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WM8191 bảng dữ liệu(PDF) 8 Page - Wolfson Microelectronics plc

tên linh kiện WM8191
Giải thích chi tiết về linh kiện  14-bit 6MSPS CIS/CCD Analogue Front End/Digitiser
PDF  27 Pages
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nhà sản xuất  WOLFSON [Wolfson Microelectronics plc]
Trang chủ  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8191 bảng dữ liệu(HTML) 8 Page - Wolfson Microelectronics plc

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WM8191
Advanced Information
WOLFSON MICROELECTRONICS LTD
AI Rev 3.1 April 2001
8
OEB
OP[13:0]
t
PZE
Hi-Z
t
PEZ
Hi-Z
Figure 3 Output Data Enable Timing
Test Conditions
AVDD1 = AVDD2 = DVDD1 = 4.75 to 5.25V, DVDD2 = DVDD3 = 2.97 to 3.63V, AGND = DGND = 0V, TA = 0 to 70
°C,
MCLK = 12MHz unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Output propagation delay
tPD
IOH = 1mA, IOL = 1mA
75
ns
Output enable time
tPZE
50
ns
Output disable time
tPEZ
25
ns
SERIAL INTERFACE
Figure 4 Serial Interface Timing
Test Conditions
AVDD1 = AVDD2 = DVDD1 = 4.75 to 5.25V, DVDD2 = DVDD3 = 2.97 to 3.63V, AGND = DGND = 0V, TA = 0 to 70
°C,
MCLK = 12MHz unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
SCK period
tSPER
83.3
ns
SCK high
tSCKH
37.5
ns
SCK low
tSCKL
37.5
ns
SDI set-up time
tSSU
10
ns
SDI hold time
tSH
10
ns
SCK to SEN set-up time
tSCE
20
ns
SEN to SCK set-up time
tSEC
20
ns
SEN pulse width
tSEW
50
ns
SEN low to SDO = Register data
tSERD
35
ns
SCK low to SDO = Register data
tSCRD
35
ns
SCK low to SDO = ADC data
tSCADC
25
ns
Note:
Parameters are measured at 50% of the rising/falling edge.
SCK
SDI
SEN
SDO
t
SPER
t
SCKL
t
SCKH
t
SSU
t
SH
t
SCE
t
SEW
t
SEC
t
SERD
t
SCRD
MSB
LSB
t
SCRDZ
ADC DATA
ADC
DATA
REGISTER DATA



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