CS42888-CQZ Cirrus Logic Inc, CS42888-CQZ Datasheet - Page 18

• Manufacturer Part Number: CS42888-CQZ
• Description: IC,Soundcard Circuits,CMOS,QFP,64PIN,PLASTIC
• Manufacturer: Cirrus Logic Inc
• Type: Audio Codecr

Specifications of CS42888-CQZ

• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 4 / 8
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 105 / 108 (Differential), 102 / 105 (Single-Ended)
• Voltage - Supply, Analog: 3.14 V ~ 5.25 V
• Voltage - Supply, Digital: 3.14 V ~ 5.25 V
• Operating Temperature: -10°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• No. Of Adcs: 2
• No. Of Dacs: 4
• No. Of Input Channels: 8
• No. Of Output Channels: 4
• Adc / Dac Resolution: 24bit
• Ic Interface Type: Serial
• Supply Voltage Range: 3.14V To 5.25V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 598-1183

18
SWITCHING SPECIFICATIONS - ADC/DAC PORT
(Inputs: Logic 0 = DGND, Logic 1 = VLS, ADC_SDOUT C
Figure 4. Serial Audio Interface Slave Mode Timing
Slave Mode
RST pin Low Pulse Width
MCLK Frequency
MCLK Duty Cycle
Input Sample Rate (LRCK)
LRCK Duty Cycle
SCLK Duty Cycle
SCLK High Time
SCLK Low Time
LRCK Rising Edge to SCLK Rising Edge
SCLK Rising Edge to LRCK Falling Edge
SCLK Falling Edge to ADC_SDOUT Output Valid
DAC_SDIN Setup Time Before SCLK Rising Edge
DAC_SDIN Hold Time After SCLK Rising Edge
DAC_SDIN Hold Time After SCLK Rising Edge
ADC_SDOUT Hold Time After SCLK Rising Edge
ADC_SDOUT Valid Before SCLK Rising Edge
Master Mode
Output Sample Rate (LRCK)
LRCK Duty Cycle
SCLK Frequency
SCLK Duty Cycle
LRCK Edge to SCLK Rising Edge
SCLK Falling Edge to ADC_SDOUT Output Valid
DAC_SDIN Setup Time Before SCLK Rising Edge
DAC_SDIN Hold Time After SCLK Rising Edge
DAC_SDINx
ADC_SDOUTx
LRCK
SCLK
t
dpd
Parameters
t
lcks
t
ds
t
sckh
t
MSB
MSB
dh
Double-Speed Mode
(Note 21)
Quad-Speed Mode
t
sckl
MSB-1
MSB-1
Single-Speed Mode
All Speed Modes
ADC_SDOUT1
(Note 17)
(Note 18)
(Note 19)
(Note 20)
DAC_SDIN1
LOAD
LRCK
SCLK
(input)
(input)
Figure 5. TDM Serial Audio Interface Timing
= 15 pF.)
Symbol
t
t
t
t
fss
t
t
t
t
t
t
t
sckh
t
t
dval
sckl
lcks
dpd
t
t
dh1
dh2
lcks
dpd
t
dh1
F
F
F
F
fss
fsh
ds
dh
ds
s
s
s
s
0.512
Min
100
t
MSB
fsh
45
50
45
45
16
10
15
45
45
1
4
8
8
5
3
5
5
3
5
-
-
-
-
-
t
ds
t
dh2
MCLK / 256
t
sckh
MSB
64 x Fs
t
dh1
Max
100
200
50
55
50
55
55
35
55
55
35
5
-
-
-
-
-
-
-
-
-
-
-
-
t
MSB-1
dval
t
sckl
CS42888
DS717F2
MSB-1
Units
MHz
MHz
kHz
kHz
kHz
kHz
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
%
%
%