WM8728 Datasheet, PDF (8/28 Pages) Wolfson Microelectronics plc – 24-bit, 192kHz Stereo DAC with Volume Control and DSD Support

WM8728
DSD AUDIO BIPHASE INTERFACE
BCKIN
MCLK
DIN/LRCIN
t_PH
t_BCY
t_BCH
t_BCL
t_MCL
t_SU
t_HD
D0
D1
t_MCH
t_MCY
D1
D2
Product Preview
D2
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
Audio Data Input Timing Information
BCKIN cycle time
tBCY
BCKIN pulse width high
tBCH
BCKIN pulse width low
tBCL
MCLK cycle time
tMCY
MCLK pulse width high
tMCH
MCLK pulse width low
tMCL
Phase shift between BCKIN
tPH
and MCLK
Data setup time to BCKIN
tSU
falling edge
Data hold time to BCKIN
tHD
rising edge
TEST CONDITIONS
MIN
TYP
MAX
162.8
80
81.4
80
81.4
325.5
160
162.8
160
162.8
20
10
10
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
WOLFSON MICROELECTRONICS LTD
PP Rev 1.2 April 2001
8