參數(shù)資料
型號: XWM8728EDS
廠商: Wolfson Microelectronics
英文描述: 24-bit, 192kHz Stereo DAC with Volume Control and DSD Support
中文描述: 24位,192kHz立體聲DAC,具有音量控制和渠務署支持
文件頁數(shù): 8/28頁
文件大小: 266K
代理商: XWM8728EDS
WM8728
Product Preview
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, T
A
= +25
o
C, fs = 48kHz, MCLK = 256fs unless otherwise stated.
PARAMETER
Audio Data Input Timing Information
BCKIN cycle time
BCKIN pulse width high
BCKIN pulse width low
MCLK cycle time
MCLK pulse width high
MCLK pulse width low
Phase shift between BCKIN
and MCLK
Data setup time to BCKIN
falling edge
Data hold time to BCKIN
rising edge
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
t
BCY
t
BCH
t
BCL
t
MCY
t
MCH
t
MCL
t
PH
162.8
81.4
81.4
325.5
162.8
162.8
ns
ns
ns
ns
ns
ns
ns
80
80
160
160
20
t
SU
10
ns
t
HD
10
ns
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