CDB4350 Cirrus Logic Inc, CDB4350 Datasheet - Page 15

• Manufacturer Part Number: CDB4350
• Description: Eval Bd 105dB 192kHz DAC W/PLL
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4350

• Number Of Dac's: 2
• Number Of Bits: 24
• Outputs And Type: 2, Differential
• Sampling Rate (per Second): 192k
• Data Interface: Serial
• Dac Type: Voltage
• Voltage Supply Source: Single
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: CS4350
• Description/function: Audio D/A
• Operating Supply Voltage: 12 V
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: CS4350
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant, Contains lead / RoHS non-compliant
• Other names: 598-1517

DS691F1
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI FORMAT
Inputs: Logic 0 = GND; Logic 1 = VLC; C
Notes: 12. t
CCLK Clock Frequency
RST Rising Edge to CS Falling
CCLK Edge to CS Falling
CS High Time Between Transmissions
CS Falling to CCLK Edge
CCLK Low Time
CCLK High Time
CDIN to CCLK Rising Setup Time
CCLK Rising to DATA Hold Time
Rise Time of CCLK and CDIN
Fall Time of CCLK and CDIN
Transition Time from CCLK to CDOUT Valid
Time from CS rising to CDOUT High-Z
13. Data must be held for sufficient time to bridge the transition time of CCLK.
14. For F
15. CDOUT should not be sampled during this time.
spi
only needed before first falling edge of CS after RST rising edge. t
SCK
CDOUT
CCLK
CDIN
< 1 MHz.
RST
CS
(Note 12)
Parameter
(Note 14)
(Note 14)
(Note 13)
t srs
t spi
t r2
t css
Figure 9. Control Port Timing - SPI Mode
(Note 15)
L
= 20 pF.
t scdov
t scl
t f2
t dsu t
t sch
dh
t scdov
Symbol
t
t
scdov
cscdo
f
t
t
t
t
t
t
t
t
sclk
dsu
csh
css
sch
t
t
srs
spi
scl
dh
r2
f2
t cscdo
t csh
Min
500
500
1.0
20
66
66
40
15
-
-
-
-
-
spi
Hi-Impedance
= 0 at all other times.
Max
100
100
100
100
6
-
-
-
-
-
-
-
-
CS4350
Unit
MHz
ns
ns
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
15