CDB4398 Cirrus Logic Inc, CDB4398 Datasheet - Page 14

• Manufacturer Part Number: CDB4398
• Description: BOARD EVAL FOR CS4398 DAC
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4398

• Number Of Dac's: 2
• Number Of Bits: 24
• Outputs And Type: 2, Differential
• Sampling Rate (per Second): 192k
• Data Interface: I²C, SPI™
• Dac Type: Voltage
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -10°C ~ 70°C
• Utilized Ic / Part: CS4398
• Description/function: Audio D/A
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: CS4398
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1155

14
SWITCHING CHARACTERISTICS - DSD
(Logic 0 = AGND = DGND; Logic 1 = VLS Volts; C
MCLK Duty Cycle
DSD_SCLK Pulse Width Low
DSD_SCLK Pulse Width High
DSD_SCLK Frequency
DSD_A / _B valid to DSD_SCLK rising setup time
DSD_SCLK rising to DSD_A or DSD_B hold time
DSD clock to data transition (Phase Modulation mode)
Figure 7. Direct Stream Digital - Serial Audio Input Timing for Phase Modulation Mode
DSD_A,DSD_B
DSD _SC LK
DSD_A, DSD_B
Parameter
D S D _ S C L K
D S D _ S C L K
( 1 2 8 F s )
( 6 4 F s )
Figure 6. Direct Stream Digital - Serial Audio Input Timing
(128x Oversampled)
(64x Oversampled)
L
= 20 pF)
t
t
sdlrs
d p m
t
Symbol
sdh
t
t
t
t
sclkh
t
sdlrs
sclkl
dpm
sdh
t
sclkl
t
d p m
t
sclkh
1.024
2.048
Min
160
160
-20
40
20
20
Typ
-
-
-
-
-
-
-
-
Max
3.2
6.4
60
20
-
-
-
-
CS4398
DS568F1
MHz
MHz
Unit
ns
ns
ns
ns
ns
%