參數(shù)資料
型號: WM8756EFT
廠商: Wolfson Microelectronics
英文描述: 192KHZ SIX CHANNEL SACD COMPATIBLE AUDIO DAC
中文描述: 192kHz的六聲道SACD的兼容的音頻數(shù)模轉(zhuǎn)換器
文件頁數(shù): 8/39頁
文件大小: 330K
代理商: WM8756EFT
WM8756
Advance Information
AI Rev 1.3 October 2001
8
MASTER CLOCK TIMING
SCKI
t
SCKIL
t
SCKIH
t
SCKIY
Figure 1 Master Clock Timing Requirements
Test Conditions
AVDD = DVDD = 5V, AGND = GR = DGND = 0V, T
A
= +25
o
C, fs = 48kHz, SCKI = 256fs unless otherwise stated.
PARAMETER
System Clock Timing Information
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SCKI System clock pulse width high
t
SCKIH
t
SCKIL
t
SCKIY
13
13
26
ns
ns
ns
SCKI System clock pulse width low
SCKI System clock cycle time
SCKI Duty cycle
40:60
60:40
Table 6 Master Clock Timing Requirements
DIGITAL AUDIO INTERFACE TIMING
BCKIN
DIN0/1/2
LRCIN
t
BCH
t
BCL
t
BL
t
LB
t
BCY
t
DS
t
DH
Figure 2
PCM Digital Audio Data Timing
Test Conditions
AVDD = DVDD = 5V, AGND = GR = DGND = 0V, T
A
= +25
o
C, fs = 48kHz, SCKI = 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
DIN0/1/2 set-up time to
BCKIN rising edge
DIN0/1/2 hold time from
BCKIN rising edge
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
t
BCY
t
BCH
t
BCL
t
LB
40
16
16
8
ns
ns
ns
ns
t
BL
8
ns
t
DS
8
ns
t
DH
8
ns
Table 7 PCM Digital Audio Timing
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