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WM8761 датащи(PDF) 8 Page - Wolfson Microelectronics plc

номер детали WM8761
подробное описание детали  24BIT 192KHZ STEREO DAC
PDF  20 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8761 датащи(HTML) 8 Page - Wolfson Microelectronics plc

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WM8761
Production Data
w
PD Rev 4.0 May 2004
8
MASTER CLOCK TIMING
MCLK
t
MCLKL
t
MCLKH
t
MCLKY
Figure 1 Master Clock Timing Requirements
Test Conditions
VDD = 5V, GND = 0V, TA = +25
oC, fs = 48kHz, MCLK = 256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
System Clock Timing Information
MCLK Master clock pulse width high
tMCLKH
8
ns
MCLK Master clock pulse width low
tMCLKL
8
ns
MCLK Master clock cycle time
tMCLKY
20
ns
MCLK Duty cycle
40:60
60:40
Time from MCLK stopping to power
down.
1.5
12
µs
DIGITAL AUDIO INTERFACE
BCKIN
LRCIN
t
BCH
t
BCL
t
BCY
DIN
t
LRSU
t
DS
t
LRH
t
DH
Figure 2 Digital Audio Data Timing
Test Conditions
VDD = 5V, GND = 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
40
ns
BCKIN pulse width high
tBCH
16
ns
BCKIN pulse width low
tBCL
16
ns
LRCIN set-up time to
BCKIN rising edge
tLRSU
8
ns
LRCIN hold time from
BCKIN rising edge
tLRH
8
ns
DIN set-up time to BCKIN
rising edge
tDS
8
ns
DIN hold time from BCKIN
rising edge
tDH
8
ns



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