SM5903CF Ver la hoja de datos (PDF) - Nippon Precision Circuits
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SM5903CF Datasheet PDF : 31 Pages
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SM5903CF
AC characteristics
Standard voltage: VDD1 = VDD2 = 4.5 to 5.5 V, VSS = 0 V, Ta = -40 to 85 ˚C
(*) Typical values are for fs = 44.1 kHz
System clock (CLK pin)
Parameter
Clock pulsewidth (HIGH level)
Clock pulsewidth (LOW level)
Clock pulse cycle
Symbol
tCWH
tCWL
tCY
Condition
System clock
384fs
Rating
Unit
Min
Typ
Max
26
29.5
125
ns
26
29.5
125
ns
58
59
250
ns
System clock input
CLK
t CWH
t CY
t CWL
0.5VDD
Serial input (YSRDATA, YLRCK, YSCK pins)
Parameter
Symbol
Rating
Unit
Condition
YSCK pulsewidth (HIGH level)
YSCK pulsewidth (LOW level)
YSCK pulse cycle
YSRDATA setup time
YSRDATA hold time
Last YSCK rising edge to YLRCK edge
YLRCK edge to first YSCK rising edge
Min
Typ
Max
tBCWH
75
ns
tBCWL
75
ns
tBCY
150
ns
tDS
50
ns
tDH
50
ns
tBL
50
ns
tLB
50
ns
0
3fs
Memory system ON
YLRCK pulse frequency
(MSON=H)
See note below.
fs
fs
Memory system OFF
(MSON=L)
Note. When the memory system is OFF (through mode), the input data rate is synchronized to the system clock input (384fs), so input
data needs to be at 1/384 of this frequency. But, this IC can tolerate a certain amount of jitter. For details, refer to Through-mode
operation.
t BCWH
t BCY
t BCWL
YSCK
0.5VDD
YSRDATA
t DS
t DH
0.5VDD
YLRCK
t BL
t LB
0.5VDD
NIPPON PRECISION CIRCUITS-6
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