WM8802SCFT 查看數據表（PDF） - Wolfson Microelectronics plc
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WM8802SCFT Datasheet PDF : 65 Pages
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WM8802
AC CHARACTERISTICS
Test Conditions
AC Characteristics at Ta = 25oC, AVDD = DVDD = 3.3V, AGND = DGND = 0V
PARAMETER
SYMBOL TEST CONDITIONS
MIN
RX0 TO RX6 sampling
frequency
fRFS
28
XIN clock frequency
fXF1
1
8
XIN clock frequency
fXF2
2
20
RMCK clock frequency
fRCK
4
RMCK clock jitter
tj
−
RMCK, RBCK delay
tMBO
−
RBCK, RDATA delay
RMCK, SBC delay
tBDO
−
tMBO
3
−
SMCK, RDATA delay
tBDO
4
−
TMCK input pulse width
tWMI
10
TBCK input pulse width
tWBI
40
TLRCK sampling frequency
fTFS
28
TBCK, TDATA setup
tDSI
−
TBCK, TDATA hold
tDHI
−
TMCK, TBCK delay
tMBI
−
TBCK, TDATA delay
tBDI
−
Notes:
TYP
−
12.288
24.576
−
200
−
−
−
−
−
−
−
20
20
−
−
1.
XINSEL = "0" setting, 12.288MHz must be set when calculating input sampling frequency
2.
XINSEL = "1" setting, 24.576MHz must be set when calculating input sampling frequency
3.
When RMCK and SBCK source clocks are the same
4.
When SBCK is the PLL source clock
Product Preview
MAX
195
19
30
100
−
10
10
10
10
−
−
195
−
−
10
10
UNIT
kHz
MHz
MHz
MHz
ps
ns
ns
ns
ns
ns
ns
kHz
ns
ns
ns
ns
RMCK(O)
RBCK(O)
RDATA(O)
RLRCK(O)
TMCK (I)
TBCK(I)
TDATA(I)
TLRCK(I)
tWBI
tWBI
Figure 1 AC Characteristics
w
tMBO
tBDO
tWMI tWMI
tDSI
tMBI
tDHI
tBDI
PP Rev 1.1 April 2004
8
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