CS4222-KS Cirrus Logic Inc, CS4222-KS Datasheet - Page 4

• Manufacturer Part Number: CS4222-KS
• Description: Audio CODECs IC 20-Bit Stereo Codec w/Vol Cntrl
• Manufacturer: Cirrus Logic Inc

Specifications of CS4222-KS

• Number Of Adc Inputs: 2
• Number Of Dac Outputs: 2
• Conversion Rate: 48 KSPs
• Interface Type: Serial (I2C, SPI)
• Resolution: 20 bit
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: SSOP-28
• Minimum Operating Temperature: - 10 C
• Number Of Channels: 2 ADC, 2 DAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SWITCHING CHARACTERISTICS
Notes: 8. After powering up the CS4222, PDN should be held low for 10 ms to allow the power supply
4
Audio ADC’s & DAC’s Sample Rate
MCLK Frequency
MCLK Pulse Width High
MCLK Pulse Width Low
MCLK Jitter Tolerance
RST Low Time
SCLK Falling edge to SDOUT output valid (DSCK=0)
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
to settle.
SDOUT
*SCLK shown for DSCK = 0, SCLK inverted for DSCK = 1.
Parameter
SCLK*
LRCK
SDIN
(MCLK = 256, 384, or 512 Fs)
MCLK = 512 Fs
MCLK = 384 Fs
MCLK = 256 Fs
MCLK = 512 Fs
MCLK = 384 Fs
MCLK = 256 Fs
t
lrckd
Serial Audio Port Data I/O timing
t
lrpd
t
(T
lrcks
(DSCK=0)
(DSCK=0)
(DSCK=0)
(DSCK=0)
A
t
(Note 8)
ds
= 25 C; VA, VD = +5V 5%, outputs loaded with 30pF)
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
t dpd
1.024
128 Fs
Min
10
21
31
10
21
31
10
40
40
20
40
4
1
-
-
-
-
-
MSB-1
Typ
500
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
384 Fs
Max
1
50
26
25
25
25
-
-
-
-
-
-
-
-
-
-
-
-
-
20
CS4222
ps RMS
DS236PP3
Units
MHz
kHz
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns