參數(shù)資料
型號(hào): WM8728
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(wù)署支持
文件頁數(shù): 6/28頁
文件大?。?/td> 266K
代理商: WM8728
WM8728
Product Preview
WOLFSON MICROELECTRONICS LTD
PP Rev 1.2 April 2001
6
MASTER CLOCK TIMING
MCLK
t
MCLKL
t
MCLKH
t
MCLKY
Figure 1 Master Clock Timing Requirements
Test Conditions
AVDD, DVDD = 5V, AGND = 0V, DGND = 0V, T
A
= +25
o
C, fs = 48kHz, MCLK = 256fs unless otherwise stated.
PARAMETER
Master Clock Timing Information
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
MCLK Master clock pulse width high
t
MCLKH
t
MCLKL
t
MCLKY
13
13
26
ns
ns
ns
MCLK Master clock pulse width low
MCLK Master clock cycle time
MCLK Duty cycle
40:60
60:40
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
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
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
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
t
BCY
t
BCH
t
BCL
t
LRSU
40
16
16
8
ns
ns
ns
ns
t
LRH
8
ns
t
DS
8
ns
t
DH
8
ns
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