WM8146 Wolfson Microelectronics Ltd., WM8146 Datasheet - Page 5

• Manufacturer Part Number: WM8146
• Description: 12-bit ( 8+4-bit ) Linear Sensor Image Processor
• Manufacturer: Wolfson Microelectronics Ltd.

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INPUT VIDEO SAMPLING
Figure 1 Input Video Timing
Test Conditions
AVDD = DVDD1 = DVDD2 = 4.75 to 5.25V, AGND = DGND = 0V, T
Notes: 1.
OUTPUT DATA TIMING
Figure 2 Output Data Timing
WOLFSON MICROELECTRONICS LTD
Test Conditions
AVDD = DVDD1 = DVDD2 =4.75 to 5.25V, AGND = DGND = 0V, T
PARAMETER
PARAMETER
MCLK period
MCLK high period
MCLK low 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
Supply Currents
Total supply current
Supply current
mode
VIDEO
INPUT
MCLK
VSMP
OP[7:0]
2.
MCLK
t
Parameters are measured at 50% of the rising/falling edge.
VSU
and t
full power down
RSU
active
denote the set-up time required after the input video signal has settled.
t
VSMPSU
t
PER
SYMBOL
SYMBOL
t
t
VSMPSU
t
t
VSMPH
MCLKH
MCLKL
t
t
t
t
t
PER
VSU
RSU
VH
RH
t
t
VSMPH
MCLKH
t
MCLKL
t
TEST CONDITIONS
VSU
t
CONDITIONS
PD
TEST
t
VH
A
A
= 0 to 70 C, MCLK = 12MHz unless otherwise stated
= 0 to 70 C, MCLK = 12MHz unless otherwise stated.
83.3
37.5
37.5
MIN
10
10
10
15
10
15
MIN
t
RSU
TYP
TYP
35
5
t
RH
PP Rev 1.1 January 2000
MAX
MAX
WM8146
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT
mA
mA
5