wm8742 Wolfson Microelectronics plc, wm8742 Datasheet - Page 13

• Manufacturer Part Number: wm8742
• Description: 24-bit 192khz Dac With Advanced Digital Filtering
• Manufacturer: Wolfson Microelectronics plc

Production Data
DSD AUDIO INTERFACE TIMINGS
Figure 3 DSD Audio Timing - Normal Mode
Figure 4 DSD Audio Timing - Phase Modulated Mode
Table 3 DSD Audio Interface Timing Requirements
w
Test Conditions
DVDD = 3.3V, GND = 0V, T
PARAMETER
Audio Data Input Timing Information
DSDCLK64 cycle time
DSDCLK64 pulse width high
DSDCLK64 pulse width low
DSD[0:1] set-up time to
DSDCLK64 rising edge
DSD[0:1] hold time from
DSDCLK64 rising edge
Difference in edge timing of
DSD[0:1] to DSDCLK64
DSDCLK64
DSD[0:1]
D[n-1]
A
= +25
SYMBOL
t
t
t
t
64CY
t
o
DHN
t
DSN
64H
64L
DC
C, fs = 44.1kHz, DSDCLK64 = 64fs unless otherwise stated.
t
DC
t
DS
TEST CONDITIONS
D[n]
t
64L
t
64CY
t
t
64H
MIN
140
140
DH
-10
20
20
354.3
TYP
D[n+1]
PD, Rev 4.2, August 2009
MAX
10
WM8742
UNIT
ns
ns
ns
ns
ns
ns
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