Production Data
WM8741
DSD AUDIO INTERFACE TIMINGS
Figure 3 DSD Audio Timing - Normal Mode
Figure 4 DSD Audio Timing - Phase Modulated Mode
Test Conditions
DVDD = 3.3V, GND = 0V, TA = +25oC, fs = 44.1kHz, DSDCLK64 = 64fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Audio Data Input Timing Information
DSDCLK64 cycle time
t64CY
t64H
t64L
354.3
ns
ns
ns
ns
DSDCLK64 pulse width high
DSDCLK64 pulse width low
140
140
20
DSD[0:1] set-up time to
DSDCLK64 rising edge
tDSN
DSD[0:1] hold time from
DSDCLK64 rising edge
tDHN
tDC
20
ns
ns
Difference in edge timing of
DSD[0:1] to DSDCLK64
-10
10
Table 3 DSD Audio Interface Timing Requirements
PD, Rev 4.2, October 2009
13
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