WM8726 Wolfson Microelectronics plc, WM8726 Datasheet - Page 8
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WM8726
Manufacturer Part Number
WM8726
Description
24-bit 192khz Stereo Dac
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8726.pdf
(22 pages)
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WM8726
MASTER CLOCK TIMING
Figure 1 Master Clock Timing Requirements
DIGITAL AUDIO INTERFACE
Figure 2 Digital Audio Data Timing
w
Test Conditions
VDD = 5V, GND = 0V, T
PARAMETER
System Clock Timing Information
MCLK Master clock pulse width high
MCLK Master clock pulse width low
MCLK Master clock cycle time
MCLK Duty cycle
Time from MCLK stopping to power
down.
Test Conditions
VDD = 5V, GND = 0V, T
PARAMETER
Audio Data Input Timing Information
BCKIN cycle time
BCKIN pulse width high
BCKIN pulse width low
LRCIN set-up time to
BCKIN rising edge
LRCIN hold time from
BCKIN rising edge
DIN set-up time to BCKIN
rising edge
DIN hold time from BCKIN
rising edge
MCLK
BCKIN
LRCIN
DIN
A
A
= +25
= +25
SYMBOL
o
o
C, fs = 48kHz, MCLK = 256fs unless otherwise stated.
C, fs = 48kHz, MCLK = 256fs unless otherwise stated.
t
t
t
t
t
LRSU
BCH
t
t
BCY
BCL
LRH
DS
DH
SYMBOL
t
BCH
t
t
t
MCLKH
MCLKL
MCLKY
t
BCY
t
MCLKL
t
MCLKY
TEST CONDITIONS
t
t
BCL
TEST CONDITIONS
DS
t
MCLKH
t
LRH
t
DH
t
LRSU
40:60
MIN
MIN
1.5
20
40
16
16
8
8
8
8
8
8
TYP
TYP
PD Rev 4.6 May 2008
60:40
MAX
MAX
12
Production Data
UNIT
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
8