WM8195 查看數據表（PDF） - Wolfson Microelectronics plc
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WM8195 Datasheet PDF : 33 Pages
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WM8195
Production Data
TABLE OF CONTENTS
DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
BLOCK DIAGRAM .................................................................................................1
TABLE OF CONTENTS .........................................................................................2
PIN CONFIGURATION...........................................................................................3
ORDERING INFORMATION ..................................................................................3
PIN DESCRIPTION ................................................................................................4
ABSOLUTE MAXIMUM RATINGS.........................................................................6
RECOMMENDED OPERATING CONDITIONS .....................................................6
ELECTRICAL CHARACTERISTICS ......................................................................7
INPUT VIDEO SAMPLING............................................................................................... 9
OUTPUT DATA TIMING .................................................................................................. 9
SERIAL INTERFACE ..................................................................................................... 11
PARALLEL INTERFACE......................................................................................12
INTRODUCTION ........................................................................................................... 13
INPUT SAMPLING......................................................................................................... 13
RESET LEVEL CLAMPING (RLC) ................................................................................. 13
CDS/NON-CDS PROCESSING ..................................................................................... 14
OFFSET ADJUST AND PROGRAMMABLE GAIN......................................................... 15
ADC INPUT BLACK LEVEL ADJUST ............................................................................ 16
OVERALL SIGNAL FLOW SUMMARY .......................................................................... 16
CALCULATING OUTPUT FOR ANY GIVEN INPUT ...................................................... 17
OUTPUT FORMATS...................................................................................................... 18
CONTROL INTERFACE ................................................................................................ 19
TIMING REQUIREMENTS............................................................................................. 20
PROGRAMMABLE VSMP DETECT CIRCUIT ............................................................... 21
REFERENCES............................................................................................................... 21
POWER SUPPLY .......................................................................................................... 22
POWER MANAGEMENT ............................................................................................... 22
LINE-BY-LINE OPERATION .......................................................................................... 22
OPERATING MODES .................................................................................................... 24
OPERATING MODE TIMING DIAGRAMS ..................................................................... 25
DEVICE CONFIGURATION .................................................................................27
REGISTER MAP ............................................................................................................ 27
REGISTER MAP DESCRIPTION................................................................................... 28
RECOMMENDED EXTERNAL COMPONENTS ..................................................31
PACKAGE DIMENSIONS ....................................................................................32
IMPORTANT NOTICE ..........................................................................................33
ADDRESS:..................................................................................................................... 33
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PD Rev 4.1 July 2005
2
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