PCM3793A
PCM3794A
www.ti.com
SLAS529A–JANUARY 2007–REVISED FEBRUARY 2007
t(SCY)
50% of VIO
SCKI
LRCK (Output)
BCK (Output)
t(DL)
50% of VIO
50% of VIO
50% of VIO
tw(BCL)
tw(BCH)
t(DB)
t(DB)
t(BCY)
DIN
DOUT
t(DS)
t(DH)
T0011-04
PARAMETERS
MIN
MAX UNIT
t(SCY)
t(DL)
SCKI pulse cycle time
1/(256 fS)(1)
LRCK edge from SCKI rising edge
BCK edge from SCKI rising edge
BCK pulse cycle time
0
40
40
ns
ns
t(DB)
0
1/(64 fS)(1)
146
t(BCY)
tw(BCH) BCK high level time
ns
ns
ns
ns
tw(BCL)
t(DS)
BCK low level time
DATA setup time
DATA hold time
146
10
t(DH)
10
(1) fS is up to 48 kHz. fS is the sampling frequency.
Figure 28. Audio Interface Timing (Master Mode)
25
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