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WM8756 데이터시트(PDF) 10 Page - Wolfson Microelectronics plc

부품명 WM8756
상세설명  192KHZ SIX CHANNEL SACD COMPATIBLE AUDIO DAC
PDF  39 Pages
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제조업체  WOLFSON [Wolfson Microelectronics plc]
홈페이지  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8756 데이터시트(HTML) 10 Page - Wolfson Microelectronics plc

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WM8756
Advance Information
AI Rev 1.3 October 2001
10
DSD AUDIO BIPHASE INTERFACE
DSDCLK128
DSD[0:5]
t
BDCH
t
BDCY128
t
BDS
D(n)
inverse D(n)
t
BDH
DSDCLK64
inverse D(n-1)
t
DIFF
t
BDCL
t
BDCY64
Figure 4 DSD Audio Data Timing - Phase Modulation Mode
Test Conditions
AVDD= DVDD = 5V, AGND= GR= DGND = 0V, TA = +25
oC, fs = 48kHz, SCKI = 256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Audio Data Input Timing Information
DSDCLK64 cycle time
tBDCY64
354.4
ns
DSDCLK128 cycle time
tBDCY128
177.2
ns
DSDCLK128 pulse width
high
tBDCH
80
ns
DSDCLK128 pulse width
low
tBDCL
80
ns
DSD[0:5] set-up time to
DSDCLK128 rising edge
tBDS
10
ns
DSD[0:5] hold time from
DSDCLK128 rising edge
tBDH
10
ns
Difference in edge timing of
DSDCLK64 to DSDCLK128
tDIFF
20
ns
Table 9 DSD Digital Audio Timing



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