CS5451 Ver la hoja de datos (PDF) - Cirrus Logic
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CS5451 Datasheet PDF : 14 Pages
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CS5451
SWITCHING CHARACTERISTICS (TA = -40 °C to +85 °C; VA+, VD+ = 3.0 V ±10%; VA- = -2 V
±10%; DGND = AGND = 0.0 V; Logic Levels: Logic 0 = 0.0 V, Logic 1 = VD+; CL = 50pF))
Parameter
Symbol Min
Typ
Max
Master Clock Frequency
(Note 12) XIN
3
4.000
5
Master Clock Duty Cycle
-
40
-
60
Rise Times
Any Digital Input (Note 13) trise
-
-
1.0
Any Digital Output
-
50
-
Fall Times
Any Digital Input (Note 13) tfall
Any Digital Output
-
-
1.0
-
50
-
Serial Port Timing
Serial Clock Frequency
(Note 12)
OWRS = “0”
OWRS = “1”
SCLK
SCLK
-
500
-
-
1000
-
Serial Clock
Pulse Width High (Note 12)
t1
Pulse Width Low (Note 10)
t2
SCLK falling to New Data Bit
t3
FSO Falling to SCLK Rising Delay
(Note 12)
t4
FSO Pulse Width
(Note 12)
t5
SE Rising to Output Enabled
t6
SE Falling to Output in Tri-state
t7
-
0.5
-
-
0.5
-
-
-
50
-
0.5
-
-
1
-
-
-
50
-
-
50
Notes: 12. Device parameters are specified with a 4.000 MHz clock, OWRS = 1.
13. Specified using 10% and 90% points on wave-form of interest. Output loaded with 50 pF.
Unit
MHz
%
µs
ns
µs
ns
kHz
kHz
SCLK
SCLK
ns
SCLK
SCLK
ns
ns
SDO
SCLK
FSO
MSB(V1) MSB(V1) - 1
t
3
t1 t2
t4
t5
SE
t6
LSB(I3)
t6
Figure 1. Serial Port Timing
6
DS458PP4
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