CDB4350 Cirrus Logic Inc, CDB4350 Datasheet - Page 14

• 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

14
SWITCHING CHARACTERISTICS - CONTROL PORT - I²C FORMAT
Inputs: Logic 0 = GND; Logic 1 = VLC; C
Note: 11. Data must be held for sufficient time to bridge the transition time, t
LRCK
SCLK
SCL Clock Frequency
RST Rising Edge to Start
Bus Free Time Between Transmissions
Start Condition Hold Time (prior to first clock pulse)
Clock Low time
Clock High Time
Setup Time for Repeated Start Condition
SDA Hold Time from SCL Falling
SDA Setup time to SCL Rising
Rise Time of SCL and SDA
Fall Time SCL and SDA
Setup Time for Stop Condition
Acknowledge Delay from SCL Falling
SDIN
(input)
(input)
(input)
R S T
S D A
Figure 6. Serial Port Timing, Non-TDM Mode
S C L
t
lckd
Stop
t
t
irs
buf
t
lcks
S tart
Parameter
t
t
t
ds
hdst
lo w
(Note 11)
t
dh
t
sckh
t
MSB
hdd
Figure 8. Control Port Timing - I²C Format
L
t
high
= 20 pF.
t
sckl
t sud
MSB-1
t ack
LRCK
SCLK
SDIN
(Input)
(Input)
(Input)
Symbol
t
t
rc
t
t
t
t
fc
t
t
t
t
t
susp
f
hdst
high
sust
t
t
hdd
low
sud
ack
Figure 7. Serial Port Timing, TDM Mode
buf
scl
fss
irs
, t
, t
rc
fc
t
lrckh
R e p e ate d
t sust
S ta rt
t
fsh
fc
, of SCL.
Min
500
250
300
4.7
4.0
4.7
4.0
4.7
4.7
t
0
-
-
-
hdst
t rd
t rc
t
ds
t fc
t
dh
t
sckh
MSB
Max
1000
100
300
1
-
-
-
-
-
-
-
-
-
t fd
Stop
CS4350
t
t susp
sckl
DS691F1
MSB-1
Unit
kHz
ns
µs
µs
µs
µs
µs
µs
ns
µs
ns
µs
ns