CS42325-CQZR Cirrus Logic Inc, CS42325-CQZR Datasheet - Page 22

• Manufacturer Part Number: CS42325-CQZR
• Description: IC 10In, 6Out, 2Vrms Audio Codec WHP
• Manufacturer: Cirrus Logic Inc
• Type: Audio Codecr

Specifications of CS42325-CQZR

• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 1 / 2
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 95 / 100
• Voltage - Supply, Analog: 3.13 V ~ 3.47 V
• Voltage - Supply, Digital: 3.13 V ~ 3.47 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

22
SWITCHING CHARACTERISTICS - SERIAL AUDIO
Logic ‘0’ = GND = GNDH = 0 V; Logic ‘1’ = VL; C
Notes: 18. Duty cycle of generated SCLKx in Master Mode depends on duty cycle of the corresponding MCLKx as
Master Clock (MCLKx = MCLK1, MCLK2)
MCLKx Frequency
MCLKx Duty Cycle
Sample Rates
Master Mode
SCLKx Frequency
SCLKx Period
SCLKx Duty Cycle
LRCKx setup
LRCKx hold
SDOUT setup
SDOUT hold
Slave Mode
SCLKx Frequency
SCLKx Period
SCLKx Duty Cycle
LRCKx setup
LRCKx hold
SDOUT setup
SDOUT hold
19. In Slave Mode, the SCLK/LRCK ratio can be set according to preference. However, specified perfor-
SDOUT
specified under
mance is guaranteed only when using the ratios in
4.2.2 Slave Mode on page
SCLKx
LRCKx
(Note 19)
(Note 18)
Parameter
data
“System Clocking” on page
channel
t
HOLD1
Double-Speed Mode
Single-Speed Mode
before SCLK rising
before SCLK rising
before SCLK rising
before SCLK rising
after SCLK rising
after SCLK rising
after SCLK rising
after SCLK rising
1/(128*108 kHz)
1/(128•108 kHz)
30.
Figure 3. Serial Input Timing
t
PERIOD
L
= 20 pF.
28.
t
t
t
HIGH
HIGH
SETUP2
channel
Symbol
t
t
t
t
t
t
t
t
t
t
t
PERIOD
SETUP1
SETUP2
PERIOD
SETUP1
SETUP2
SETUP1
HOLD1
HOLD2
HOLD1
HOLD2
÷ t
÷ t
-
-
-
Section 4.2.1 Master Mode on page 30
PERIOD
PERIOD
data
t
HOLD2
64•Fs
1.024
72.3
72.3
Min
40
50
40
20
20
10
10
40
20
20
10
10
t
4
HIGH
-
64•Fs
Typ
50
50
50
-
-
-
-
-
-
-
-
-
41.4720
64•Fs
Max
108
60
54
60
60
-
-
-
-
-
-
-
CS42325
and
DS838A2
Section
MHz
Unit
kHz
Hz
Hz
ns
ns
ns
ns
ns
ns
%
%
%