WM8253SCDS/V Wolfson Microelectronics Ltd., WM8253SCDS/V Datasheet - Page 8

• Manufacturer Part Number: WM8253SCDS/V
• Description: Specifications: Manufacturer: Wolfson Microelectronics ; Product Category: ADC (A/D Converters) ; RoHS: Details ; Number of Converters: 1 ; Number of ADC Inputs: 1 ; Conversion Rate: 6 MSPs ; Resolution: 16 bit ; Input Type: Voltage ; Interface
• Manufacturer: Wolfson Microelectronics Ltd.

WM8253
INPUT VIDEO SAMPLING
Figure 1 Input Video Timing
Note:
1.
Test Conditions
AVDD = DVDD1 = DVDD2 = 3.3V, AGND = DGND = 0V, T
Notes:
1.
2.
OUTPUT DATA TIMING
Figure 2 Output Data Timing
w
PARAMETER
MCLK period
MCLK high period
MCLK low period
VSMP period
VSMP set-up time
VSMP hold time
Video level set-up time
Video level hold time
Reset level set-up time
Reset level hold time
VIDEO
INPUT
MCLK
VSMP
See Page 15 (Programmable VSMP Detect Circuit) for video sampling description.
OP[3:0]
t
Parameters are measured at 50% of the rising/falling edge.
VSU
MCLK
and t
RSU
denote the set-up time required after the input video signal has settled.
t
VSMPSU
t
PER
SYMBOL
t
t
t
t
VSMPSU
MCLKH
t
VSMPH
MCLKL
t
t
t
VPER
t
t
PER
VSU
RSU
VH
RH
t
t
MCLKH
VSMPH
t
MCLKL
t
A
TEST CONDITIONS
VSU
t
= 25C, MCLK = 36MHz unless otherwise stated.
PD
t
VH
t
VPER
13.85
13.85
27.7
300
MIN
t
10
10
PD
6
3
3
3
t
t
RSU
RSU
TYP
t
PD, Rev 4.1, August 2011
RH
1000
MAX
Production Data
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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