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WM8728 データシート(PDF) 8 Page - Wolfson Microelectronics plc

部品番号 WM8728
部品情報  24-bit, 192kHz Stereo DAC with Volume Control and DSD Support
PDF  28 Pages
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メーカー  WOLFSON [Wolfson Microelectronics plc]
ホームページ  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8728 データシート(HTML) 8 Page - Wolfson Microelectronics plc

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WM8728
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WOLFSON MICROELECTRONICS LTD
PP Rev 1.2 April 2001
8
DSD AUDIO BIPHASE INTERFACE
MCLK
DIN/LRCIN
D0
D1
D1
D2
D2
t
BCY
t
BCH
t
BCL
t
PH
t
SU
t
HD
t
MCL
t
MCH
t
MCY
BCKIN
Figure 4 Biphase DSD Timing Requirements
Test Conditions
AVDD, DVDD = 5V, AGND = 0V, DGND = 0V, TA = +25
oC, fs = 48kHz, MCLK = 256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Audio Data Input Timing Information
BCKIN cycle time
tBCY
162.8
ns
BCKIN pulse width high
tBCH
80
81.4
ns
BCKIN pulse width low
tBCL
80
81.4
ns
MCLK cycle time
tMCY
325.5
ns
MCLK pulse width high
tMCH
160
162.8
ns
MCLK pulse width low
tMCL
160
162.8
ns
Phase shift between BCKIN
and MCLK
tPH
20
ns
Data setup time to BCKIN
falling edge
tSU
10
ns
Data hold time to BCKIN
rising edge
tHD
10
ns



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