CS5531-AS Ver la hoja de datos (PDF) - Cirrus Logic
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CS5531-AS Datasheet PDF : 50 Pages
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CS5531/32/33/34-AS
SWITCHING CHARACTERISTICS
(VA+ = 2.5 V or 5 V ±5%; VA- = -2.5V±5% or 0 V; VD+ = 3.0 V ±10% or 5 V ±5%;DGND = 0 V;
Levels: Logic 0 = 0 V, Logic 1 = VD+; CL = 50 pF; See Figures 1 and 2.)
Parameter
Master Clock Frequency
(Note 26)
External Clock or Crystal Oscillator
Master Clock Duty Cycle
Rise Times
(Note 27)
Any Digital Input Except SCLK
SCLK
Any Digital Output
Fall Times
(Note 27)
Any Digital Input Except SCLK
SCLK
Any Digital Output
Start-up
Oscillator Start-up Time XTAL = 4.9152 MHz (Note 28)
Serial Port Timing
Serial Clock Frequency
Serial Clock
Pulse Width High
Pulse Width Low
SDI Write Timing
CS Enable to Valid Latch Clock
Data Set-up Time prior to SCLK rising
Data Hold Time After SCLK Rising
SCLK Falling Prior to CS Disable
SDO Read Timing
CS to Data Valid
SCLK Falling to New Data Bit
CS Rising to SDO Hi-Z
Symbol
MCLK
trise
tfall
tost
SCLK
t1
t2
t3
t4
t5
t6
t7
t8
t9
Min
Typ
Max Unit
1
4.9152
5
MHz
40
-
60
%
-
-
1.0
µs
-
-
100
µs
-
50
-
ns
-
-
1.0
µs
-
-
100
µs
-
50
-
ns
-
20
-
ms
0
-
250
-
250
-
2
MHz
-
ns
-
ns
50
-
50
-
100
-
100
-
-
ns
-
ns
-
ns
-
ns
-
-
150
ns
-
-
150
ns
-
-
150
ns
Notes: 26. Device parameters are specified with a 4.9152 MHz clock.
27. Specified using 10% and 90% points on waveform of interest. Output loaded with 50 pF.
28. Oscillator start-up time varies with crystal parameters. This specification does not apply when using an
external clock source.
10
DS289F5
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