------- -
(128) Fs
1.024
t dpd
Min
13
21
31
13
21
31
10
25
25
40
40
35
40
4
1
-
-
-
MSB-1
CS4220 CS4221
Typ
500
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
--------------------- -
(384) Fs
Max
1
50
26
45
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
20
psRMS
Unit
MHz
kHz
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
7