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WM8191 bảng dữ liệu(PDF) 7 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) 7 Page - Wolfson Microelectronics plc

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Advanced Information
WM8191
WOLFSON MICROELECTRONICS LTD
AI Rev 3.1 April 2001
7
INPUT VIDEO SAMPLING
MCLK
VSMP
INPUT
VIDEO
t
PER
t
MCLKH
t
MCLKL
t
VSMPSU
t
VSMPH
t
VSU
t
VH
t
RSU
t
RH
Figure 1 Input Video 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
MCLK period
tPER
83.3
ns
MCLK high period
tMCLKH
37.5
ns
MCLK low period
tMCLKL
37.5
ns
VSMP set-up time
tVSMPSU
10
ns
VSMP hold time
tVSMPH
5ns
Video level set-up time
tVSU
15
ns
Video level hold time
tVH
5ns
Reset level set-up time
tRSU
15
ns
Reset level hold time
tRH
5ns
Notes: 1.
tVSU and tRSU denote the set-up time required after the input video signal has settled.
2.
Parameters are measured at 50% of the rising/falling edge.
OUTPUT DATA TIMING
MCLK
OP[13:0]
t
PD
Figure 2 Output Data Timing



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