XWM8739SEDS/V 데이터 시트보기 (PDF) - Cirrus Logic
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XWM8739SEDS/V Datasheet PDF : 37 Pages
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WM8739
Production Data
Test Conditions
AVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 3.3V, DGND = 0V, TA = +25oC, Slave Mode, fs = 48kHz, XTI/MCLK = 256fs
unless otherwise stated.
PARAMETER
SYMBOL
Audio Data Input Timing Information
ADCLRC propagation delay
tDL
from BCLK falling edge
ADCDAT propagation delay
tDDA
from BCLK falling edge
TEST CONDITIONS
MIN
TYP
MAX
UNIT
0
10
ns
0
10
ns
BCLK
WM8739
ADC ADCLRC
ADCDAT
DSP
ENCODER
Figure 4 Slave Mode Connection
BCLK
ADCLRC
ADCDAT
tBCH
tBCL
tBCY
tDD
tLRH
tLRSU
Figure 5 Digital Audio Data Timing – Slave Mode
Test Conditions
AVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 3.3V, DGND = 0V, TA = +25oC, Slave Mode, fs = 48kHz, XTI/MCLK = 256fs
unless otherwise stated.
PARAMETER
SYMBOL
Audio Data Input Timing Information
BCLK cycle time
tBCY
BCLK pulse width high
tBCH
BCLK pulse width low
tBCL
ADCLRC set-up time to
BCLK rising edge
tLRSU
ADCLRC hold time from
tLRH
BCLK rising edge
ADCDAT propagation delay
tDD
from BCLK falling edge
TEST CONDITIONS
MIN
TYP
MAX
UNIT
50
ns
20
ns
20
ns
10
ns
10
ns
0
10
ns
w
PD, Rev 4.2, July 2008
10
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