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WM8742GEDS/RV 数据表(PDF) 13 Page - Cirrus Logic

部件名 WM8742GEDS/RV
功能描述  24-bit 192 kHz DAC with Advanced Digital Filtering
PDF  66 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

WM8742GEDS/RV 数据表(HTML) 13 Page - Cirrus Logic

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WM8742
Rev 4.4
13
DSD AUDIO INTERFACE TIMING
DSDCLK64
DSD[0:1]
D[n]
D[n-1]
t
DH
D[n+1]
t
64CY
t
64L
t
64H
t
DS
t
DC
Figure 3 DSD Audio Timing - Normal Mode
DSDCLK64
DSD[0:1]
D[n-1]
D[n]
D[n]
D[n+1]
t64CY
tDC
t64L
Figure 4 DSD Audio Timing - Phase Modulated Mode
Test Conditions
DVDD = 3.3V, GND = 0V, TA = +25
oC, 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
354.3
ns
DSDCLK64 pulse width high
t64H
140
ns
DSDCLK64 pulse width low
t64L
140
ns
DSD[0:1] set-up time to
DSDCLK64 rising edge
tDSN
20
ns
DSD[0:1] hold time from
DSDCLK64 rising edge
tDHN
20
ns
Difference in edge timing of
DSD[0:1] to DSDCLK64
tDC
-10
10
ns
Table 3 DSD Audio Interface Timing Requirements



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