LC786821E Datasheet, PDF (25/35 Pages) ON Semiconductor – Compressed Audio Signal Processor IC

Parameter
Fs384 Clock Frequency
Fs384 Clock "H" Period
Fs384 Clock "L" Period
Bit Clock Frequency
Bit Clock "H" Period
Bit Clock "L" Period
LRCK Input Set-Up Time
LRCK Input Hold Time
DATA Input Set-Up Time
DATA Input Hold Time
LC786821E
Symbol Signal Names
Min
Typ
Max unit
fFCKI
Fs384ck
20.0 MHz
tFCKIH
Fs384ck
20
ns
tFCKIL
Fs384ck
20
ns
fABCKI
BCK
3.3 MHz
tABKIH
BCK
120
ns
tABKIL
BCK
120
ns
tALRIS LRCK, BCK
30
ns
tALRIH LRCK, BCK
30
ns
tADTIS DATA, BCK
30
ns
tADTIH DATA, BCK
30
ns
- Characteristics of Audio Data Output Timing
tFCKOH
tFCKOL
Fs384ck
(=Fs384 clock)
LRCK
BCK
tDL1
tABKOH tABKOL
tDL2
DATA
tDL3
1/fFCKO
1/fABCKO
Parameter
Fs384 Clock Frequency
Symbol
fFCKO
Signal Names Min
Fs384ck
Fs384 Clock "H" Period
tFCKOH
Fs384ck
Fs384 Clock "L" Period
tFCKOL
Fs384ck
Bit Clock Frequency
fABCKO
BCK
Bit Clock "H" Period
tABKOH
BCK
Bit Clock "L" Period
tABKOL
BCK
LRCK Output Delay Time
tDL1
LRCK, Fs384ck
0
BCK Output Delay Time
tDL2
BCK, Fs384ck
0
DATA Output Delay Time
tDL3
DATA, Fs384ck
0
*1: In the case that output Fs=44.1kHz and slot length of output format 48fs.
Typ
16.9344
*1
29.5
*1
29.5
*1
2.1168
*1
236.2
*1
236.2
*1
Max
50
50
50
unit
MHz
ns
ns
MHz
ns
ns
ns
ns
ns
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