CS8427-CSZ Cirrus Logic Inc, CS8427-CSZ Datasheet - Page 9
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CS8427-CSZ
Manufacturer Part Number
CS8427-CSZ
Description
IC TXRX DGTL AUDIO 96KHZ 28SOIC
Manufacturer
Cirrus Logic Inc
Type
Digital Audio Interface Transceiver (DIX)r
Datasheet
1.CS8427-DZZ.pdf
(60 pages)
Specifications of CS8427-CSZ
Applications
Automotive Audio
Mounting Type
Surface Mount
Package / Case
28-SOIC
Audio Control Type
Digital
Control Interface
I2C, Serial
Control / Process Application
AV & DVD Receivers, CD-R, Digital Mixing Consoles
Supply Voltage Range
2.85V To 5.5V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
598-1783 - EVALUATION BOARD FOR CS8427
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
598-1733
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CS8427-CSZ
Manufacturer:
CIRRUS
Quantity:
1 370
Part Number:
CS8427-CSZ
Manufacturer:
CIRRUS
Quantity:
20 000
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI MODE
Inputs: Logic 0 = 0 V, Logic 1 = VL+; C
Notes: 14. If Fso or Fsi is lower than 46.875 kHz, the maximum CCLK frequency should be less than 128 Fso and
DS477F5
CCLK Clock Frequency
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
CCLK Falling to CDOUT Stable
Rise Time of CDOUT
Fall Time of CDOUT
Rise Time of CCLK and CDIN
Fall Time of CCLK and CDIN
15. Data must be held for sufficient time to bridge the transition time of CCLK.
16. For f
less than 128 Fsi. This is dictated by the timing requirements necessary to access the Channel Status
and User Bit buffer memory. Access to the control register file can be carried out at the full 6 MHz rate.
The minimum allowable input sample rate is 8 kHz, so choosing CCLK to be less than or equal to
1.024 MHz should be safe for all possible conditions.
sck
< 1 MHz.
Parameter
CDOUT
CDIN
CCLK
CS
t css
t r2
L
= 20 pF.
Figure 3. SPI Mode timing
t dsu
t scl
t f2
(Note 14)
(Note 15)
(Note 16)
(Note 16)
t sch
t dh
t pd
Symbol
f
t
t
t
t
t
t
t
dsu
t
sck
csh
css
sch
t
t
t
scl
dh
pd
r1
f1
r2
f2
Min
1.0
20
66
66
40
15
0
-
-
-
-
-
t csh
Typ
-
-
-
-
-
-
-
-
-
-
-
-
Max
100
100
6.0
50
25
25
-
-
-
-
-
-
CS8427
Units
MHz
μs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
9