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WM8181 Datasheet(PDF) 6 Page - Wolfson Microelectronics plc

Part # WM8181
Description  12-bit 2MSPS Serial Output CIS/CCD Digitiser
PDF  14 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8181 Datasheet(HTML) 6 Page - Wolfson Microelectronics plc

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WM8181
Advanced Information
WOLFSON MICROELECTRONICS LTD
AI Rev 3.0 January 2000
6
MCLK
VSMP
DOUT
DON'T CARE
64 MCLK Rising Edges
t
PZD
Hi-Z
t
PZE
t
PD
Hi-Z
Figure 2 Power Down/Power Up
TEST CHARACTERISTICS
AVDD = DVDD = 2.97 to 3.63V and 4.5 to 5.5V, AGND1 = AGND2 = DGND = 0V, TA = 0 to 70
°C, MCLK = 24MHz
unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VSMP to DOUT enabled
tPZE
10
ns
VSMP to DOUT enabled
tPZE
AVDD = DVDD = 3.3V
10
ns
MCLK to DOUT disabled
tPZD
10
ns
MCLK to DOUT disabled
tPZD
AVDD = DVDD = 3.3V
10
ns
MCLK to DOUT
propagation delay
tPD
10
ns
MCLK to DOUT
propagation delay
tPD
AVDD = DVDD = 3.3V
15
ns
Note:
Parameters are measured at 50% of the rising/falling edge.
MCLK
VSMP
INPUT
VIDEO
(CCD)
t
VSU
t
VH
VIDEO
(CIS)
Figure 3 Input Video Timing
TEST CHARACTERISTICS
AVDD = DVDD = 2.97 to 3.63V and 4.5 to 5.5V, AGND1 = AGND2 = DGND = 0V, TA = 0 to 70
°C, MCLK = 24MHz
unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input video set-up time
tVSU
10
ns
Input video hold time
tVH
20
ns
Notes: 1.
tVSU and tRSU denote the set-up time required from when the input video signal has settled.
2.
Parameters are measured at 50% of the rising/falling edge.



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