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WM8148 Folha de dados(PDF) 12 Page - Wolfson Microelectronics plc

Nome de Peças WM8148
Descrição Electrónicos  12-bit/12MSPS CCD/CIS Analogue Front End/Digitiser
PDF  43 Pages
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Fabricante Electrônico  WOLFSON [Wolfson Microelectronics plc]
Página de início  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8148 Folha de dados(HTML) 12 Page - Wolfson Microelectronics plc

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WM8148
Production Data
WOLFSON MICROELECTRONICS LTD
PD Rev 4.0 April 1999
12
PARALLEL INTERFACE
STB
DNA
RNW
D[11:4]
Z
Z
DATA IN
ADDRESS IN
ADC DATA OUT
ADC DATA OUT
DATA OUT
ADC DATA OUT
t
STB
t
ASU
t
AH
t
DSU
t
DH
t
STDO
t
STAO
t
ADLS
t
ADLH
t
ADHS
t
ADHH
t
OPD
t
OPZ
Figure 8 Parallel Interface Timing
TEST CONDITIONS
AVDD = 4.75 to 5.25V, DVDD1 and DVDD2 = 2.97 to 5.25V, AGND = DGND = 0V, TA = 0 to 70
°C, MCLK = 48MHz unless
otherwise stated (AVDD denotes the voltage applied to all AVDD pins).
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
RNW Low to OP[11:4] Hi-Z.
tOPZ
20
ns
Address set-up time to STB Low
tASU
10
ns
DNA Low set-up time to STB Low
tADLS
10
ns
Strobe Low time
tSTB
50
ns
Address hold time from STB High
tAH
10
ns
DNA Low hold time from STB High
tADLH
10
ns
Data set-up time to STB Low
tDSU
10
ns
DNA High set-up time to STB Low
tADHS
10
ns
Data hold time from STB High
tDH
10
ns
Data High hold time from STB High
tADHH
10
ns
RNW High to OP[11:4] output
tOPD
35
ns
Data output propagation delay from
STB Low
tSTDO
35
ns
ADC data out propagation delay
from STB High
tSTAO
35
ns
Note:
Parameters are measured at 50% of the rising/falling edge.



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