WM8141 查看數據表（PDF） - Wolfson Microelectronics plc
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WM8141 Datasheet PDF : 31 Pages
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Production Data
WM8141
OEB
OP[11:0]
tPZE
Hi-Z
tPEZ
Hi-Z
Figure 3 Output Data Enable Timing
Test Conditions
AVDD = DVDD1 = DVDD2 = 4.75 to 5.25V, AGND = DGND = 0V, TA = 0 to 70°C, MCLK = 12MHz unless otherwise stated
PARAMETER
Output propagation delay
Output enable time
Output disable time
SYMBOL
tPD
tPZE
tPEZ
TEST CONDITIONS
IOH = 1mA, IOL = 1mA
MIN
TYP
MAX
UNITS
75
ns
50
ns
25
ns
SERIAL INTERFACE
SCK
SDI
tSPER
tSSU
tSH
SEN
SDO
tSCKL tSCKH
tSCE
tSEW tSEC
tSESD
tSCSD
MSB
tSCSDZ
LSB
Figure 4 Serial Interface Timing
Test Conditions
AVDD = DVDD1 = DVDD2 = 4.75 to 5.25V, AGND = DGND = 0V, TA = 0 to 70°C, MCLK = 12MHz unless otherwise stated
PARAMETER
SCK period
SYMBOL
tSPER
TEST CONDITIONS
SCK high
tSCKH
SCK low
tSCKL
SDI set-up time
tSSU
SDI hold time
tSH
SCK to SEN set-up time
tSCE
SEN to SCK set-up time
tSEC
SEN pulse width
tSEW
SEN low to SDO out
tSESD
SCK low to SDO out
tSCSD
SCK low to SDO high impedance
tSCSDZ
Note: Parameters are measured at 50% of the rising/falling edge.
WOLFSON MICROELECTRONICS LTD
MIN
83.3
37.5
37.5
10
10
20
20
50
TYP
MAX
35
35
25
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
PD Rev 3.0 October 2000
9
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